859:
58:
1022:
1096:. Avian and pig influenza viruses can, on rare occasions, transmit to humans and cause zoonotic influenza virus infections; these infections are usually confined to people who have been in close contact with infected animals or material such as infected feces and meat, they do not spread to other humans. Symptoms of these infections in humans vary greatly; some are in asymptomatic or mild while others can cause severe disease, leading to severe pneumonia and death. A wide range of Influenza A virus subtypes have been found to cause zoonotic disease.
354:
79:
44:
1186:
888:
498:
269:" designates an IAV subtype that has a type-1 hemagglutinin (H) protein and a type-1 neuraminidase (N) protein. Almost all possible combinations of H (1 thru 16) and N (1 thru 11) have been isolated from wild birds. Further variations exist within the subtypes and can lead to very significant differences in the virus's ability to infect and cause disease, as well as to the severity of symptoms.
7206:
7194:
1325:
strain has evolved from an equine influenza avian virus which has adapted to sustained transmission among dogs. The H3N2 strain is derived from an avian influenza which jumped to dogs in 2004 in either Korea or China. It is likely that the virus persists in both animal shelters and kennels, as well as in farms where dogs are raised for meat production.
845:, takes place in the nucleus and involves two steps. The RdRp first of all transcribes the negative-sense viral genome into a positive-sense complimentary RNA (cRNA), then the cRNAs are used as templates to transcribe new negative-sense vRNA copies. These are exported from the nucleus and assemble near the cell membrane to form the core of new virions.
1394:
Stream 3. Minimizing the impact of pandemic, zoonotic, and seasonal epidemic influenza. This is principally concerned with vaccination - improving the effectiveness of vaccines, vaccine technology, as well as the speed with which an effective vaccine can be developed and ways in which vaccines can be
1371:
Influenza research includes efforts to understand how influenza viruses enter hosts, the relationship between influenza viruses and bacteria, how influenza symptoms progress, and why some influenza viruses are deadlier than others. Past pandemics, and especially the 1918 pandemic, are the subject of
1137:
As of June 2024, the influenza viruses which circulate widely in humans are IAV subtypes H1N1 and H2N3, together with
Influenza B. Annual vaccination is the primary and most effective way to prevent influenza and influenza-associated complications, especially for high-risk groups. Vaccines against
1390:
Stream 2. Limiting the spread of pandemic, zoonotic and seasonal epidemic influenza. This is more broadly targeted at both pandemic and seasonal influenza, looking at the transmission of the virus between people and the ways in which it can spread globally, as well as the environmental and social
1324:
Most animals infected with canine influenza A will show symptoms such as coughing, runny nose, fever, lethargy, eye discharge, and a reduced appetite lasting anywhere from 2–3 weeks. There are two different influenza A dog flu viruses: one is an H3N8 virus and the other is an H3N2 virus. The H3N8
1290:
Signs of swine flu in pigs can include fever, depression, coughing (barking), discharge from the nose or eyes, sneezing, breathing difficulties, eye redness or inflammation, and going off feed. Some pigs infected with influenza, however, may show no signs of illness at all. Swine flu subtypes are
1248:
Because of the impact of avian influenza on economically important chicken farms, avian virus strains are classified as either highly pathogenic (and therefore potentially requiring vigorous control measures) or low pathogenic. The test for this is based solely on the effect on chickens - a virus
1239:
of a large variety of influenza A viruses, which they can spread over large distances in their annual migration. Symptoms of avian influenza vary according to both the strain of virus underlying the infection, and on the species of bird affected. Symptoms of influenza in birds may include swollen
872:
The predominant natural reservoir of influenza viruses is thought to be wild waterfowl. The subtypes of influenza A virus are estimated to have diverged 2,000 years ago. Influenza viruses A and B are estimated to have diverged from a single ancestor around 4,000 years ago, while the ancestor of
387:
By definition, the subtyping scheme only takes into account the two outer proteins, not the at least 8 proteins internal to the virus. Almost all possible combinations of H (1 thru 16) and N (1 thru 11) have been isolated from wild birds. H17 and H18 have only been discovered in bats.
969:
in hosts who become infected with two different strains of influenza viruses at the same time. With reassortment between strains, an avian strain which does not affect humans may acquire characteristics from a different strain which enable it to infect and pass between humans - a
1309:
of one to three days. Clinical signs of equine influenza include fever, nasal discharge, have a dry, hacking cough, depression, loss of appetite and weakness. EI is caused by two subtypes of influenza A viruses: H7N7 and H3N8, which have evolved from avian influenza A viruses.
315:
with the aim to inform development of both seasonal and pandemic vaccines. Several millions of specimens are tested by the GISRS network annually through a network of laboratories in 127 countries. As well as human viruses, GISRS monitors avian, swine, and other potentially
1002:
with influenza control information and to inform vaccine development. Several millions of specimens are tested by the GISRS network annually through a network of laboratories in 127 countries. As well as human viruses, GISRS monitors avian, swine, and other potentially
907:", which was caused by a H2N2 subtype of the virus in which the genome segments coding for HA and NA appeared to have derived from avian influenza strains by reassortment, while the remainder of the genome was descended from the 1918 virus. The 1968 pandemic ("
1138:
the flu are trivalent or quadrivalent, providing protection against the dominant strains of IAV(H1N1) and IAV(H3N2), and one or two influenza B virus strains; the formulation is continually reviewed in order to match the predominant strains in circulation.
1398:
Stream 4. Optimizing the treatment of patients. This stream aims to reduce the impact of influenza by looking at methods of treatment, vulnerable groups, genetic predispositions, the interaction of influenza infection with other diseases, and influenza
296:, usually as a result of close contact with infected animals; symptoms range from mild to severe including death. Bird-adapted strains of the virus can be asymptomatic in some aquatic birds but lethal if they spread to other species, such as chickens.
525:
Core - The central core of the virion contains the viral RNA genome, which is made of eight separate segments. The nucleoprotein (NP) coats the viral RNA to form a ribonucleoprotein that assumes a helical (spiral) configuration. Three large proteins
1201:. The onset of symptoms is sudden, and initial symptoms are predominately non-specific: a sudden fever; muscle aches; cough; fatigue; sore throat; headache; difficulty sleeping; loss of appetite; diarrhoea or abdominal pain; nausea and vomiting.
1060:
Days are shorter during the winter, and lack of sunlight leads to low levels of vitamin D and melatonin, both of which require sunlight for their generation. This compromises our immune systems, which in turn decreases ability to fight the
384:" designates an influenza A subtype that has a type-5 hemagglutinin (H) protein and a type-1 neuraminidase (N) protein. Further variations exist within the subtypes and can lead to very significant differences in the virus's behavior.
978:
among humans since the 1900s originated from strains circulating in wild aquatic birds through reassortment with other influenza strains. It is possible (though not certain) that pigs may act as an intermediate host for reassortment.
932:
Influenza A virus continues to circulate and evolve in birds and pigs. Almost all possible combinations of H (1 thru 16) and N (1 thru 11) have been isolated from wild birds. As of June 2024, two particularly virulent IAV strains -
1406:
Stream 5. Promoting the development and application of modern public health tools. Aiming to improve the ways in which public policy can combat influenza; this includes the introduction of new technologies, epidemic and pandemic
1291:
principally H1N1, H1N2, and H3N2; it is spread either through close contact between animals or by the movement of contaminated equipment between farms. Humans who are in close contact with pigs can sometimes become infected.
548:
consists of a lipid bilayer derived from the host cell. Two viral proteins; hemagglutinin (HA) and neuraminidase (NA), are inserted into the envelope and are exposed as spikes on the surface of the virion. Both proteins are
561:
The table below presents a concise summary of the influenza genome and the principal functions of the proteins which are encoded. Segments are conventionally numbered from 1 to 8 in descending order of length.
553:; a host's immune system can react to them and produce antibodies in response. The M2 protein forms an ion channel in the envelope and is responsible for uncoating the virion once it has bound to a host cell.
1144:- it is possible to vaccinate poultry and pigs against specific strains of influenza. Vaccination should be combined with other control measures such as infection monitoring, early detection and biosecurity.
1042:. The season occurs during the cold half of the year in temperate regions; November through February in the northern hemisphere and May to October in the southern hemisphere. Flu seasons also exist in the
901:", which caused an estimated 20 to 50 million deaths worldwide. It is now known that this was caused by an immunologically novel H1N1 subtype of influenza A. The next pandemic took place in 1957, the "
1383:
Stream 1. Reducing the risk of emergence of pandemic influenza. This stream is entirely focused on preventing and limiting pandemic influenza; this includes research into what characteristics make a
1387:
either mild or deadly, worldwide surveillance of influenza A viruses with pandemic potential, and the prevention and management of potentially zoonotic influenza in domestic and farmed animals.
923:) which was antigenically very different from previous H1N1 strains, leading to a pandemic in 2009. Because of its close resemblance to some strains circulating in pigs, this became known as "
4456:
1099:
Zoonotic infections can be prevented by good hygiene, by preventing farmed animals from coming into contact with wild animals, and by using appropriate personal protective equipment.
880:
in 142 BCE. The historian
Fujikawa listed 46 epidemics of flu-like illness in Japan between 862 and 1868. In Europe and the Americas, a number of epidemics were recorded through the
5388:
5383:
1057:
During the winter, people spend more time indoors with the windows sealed, so they are more likely to breathe the same air as someone who has the flu and thus contract the virus.
1212:, usually as a result of close contact with infected animals or contaminated material; symptoms generally resemble seasonal flu but occasionally can be severe including death.
768:
in the viral envelope, which is activated once a virion has bound to a host cell. This uncoats the virus, exposing its infective contents to the cytoplasm of the host cell
237:
in humans. Mammals in which different strains of IAV circulate with sustained transmission are bats, pigs, horses and dogs; other mammals can occasionally become infected.
831:
for the transcription of positive-sense viral mRNA using the negative-sense viral RNA as a template. The host cell then transports the viral mRNA into the cytoplasm where
711:
At a later stage of infection, newly manufactured viral RNA segments assemble with the NP protein and polymerase (PB1, PB2 and PA) to form the core of a progeny virion
1050:, with variability from region to region. Annually, about 3 to 5 million cases of severe illness and 290,000 to 650,000 deaths from seasonal flu occur worldwide.
321:
3466:
2033:
914:) was caused by a H3N2 subtype in which the NA segment was derived from the 1957 virus, while the HA segment had been reassorted from an avian strain of influenza.
6769:
380:, there are 18 known types of hemagglutinin and 11 types of neuraminidase. Subtypes of IAV are classified by their combination of H and N proteins. For example, "
1257:) if 75% or more of chickens die after being deliberately infected with it, or if it is genetically similar to such a strain. The alternative classification is
396:
Due to the high variability of the virus, subtyping is not sufficient to uniquely identify a strain of influenza A virus. To unambiguously describe a specific
4617:
3965:
2422:
5543:
1951:
258:
the virus can evolve to acquire new characteristics, enabling it to evade host immunity and occasionally to jump from one species of host to another.
6192:
989:
308:
4791:
5784:
7308:
5049:
The threat of pandemic influenza : are we ready? : workshop summary / prepared for Forum on
Microbial Threats, Board on Global Health
873:
influenza viruses A and B and the ancestor of influenza virus C are estimated to have diverged from a common ancestor around 8,000 years ago.
7321:
6783:
2160:
1408:
1158:
The main treatment for mild influenza is supportive; rest, fluids, and over-the-counter medicines to alleviate symptoms while the body's own
4464:
792:
Cooperates with the M1 protein to mediate the export of viral RNA copies from nucleus into cytoplasm in the late stage of viral replication
3305:
Figure 1 shows a diagramatic representation of the genetic relatedness of Asian H5N1 hemagglutinin genes from various isolates of the virus
3088:
3032:
5002:
Beigel JH, Farrar J, Han AM, Hayden FG, Hyer R, de Jong MD, et al. (September 2005). "Avian influenza A (H5N1) infection in humans".
3684:
1925:
858:
6449:
6280:
4961:
4107:
4075:
2156:
1276:
requires all detections of LPAI H5 and H7 subtypes to be reported because of their potential to mutate into highly pathogenic strains.
522:) is 80–120 nanometers in diameter such that the smallest virions adopt an elliptical shape; larger virions have a filamentous shape.
6320:
5833:
1305:
Equine influenza can affect horses, donkeys, and mules; it has a very high rate of transmission among horses, and a relatively short
619:
7295:
1102:
As of June 2024, there is concern about two subtypes of avian influenza which are circulating in wild bird populations worldwide,
684:
Part of the viral envelope, a protein that binds the virion to host cells, enabling the virus’s RNA genetic material to invade it
728:
Part of the viral envelope. NA enables the newly assembled virions to escape the host cell and go on to propagate the infection.
2007:
436:) indicates that the sample was collected in 2021. No species is mentioned so by default, the sample was collected from a human.
5939:
3572:
2393:
This
Memorandum was drafted by the signatories listed on page 590 on the occasion of a meeting held in Geneva in February 1980.
828:
6185:
5977:
5944:
5123:
5104:
5080:
1528:
630:
An accessory protein of most IAVs. Not needed for virus replication and growth, it interferes with the host immune response.
3713:
1166:
are recommended for those with severe symptoms, or for those who are at risk of developing complications such as pneumonia.
6413:
4111:
1273:
730:
NA also facilitates the movement of infective virus particles through mucus, enabling them to reach host epithelial cells.
6470:
5480:
5192:
5154:
4081:
3140:
5511:
2923:
The Threat of
Pandemic Influenza: Are We Ready? Workshop Summary. Institute of Medicine (US) Forum on Microbial Threats
1821:
5063:
Highly pathogenic avian influenza virus is on every top ten list available for potential agricultural bioweapon agents
6789:
6315:
6272:
5683:
5678:
5485:
5056:
3061:
Knobler SL, Mack A, Mahmoud A, Lemon SM, et al. (Institute of
Medicine (US) Forum on Microbial Threats) (2005).
2017:
1265:
and does not predict severity of symptoms in other species. Chickens infected with LPAI display mild symptoms or are
1115:
2585:
6775:
6704:
6178:
5791:
5746:
903:
65:
17:
7326:
4133:
Call SA, Vollenweider MA, Hornung CA, Simel DL, McKinney WP (February 2005). "Does this patient have influenza?".
3966:"Vaccination of poultry against highly pathogenic avian influenza – Available vaccines and vaccination strategies"
1453:
941:- are predominant in wild bird populations. These frequently cause outbreaks in domestic poultry, with occasional
5771:
5378:
5373:
5368:
3991:
3599:
1261:(LPAI). Classification of a virus strain as either LPAI or HPAI is based on the severity of symptoms in domestic
2414:
1110:. Both of these have potential to devastate poultry stocks, and both have jumped to humans with relatively high
534:, and PA), which are responsible for RNA transcription and replication, are bound to each segment of viral RNP.
78:
6374:
6360:
5557:
5455:
5398:
5363:
5358:
5353:
5348:
5343:
5338:
5333:
5328:
5323:
5318:
5313:
5308:
5303:
5298:
5293:
5288:
5283:
5278:
5273:
5268:
5263:
3741:"Recent Changes in Patterns of Mammal Infection with Highly Pathogenic Avian Influenza A(H5N1) Virus Worldwide"
1107:
1103:
938:
934:
381:
266:
4918:
4402:
1240:
head, watery eyes, unresponsiveness, lack of coordination, respiratory distress such as sneezing or gurgling.
1064:
The influenza virus may survive better in colder, drier climates, and therefore be able to infect more people.
876:
Outbreaks of influenza-like disease can be found throughout recorded history. The first probable record is by
376:. Different influenza virus genomes encode different hemagglutinin and neuraminidase proteins. Based on their
6735:
1026:
Seasonal variation in deaths due to influenza or pneumonia in 122 U.S. cities, as a proportion of all causes.
6812:
1269:, whereas HPAI causes serious breathing difficulties, significant drop in egg production, and sudden death.
6579:
6573:
6484:
6478:
6368:
3263:
2233:
1340:
807:
799:
3114:
7260:
6942:
6868:
6862:
6535:
5572:
5490:
5475:
4787:
1352:
4856:
Taubenberger JK, Baltimore D, Doherty PC, Markel H, Morens DM, Webster RG, et al. (November 2012).
2555:
1482:
404:
which describes, among other things, the subtype, year, and place of collection. Some examples include:
7349:
7184:
598:
5040:
303:
control measures are preferred. In humans, seasonal influenza can be treated in its early stages with
6999:
6606:
6143:
5970:
5918:
5533:
3577:
Science in the News, a
Graduate Student Group at the Harvard Graduate School of the Arts and Sciences
1376:
999:
679:
511:
369:
244:
5016:
537:
Capsid - The matrix protein M1 forms a layer between the nucleoprotein and the envelope, called the
7354:
6708:
6620:
6525:
6355:
6328:
6300:
6233:
708:
which transports it into the host cell nucleus, where the viral RNA is transcribed and replicated.
397:
3508:
Hirve S, Newman LP, Paget J, Azziz-Baumgartner E, Fitzner J, Bhat N, et al. (27 April 2016).
2152:
1690:
6504:
6100:
5875:
5761:
5731:
5726:
5620:
5425:
5147:
4246:
2102:"Subtyping influenza A virus with monoclonal antibodies and an indirect immunofluorescence assay"
925:
803:
6170:
7313:
7222:
6898:
6876:
6755:
6751:
6747:
6743:
6698:
6636:
6530:
6491:
6294:
5934:
5736:
5538:
5506:
5441:
5011:
2616:
Krammer F, Smith GJ, Fouchier RA, Peiris M, Kedzierska K, Doherty PC, et al. (June 2018).
919:
492:
477:
5070:
6883:
6464:
6334:
6305:
5516:
4017:
2980:
962:
867:
779:
3655:
3264:
The World Health
Organization Global Influenza Program Surveillance Network (October 2005).
2061:"Serological characteristics of a "new" serotype of influenza A virus: the Hong Kong strain"
1021:
7282:
7147:
6979:
6614:
6443:
5963:
5526:
3521:
2100:
Johnson J, Higgins A, Navarro A, Huang Y, Esper FL, Barton N, et al. (February 2012).
1236:
742:
657:
73:
4350:
3440:
3317:
2954:
2937:
8:
6565:
6286:
5586:
5470:
5187:
4986:
4730:
Ciminski K, Ran W, Gorka M, Lee J, Malmlov A, Schinköthe J, et al. (December 2019).
4517:
4221:"Bird flu (avian influenza): how to spot and report it in poultry or other captive birds"
1426:
1153:
942:
751:, which coats the viral nucleoproteins and supports the structure of the viral envelope.
3765:
3740:
3525:
2881:
2808:
2781:
2311:
1715:
261:
Subtypes of IAV are defined by the combination of the antigenic H and N proteins in the
6959:
6954:
6668:
6424:
6055:
5718:
5660:
5407:
5177:
5140:
4967:
4882:
4857:
4838:
4769:
4756:
4731:
4707:
4680:
4569:
4544:
4225:
Department for
Environment, Food & Rural Affairs and Animal and Plant Health Agency
4220:
3942:
3915:
3891:
3866:
3842:
3815:
3544:
3509:
3368:
3343:
3290:
3265:
3241:
3232:
3216:
3192:
3167:
2902:
2893:
2857:
2832:
2752:
2725:
2696:
2671:
2642:
2617:
2526:
2501:
2470:
2445:
2379:
2362:
2285:
2260:
2210:
2126:
2101:
2077:
2060:
1902:
1877:
1850:
1666:
1641:
1617:
1590:
1111:
1034:
is an annually recurring time period characterized by the prevalence of an outbreak of
824:
4428:
4332:
4307:
3624:
3417:
3392:
1978:
895:
In 1918-1919 came the first flu pandemic of the 20th century, known generally as the "
7359:
7269:
7132:
7083:
7064:
7045:
6835:
6831:
6827:
6740:
6645:
6349:
6227:
5741:
5670:
5182:
5119:
5100:
5076:
5052:
5029:
4887:
4830:
4826:
4773:
4761:
4732:"Bat influenza viruses transmit among bats but are poorly adapted to non-bat species"
4712:
4574:
4376:
4288:
4271:
Alexander DJ, Brown IH (April 2009). "History of highly pathogenic avian influenza".
4150:
3947:
3896:
3847:
3770:
3549:
3422:
3373:
3295:
3246:
3197:
3014:
2959:
2862:
2813:
2757:
2701:
2672:"The influenza A virus genome packaging network - complex, flexible and yet unsolved"
2647:
2531:
2475:
2384:
2290:
2215:
2131:
2082:
2013:
1907:
1671:
1622:
1542:
1534:
1524:
1421:
1306:
1132:
1039:
759:
5047:
Mahmoud (2005). Stacey L. Knobler, Alison Mack, Mahmoud A, Stanley M. Lemon (eds.).
4842:
7274:
7107:
6817:
6497:
6429:
6310:
6241:
6108:
6070:
5883:
5828:
5818:
5756:
5420:
5243:
5238:
5233:
5223:
5021:
4990:
4877:
4869:
4822:
4751:
4743:
4702:
4692:
4654:
4564:
4556:
4280:
4142:
3937:
3927:
3886:
3878:
3837:
3827:
3760:
3752:
3539:
3529:
3412:
3404:
3363:
3355:
3285:
3277:
3236:
3228:
3217:"New genotype of avian influenza H5N1 viruses isolated from tree sparrows in China"
3187:
3179:
2949:
2897:
2889:
2852:
2844:
2803:
2793:
2747:
2737:
2691:
2683:
2637:
2629:
2521:
2513:
2465:
2457:
2374:
2280:
2272:
2205:
2195:
2121:
2113:
2072:
1897:
1889:
1661:
1653:
1612:
1602:
1516:
1384:
1319:
1300:
784:
Counteracts the host’s natural immune response and inhibits interferon production.
700:
The nucleoprotein associates with the viral RNA to form a ribonucleoprotein (RNP).
337:
There are two methods of classification, one based on surface proteins (originally
217:
163:
7071:
5089:
4487:
3789:
2517:
2363:"A revision of the system of nomenclature for influenza viruses: a WHO memorandum"
1741:
1515:. Methods in Molecular Biology (Clifton, N.J.). Vol. 2123. pp. 429–450.
7198:
7031:
6936:
6856:
6845:
6716:
6680:
6600:
6386:
6247:
5856:
5840:
4697:
3629:
3534:
3408:
2848:
2200:
2183:
1520:
1363:. Bat influenza viruses have been found to be poorly adapted to non-bat species.
1285:
1226:
1209:
1205:
953:
Influenza viruses have a relatively high mutation rate that is characteristic of
468:
This example carries an unusual designation in the last part: instead of a usual
293:
289:
151:
139:
127:
4560:
4103:
2833:"Biochemical principles and inhibitors to interfere with viral capping pathways"
2337:"Influenza A Subtypes and the Species Affected | Seasonal Influenza (Flu) | CDC"
2336:
1767:
1564:"Influenza A Subtypes and the Species Affected | Seasonal Influenza (Flu) | CDC"
1563:
7210:
6267:
6159:
5595:
5202:
4169:
3882:
3359:
3062:
2918:
2798:
2444:
Dadonaite B, Vijayakrishnan S, Fodor E, Bhella D, Hutchinson EC (August 2016).
1163:
821:
545:
353:
342:
304:
281:
262:
241:
4858:"Reconstruction of the 1918 influenza virus: unexpected rewards from the past"
4747:
4069:
3932:
3832:
2670:
Jakob C, Paul-Stansilaus R, Schwemmle M, Marquet R, Bolte H (September 2022).
2633:
2182:
Tong S, Zhu X, Li Y, Shi M, Zhang J, Bourgeois M, et al. (October 2013).
1411:, and the communication of accurate and trustworthy information to the public.
7343:
7245:
6262:
6257:
6205:
6113:
5888:
5751:
4592:
4518:"Key Facts about Canine Influenza (Dog Flu) | Seasonal Influenza (Flu) | CDC"
3467:"70 years of GISRS – the Global Influenza Surveillance & Response System"
2742:
2034:"70 years of GISRS – the Global Influenza Surveillance & Response System"
1878:"The ecology and adaptive evolution of influenza A interspecies transmission"
1538:
1334:
1159:
1053:
There are several possible reasons for the winter peak in temperate regions:
909:
817:
723:
695:
373:
115:
57:
4996:
3816:"Influenza virus-related critical illness: prevention, diagnosis, treatment"
1508:
704:
7123:
6973:
6651:
6512:
6123:
6002:
5898:
5521:
5197:
5033:
4891:
4834:
4765:
4716:
4578:
4457:"Equine Influenza: Respiratory Diseases of Horses: Merck Veterinary Manual"
4292:
4284:
4154:
4146:
3951:
3900:
3851:
3774:
3756:
3553:
3377:
3299:
3281:
3250:
3201:
2963:
2866:
2817:
2761:
2705:
2651:
2535:
2479:
2294:
2219:
2135:
1911:
1675:
1626:
1546:
1266:
966:
255:
4873:
4642:
3916:"Towards a universal influenza vaccine: different approaches for one goal"
3510:"Influenza Seasonality in the Tropics and Subtropics - When to Vaccinate?"
3426:
3215:
Kou Z, Lei FM, Yu J, Fan ZJ, Yin ZH, Jia CX, et al. (December 2005).
3018:
2687:
2388:
2086:
7254:
7163:
7112:
7100:
7095:
7088:
7076:
7050:
7020:
6922:
6761:
6673:
6656:
6591:
6252:
6128:
6085:
6012:
6007:
5986:
5903:
5630:
5625:
5613:
5415:
5025:
3183:
2726:"Influenza A Virus Cell Entry, Replication, Virion Assembly and Movement"
2461:
2117:
1607:
1194:
897:
881:
877:
765:
300:
273:
43:
7300:
4790:. National Institute of Allergy and Infectious Diseases. 13 March 2017.
2276:
1657:
1185:
1067:
Cold air reduces the ability of the nasal membranes to resist infection.
887:
497:
7013:
6797:
6554:
6075:
6017:
5861:
5779:
5655:
5608:
5603:
5207:
5068:
3494:
See section 'Pneumonia and
Influenza (P&I) Mortality Surveillance'
1351:. In 2012 a second bat influenza A virus IAV(H18N11) was discovered in
1232:
1198:
1047:
1016:
974:
event. It is thought that all influenza A viruses causing outbreaks or
665:
592:
299:
IAV disease in poultry can be can be prevented by vaccination, however
234:
2234:"Influenza Virus Genome Sequencing and Genetic Characterization | CDC"
1893:
1339:
The first bat flu virus, IAV(H17N10), was first discovered in 2009 in
7058:
7039:
7006:
6994:
6988:
6967:
6913:
6841:
6727:
6689:
6458:
6437:
6343:
6221:
6213:
6201:
6138:
6133:
5913:
5908:
5688:
5647:
5640:
5635:
5163:
4194:
4018:"What People Who Raise Pigs Need To Know About Influenza (Flu) | CDC"
3600:"Scientists finally know why people get more colds and flu in winter"
3391:
Webster RG, Bean WJ, Gorman OT, Chambers TM, Kawaoka Y (March 1992).
3166:
Sanjuán R, Nebot MR, Chirico N, Mansky LM, Belshaw R (October 2010).
1792:
1348:
1189:
Symptoms of influenza, with fever and cough the most common symptoms.
1175:
1085:
1035:
995:
954:
842:
816:
The RdRp complex transcribes viral mRNAs by using a mechanism called
515:
312:
288:
that may be fatal. Humans can rarely become infected with strains of
285:
247:
103:
7216:
4957:
4658:
3992:"Making a Candidate Vaccine Virus (CVV) for a HPAI (Bird Flu) Virus"
2669:
789:
NEP (Nuclear Export Protein, formerly NS2 non-structural protein 2)
518:, enclosed in a lipid envelope. The virus particle (also called the
7239:
7156:
6803:
6545:
6401:
6090:
6050:
3739:
Plaza PI, Gamarra-Toledo V, EuguĂ JR, Lambertucci SA (March 2024).
3738:
1956:
UK Government - Department for Environment Food & Rural Affairs
1081:
1077:
1004:
975:
971:
891:
Timeline of flu pandemics and epidemics caused by influenza A virus
832:
661:
377:
365:
338:
317:
251:
222:
4855:
3491:
2443:
702:
At the early stage of infection, the RNP binds to the host cell’s
660:
in the PA segment. Inhibits innate host immune responses, such as
7287:
6909:
6200:
6065:
6060:
6040:
6027:
5823:
5072:
The Threat of Pandemic Influenza: Are We Ready?: Workshop Summary
3718:
The Food and Agriculture Organization (FAO) of the United Nations
3507:
1400:
1262:
1043:
862:
Genetic evolution of human and swine influenza viruses, 1918–2009
550:
362:
277:
205:
3067:
The Threat of Pandemic Influenza: Are We Ready? Workshop Summary
798:
Three viral proteins - PB1, PB2, and PA - associate to form the
6518:
6080:
5693:
5043:
Congressional Research Service Report on Pandemic Preparedness.
2780:
Rashid F, Xie Z, Li M, Xie Z, Luo S, Xie L (13 December 2023).
1445:
994:
is a global network of laboratories that monitor the spread of
958:
748:
538:
230:
5955:
4919:"WHO public health research agenda for influenza: 2017 update"
4681:"Bats reveal the true power of influenza A virus adaptability"
1591:"Evolution of Influenza A Virus by Mutation and Re-Assortment"
7169:
6928:
6560:
6118:
6045:
6035:
5994:
5893:
5069:
Mahmoud AA, Institute of Medicine, Knobler S, Mack A (2005).
3685:"Zoonotic influenza - Annual Epidemiological Report for 2022"
3318:"Transmission of Bird Flu Viruses Between Animals and People"
2938:"Origin and evolution of influenza virus hemagglutinin genes"
1509:"A Brief Introduction to Influenza A Virus in Marine Mammals"
1093:
1089:
272:
Symptoms of human seasonal flu usually include fever, cough,
209:
90:
7205:
5132:
4132:
2782:"Roles and functions of IAV proteins in host immune evasion"
2724:
Dou D, Revol R, Ă–stbye H, Wang H, Daniels R (20 July 2018).
1197:, although usually more severe and less likely to include a
945:
infections in humans who are in close contact with poultry.
4951:
4377:"Key Facts about Swine Influenza (Swine Flu) in Pigs | CDC"
1360:
226:
4678:
2615:
2099:
1876:
Joseph U, Su YC, Vijaykrishna D, Smith GJ (January 2017).
841:
The replication of the influenza virus, unlike most other
6395:
4980:
4044:
3390:
3165:
1875:
1855:
European Centre for Disease Prevention and Control (ECDC)
453:
This example shows an additional field before the place:
4045:"Take everyday precautions to protect others while sick"
1589:
Shao W, Li X, Goraya MU, Wang S, Chen JL (August 2017).
917:
In the 21st century, a strain of H1N1 flu (since titled
457:. It indicates that the sample was collected from a pig.
4679:
Ciminski K, Pfaff F, Beer M, Schwemmle M (April 2020).
4339:. Animal Plant Health Inspection Service. October 2013.
3093:
CDC Archive: Centers for Disease Control and Prevention
3060:
1372:
much research to understand and prevent flu pandemics.
1193:
The symptoms of seasonal flu are similar to those of a
3573:"The Reason for the Season: why flu strikes in winter"
2175:
2009:
Historical Dictionary of the World Health Organization
753:
M1 also assists with the function of the NEP protein.
7182:
5001:
3913:
3492:
CDC U.S. influenza season summary with weekly updates
2261:"At the centre: influenza A virus ribonucleoproteins"
2258:
2147:
2145:
1642:"At the centre: influenza A virus ribonucleoproteins"
1639:
1450:
International Committee on Taxonomy of Viruses (ICTV)
4813:
Potter CW (October 2001). "A history of influenza".
4542:
4251:
The Royal Society for the Protection of Birds (RSPB)
2916:
2495:
2493:
2491:
2489:
1243:
827:. Host cell mRNA is cleaved near the cap to yield a
820:. It consists in the hijacking and cleavage of host
250:, with a segmented genome. Through a combination of
5113:
5090:
Links to Bird Flu pictures (Hardin MD/Univ of Iowa)
4729:
3914:Sautto GA, Kirchenbaum GA, Ross TM (January 2018).
3266:"Evolution of H5N1 avian influenza viruses in Asia"
3007:
Nihon Rinsho. Japanese Journal of Clinical Medicine
2184:"New world bats harbor diverse influenza A viruses"
1379:has published a Research Agenda with five streams:
341:), and the other based on its behavior, mainly the
4543:Wasik BR, Voorhees IE, Parrish CR (January 2021).
4355:European Centre for Disease Prevention and Control
4333:"National H5/H7 Avian Influenza surveillance plan"
3341:
2882:"Replication and Expression Strategies of Viruses"
2723:
2142:
1204:Humans can rarely become infected with strains of
5041:Pandemic Influenza: Domestic Preparedness Efforts
4351:"Factsheet on swine influenza in humans and pigs"
3441:"Factsheet on swine influenza in humans and pigs"
3159:
2925:. Washington (DC): National Academies Press (US).
2486:
2259:Eisfeld AJ, Neumann G, Kawaoka Y (January 2015).
1640:Eisfeld AJ, Neumann G, Kawaoka Y (January 2015).
1506:
990:Global Influenza Surveillance and Response System
418:indicates that the virus is an influenza A virus.
309:Global Influenza Surveillance and Response System
7341:
3033:"CDC Archives : 1918 Pandemic (H1N1 virus)"
2879:
1979:"What You Should Know about Flu Antiviral Drugs"
1588:
2917:Mahmoud SM, Alison M, Knobler SL, eds. (2005).
2775:
2773:
2771:
391:
324:in order to keep up with changes in the virus.
5075:. Washington, D.C.: National Academies Press.
4270:
3813:
3393:"Evolution and ecology of influenza A viruses"
3257:
2779:
2665:
2663:
2661:
2415:"Technical note: Influenza virus nomenclature"
1822:"Avian influenza: guidance, data and analysis"
6186:
5971:
5148:
5051:. The National Academies Press. p. 285.
3115:"The next pandemic: H5N1 and H7N9 influenza?"
2830:
2499:
284:and, in severe cases, breathing problems and
4126:
2768:
2719:
2717:
2715:
2181:
957:. The segmentation of the influenza A virus
4618:"Characterization of bat influenza viruses"
4549:Cold Spring Harbor Perspectives in Medicine
4433:WOAH - World Organisation for Animal Health
3864:
3858:
3214:
2658:
2052:
1595:International Journal of Molecular Sciences
1121:
320:influenza viruses. IAV vaccines need to be
6450:Progressive multifocal leukoencephalopathy
6193:
6179:
5978:
5964:
5155:
5141:
4962:Centers for Disease Control and Prevention
4522:Centers for Disease Protection and Control
4492:Centers for Disease Control and Prevention
4381:Centers for Disease Control and Prevention
4312:Centers for Disease Control and Prevention
4174:Centers for Disease Control and Prevention
4108:Centers for Disease Control and Prevention
4076:Centers for Disease Control and Prevention
4049:Centers for Disease Control and Prevention
4022:Centers for Disease Control and Prevention
3794:Centers for Disease Control and Prevention
3322:Centers for Disease Control and Prevention
3037:Centers for Disease Control and Prevention
2611:
2609:
2607:
2341:Centers for Disease Control and Prevention
2238:Centers for Disease Prevention and Control
2157:Centers for Disease Control and Prevention
1983:Centers for Disease Control and Prevention
1746:Centers for Disease Control and Prevention
1695:Centers for Disease Control and Prevention
1568:Centers for Disease Control and Prevention
56:
42:
6321:Extranodal NK/T-cell lymphoma, nasal type
5015:
4881:
4755:
4706:
4696:
4672:
4568:
3941:
3931:
3890:
3841:
3831:
3814:Chow EJ, Doyle JD, Uyeki TM (June 2019).
3764:
3543:
3533:
3416:
3367:
3344:"Influenza: the once and future pandemic"
3342:Taubenberger JK, Morens DM (April 2010).
3289:
3240:
3191:
2953:
2935:
2901:
2856:
2807:
2797:
2751:
2741:
2712:
2695:
2641:
2525:
2469:
2378:
2367:Bulletin of the World Health Organization
2284:
2209:
2199:
2125:
2076:
2065:Bulletin of the World Health Organization
1901:
1665:
1616:
1606:
620:mitochondrial antiviral signaling protein
616:A component of the viral RNA polymerase.
486:
2001:
1999:
1952:"Avian influenza (bird flu) vaccination"
1184:
1118:and may be adapting to mammalian hosts.
1092:) that has jumped from a non-human to a
1020:
886:
857:
853:
644:A component of the viral RNA polymerase
496:
352:
5094:
5046:
4913:
4911:
4909:
4907:
4905:
4903:
4901:
4337:United States Department of Agriculture
3597:
3004:
2604:
2553:
2500:Bouvier NM, Palese P (September 2008).
2409:
2407:
2405:
2403:
2401:
2252:
2153:"Influenza Type A Viruses and Subtypes"
2058:
2005:
1882:Influenza and Other Respiratory Viruses
1816:
1814:
1633:
601:to inhibit host innate immune response
476:. This was in order to distinguish the
14:
7342:
4812:
4806:
4451:
4449:
3907:
3708:
3706:
3679:
3677:
3650:
3648:
3567:
3565:
3563:
3485:
3141:"Influenza (Avian and other zoonotic)"
3089:"2009 H1N1 Pandemic (H1N1pdm09 virus)"
2929:
1869:
1071:
884:and up to the end of the 19th century.
368:on the surface of the viral envelope,
7221:
7220:
6174:
5959:
5945:US influenza statistics by flu season
5136:
4987:Web focus: Warnings of a Flu Pandemic
4780:
4512:
4510:
4508:
4084:from the original on 27 December 2019
3459:
3208:
3056:
3054:
2975:
2973:
2955:10.1093/oxfordjournals.molbev.a004105
2580:
2578:
2576:
2549:
2547:
2545:
2306:
2304:
1996:
1845:
1843:
1395:manufactured and delivered worldwide.
1169:
1038:, caused either by Influenza A or by
948:
448:A/swine/South Dakota/152B/2009 (H1N2)
4898:
4585:
4403:"2023: outbreaks of swine influenza"
4299:
4264:
3807:
3714:"Global AIV with Zoonotic Potential"
3384:
3335:
3309:
2398:
2026:
1811:
1558:
1556:
1477:
1475:
1473:
1471:
1274:World Organization for Animal Health
1114:. H5N1 in particular has infected a
627:PB1-F2 (Polymerase Basic 1-Frame 2)
6471:Subacute sclerosing panencephalitis
5004:The New England Journal of Medicine
4997:Nature Reports: Homepage: Avian Flu
4485:
4446:
4305:
4167:
4042:
3787:
3703:
3674:
3645:
3560:
3445:European Centre for Disease Control
3315:
2425:from the original on 10 August 2023
1976:
1765:
1739:
1688:
1682:
814:Viral messenger RNA Transcription -
442:indicates the subtype of the virus.
424:indicates the place of collection.
24:
5940:2017–2018 United States flu season
5114:Sobrino F, Mettenleiter T (2008).
5097:Influenza Virology: Current Topics
4940:
4505:
4114:from the original on 1 August 2020
4104:"Flu Symptoms & Complications"
3617:
3233:10.1128/JVI.79.24.15460-15466.2005
3051:
2970:
2894:10.1016/B978-0-12-811257-1.00003-6
2573:
2542:
2502:"The biology of influenza viruses"
2301:
1840:
1456:from the original on 20 March 2020
1391:factors which affect transmission.
409:A/Rio de Janeiro/62434/2021 (H3N2)
68:micrograph of influenza A viruses
25:
7371:
6790:Severe acute respiratory syndrome
6316:Follicular dendritic cell sarcoma
5679:Live attenuated influenza vaccine
5116:Animal Viruses: Molecular Biology
4794:from the original on 10 June 2024
2831:Decroly E, Canard B (June 2017).
1733:
1553:
1507:Runstadler JA, Puryear W (2020).
1468:
1251:highly pathogenic avian influenza
1244:Highly pathogenic avian influenza
1162:works to recover from infection.
1080:a disease in a human caused by a
618:It also degrades the host cell’s
463:A/California/04/2009 A(H1N1)pdm09
428:is a laboratory sequence number.
357:Diagram of influenza nomenclature
332:
307:medicines. A global network, the
7204:
7192:
6776:Middle East respiratory syndrome
4827:10.1046/j.1365-2672.2001.01492.x
2419:Pan American Health Organization
2312:"FluGlobalNet - Avian Influenza"
2163:from the original on 1 June 2021
2106:Journal of Clinical Microbiology
1768:"Avian Influenza Type A Viruses"
1716:"FluGlobalNet - Avian Influenza"
1215:
835:manufacture the viral proteins.
480:lineage from older H1N1 viruses.
77:
5985:
4849:
4815:Journal of Applied Microbiology
4723:
4635:
4610:
4536:
4479:
4421:
4395:
4369:
4343:
4325:
4273:Revue Scientifique et Technique
4239:
4213:
4187:
4161:
4096:
4062:
4036:
4010:
3984:
3958:
3781:
3732:
3591:
3501:
3433:
3133:
3107:
3081:
3069:. National Academies Press (US)
3025:
2998:
2948:(4). Ocford Academic: 501–509.
2942:Molecular Biology and Evolution
2910:
2880:Rampersad S, Tennant P (2018).
2873:
2824:
2622:Nature Reviews. Disease Primers
2450:The Journal of General Virology
2446:"Filamentous influenza viruses"
2437:
2355:
2329:
2226:
2093:
1970:
1944:
1918:
1785:
1759:
1010:
982:
848:
311:(GISRS) monitors the spread of
51:Structure of influenza A virus
6375:Adult T-cell leukemia/lymphoma
6361:Splenic marginal zone lymphoma
4070:"Flu Symptoms & Diagnosis"
3865:Dharmapalan D (October 2020).
3630:Merriam-Webster.com Dictionary
3005:Shimizu K (October 1997). "".
2936:Suzuki Y, Nei M (April 2002).
1708:
1582:
1500:
1438:
1259:low pathogenic avian influenza
839:Replication of the viral RNA -
780:NS1 (non-structural protein 1)
400:of virus, researchers use the
13:
1:
5737:Russian flu (1889–1890)
5162:
4643:"New flu virus found in bats"
4545:"Canine and Feline Influenza"
3598:LaMotte S (6 December 2022).
2586:"Virology of human influenza"
2518:10.1016/j.vaccine.2008.07.039
1432:
1341:little yellow-shouldered bats
591:A component of the viral RNA
514:, single-stranded, segmented
402:Influenza virus nomenclature,
6580:Tropical spastic paraparesis
6485:Lymphocytic choriomeningitis
4698:10.1371/journal.ppat.1008384
3871:Indian Journal of Pediatrics
3790:"Types of Influenza Viruses"
3745:Emerging Infectious Diseases
3535:10.1371/journal.pone.0153003
3498:, accessed 30 September 2020
3409:10.1128/mr.56.1.152-179.1992
3270:Emerging Infectious Diseases
2919:"1, The Story of Influenza."
2849:10.1016/j.coviro.2017.04.003
2265:Nature Reviews. Microbiology
2201:10.1371/journal.ppat.1003657
2012:. Rowman & Littlefield.
1926:"Avian influenza (bird flu)"
1742:"Types of Influenza Viruses"
1646:Nature Reviews. Microbiology
1521:10.1007/978-1-0716-0346-8_33
1353:flat-faced fruit-eating bats
1147:
998:with the aim to provide the
800:RNA-dependent RNA polymerase
510:The influenza A virus has a
505:
392:Influenza virus nomenclature
7:
6943:Cytomegalovirus esophagitis
6863:Human parainfluenza viruses
6536:Ramsay Hunt syndrome type 2
4561:10.1101/cshperspect.a038562
3996:Centers for Disease Control
2837:Current Opinion in Virology
1851:"Swine influenza in humans"
1415:
1366:
501:Influenza A virus structure
348:
327:
10:
7376:
5512:Transmission and infection
5118:. Caister Academic Press.
4978:
4949:
4788:"Influenza Basic Research"
4308:"Avian Influenza in Birds"
4199:National Health Service UK
3883:10.1007/s12098-020-03214-1
3360:10.1177/00333549101250S305
3119:Gavi, the Vaccine Alliance
2981:"The History of Influenza"
2799:10.3389/fimmu.2023.1323560
2554:Shaffer C (7 March 2018).
1772:Avian Influenza (Bird Flu)
1691:"Influenza Type A Viruses"
1332:
1317:
1298:
1283:
1224:
1173:
1151:
1130:
1126:
1014:
865:
802:(RdRp) which functions to
490:
7229:
7146:
7122:
7030:
6953:
6908:
6897:
6726:
6688:
6667:
6635:
6607:Cytomegalovirus retinitis
6590:
6544:
6423:
6412:
6385:
6212:
6152:
6099:
6026:
5993:
5927:
5874:
5849:
5811:
5804:
5792:Central Luzon H5N6 (2017)
5770:
5732:Influenza pandemic (1557)
5727:Influenza pandemic (1510)
5717:
5706:
5669:
5594:
5585:
5565:
5556:
5499:
5463:
5454:
5434:
5406:
5397:
5252:
5216:
5170:
4923:World Health Organization
4748:10.1038/s41564-019-0556-9
4407:World Health Organization
4168:CDC (29 September 2022).
4110:(CDC). 26 February 2019.
3933:10.1186/s12985-017-0918-y
3833:10.1186/s13054-019-2491-9
3660:World Health Organization
3471:World Health Organization
3145:World Health Organization
2634:10.1038/s41572-018-0002-y
2590:World Health Organization
2038:World Health Organization
1930:European Medicines Agency
1487:World Health Organization
1377:World Health Organization
1294:
1180:
1142:Poultry and other animals
1000:World Health Organization
775:
772:
738:
735:
613:PB1 (Polymerase Basic 1)
609:
606:
588:PB2 (Polymerase Basic 2)
556:
225:with strains that infect
72:
64:
55:
50:
41:
34:
6709:Infectious mononucleosis
6526:Chandipura vesiculovirus
6356:Hepatocellular carcinoma
6301:Nasopharyngeal carcinoma
6234:Hepatocellular carcinoma
5834:2007 Australian outbreak
3063:"The Story of Influenza"
2743:10.3389/fimmu.2018.01581
1220:
1122:Prevention and treatment
6505:Encephalitis lethargica
6206:viral systemic diseases
5621:Neuraminidase inhibitor
5099:. Caister Academic Pr.
4958:Information on Bird Flu
3397:Microbiological Reviews
2786:Frontiers in Immunology
2730:Frontiers in Immunology
2556:"Influenza A Structure"
1797:National Health Service
1689:CDC (1 February 2024).
1328:
1313:
1279:
6877:Human orthopneumovirus
6531:Herpesviral meningitis
6492:Arbovirus encephalitis
5935:Influenza-like illness
5604:Adamantane derivatives
4461:www.merckvetmanual.com
4285:10.20506/rst.28.1.1856
4147:10.1001/jama.293.8.987
3757:10.3201/eid3003.231098
3656:"Zoonoses - Key Facts"
3282:10.3201/eid1110.050644
3168:"Viral mutation rates"
2676:Nucleic Acids Research
2006:Lee K, Fang J (2013).
1513:Animal Influenza Virus
1483:"Influenza (Seasonal)"
1190:
1028:
892:
863:
502:
493:H5N1 genetic structure
487:Structure and genetics
478:Pandemic H1N1/09 virus
358:
322:reformulated regularly
6335:Merkel-cell carcinoma
5785:1989–1990 UK outbreak
5747:Asian flu (1957-1958)
4979:Further information:
4950:Further information:
4874:10.1128/mBio.00201-12
4622:uniklinik-freiburg.de
4593:"Bat Influenza (Flu)"
4043:CDC (22 March 2024).
3788:CDC (30 March 2023).
3348:Public Health Reports
1977:CDC (20 March 2024).
1740:CDC (30 March 2023).
1357:Artibeus planirostris
1237:asymptomatic carriers
1231:Some species of wild
1188:
1116:wide range of mammals
1024:
963:genetic recombination
890:
868:Timeline of influenza
861:
854:Evolution and history
760:M2 (Matrix Protein 2)
743:M1 (Matrix Protein 1)
641:PA (Polymerase Acid)
500:
356:
233:, as well as causing
6980:Adenovirus infection
6444:Human polyomavirus 2
6273:Oropharyngeal cancer
5752:Hong Kong flu (1968)
5544:Pandemic preparation
5026:10.1056/NEJMra052211
4306:CDC (14 June 2022).
3184:10.1128/JVI.00694-10
2512:(Suppl 4): D49–D53.
2462:10.1099/jgv.0.000535
2373:(4): 585–591. 1980.
2118:10.1128/JCM.01237-11
1766:CDC (11 June 2024).
1608:10.3390/ijms18081650
658:ribosomal frameshift
215:of the virus family
74:Virus classification
6566:Post-polio syndrome
6202:Infectious diseases
4975:General information
4736:Nature Microbiology
4653:(7475): 169. 2013.
4467:on 15 November 2016
3526:2016PLoSO..1153003H
3473:. 19 September 2022
3316:CDC (15 May 2024).
3227:(24): 15460–15466.
3221:Journal of Virology
3172:Journal of Virology
2688:10.1093/nar/gkac688
2421:. 11 January 2023.
2277:10.1038/nrmicro3367
2040:. 19 September 2022
1857:. 20 September 2017
1658:10.1038/nrmicro3367
1427:Veterinary virology
1154:Influenza treatment
1112:case fatality rates
1072:Zoonotic infections
1007:influenza viruses.
599:JAK1/STAT signaling
213:Alphainfluenzavirus
177:Alphainfluenzavirus
6699:Epstein–Barr virus
6669:Respiratory system
6306:Burkitt's lymphoma
5742:Spanish flu (1918)
5661:Baloxavir marboxil
5486:West Bengal (2008)
5421:1977 (Russian flu)
5416:1918 (Spanish flu)
5095:Kawaoka Y (2006).
4968:Pandemic Influenza
4486:CDC (5 May 2023).
4429:"Equine influenza"
4227:. 13 December 2022
3689:www.ecdc.europa.eu
3354:(Suppl 3): 16–26.
2316:science.vla.gov.uk
2240:. 27 February 2024
2059:Masurel N (1969).
1828:. 18 November 2021
1720:science.vla.gov.uk
1191:
1170:Signs and symptoms
1029:
949:Pandemic potential
893:
864:
724:NA (Neuraminidase)
696:NP (Nucleoprotein)
680:HA (Hemagglutinin)
597:PB2 also inhibits
503:
359:
204:(IAV) is the only
7350:Influenza A virus
7337:
7336:
7261:Influenza A virus
7231:Influenza A virus
7223:Taxon identifiers
7180:
7179:
7142:
7141:
6893:
6892:
6824:Influenza virus A
6741:Human coronavirus
6631:
6630:
6621:Herpes of the eye
6168:
6167:
5953:
5952:
5870:
5869:
5800:
5799:
5780:Fujian flu (H3N2)
5702:
5701:
5581:
5580:
5552:
5551:
5507:Genetic structure
5450:
5449:
5254:Influenza A virus
5193:Genome sequencing
5125:978-1-904455-22-6
5106:978-1-904455-06-6
5082:978-0-309-09504-4
5010:(13): 1374–1385.
4742:(12): 2298–2309.
4170:"Cold Versus Flu"
4024:. 19 October 2023
3972:. 10 October 2023
3633:. Merriam-Webster
3579:. 1 December 2014
3276:(10): 1515–1521.
3178:(19): 9733–9748.
3013:(10): 2505–2511.
2682:(16): 9023–9038.
1894:10.1111/irv.12412
1799:. 23 October 2017
1530:978-1-0716-0345-1
1422:Influenza vaccine
1133:Influenza vaccine
796:
795:
201:Influenza A virus
197:
196:
190:Influenza A virus
36:Influenza A virus
16:(Redirected from
7367:
7330:
7329:
7317:
7316:
7304:
7303:
7291:
7290:
7278:
7277:
7265:
7264:
7263:
7250:
7249:
7248:
7218:
7217:
7209:
7208:
7197:
7196:
7195:
7188:
6906:
6905:
6901:digestive system
6818:Orthomyxoviridae
6784:SARS coronavirus
6770:MERS coronavirus
6686:
6685:
6498:Orthomyxoviridae
6421:
6420:
6387:Immune disorders
6311:Hodgkin lymphoma
6287:Kaposi's sarcoma
6195:
6188:
6181:
6172:
6171:
6109:Acute bronchitis
6071:Nasal congestion
6056:Loss of appetite
5980:
5973:
5966:
5957:
5956:
5884:Acute bronchitis
5809:
5808:
5762:Swine flu (2009)
5757:1977 Russian flu
5715:
5714:
5651:
5592:
5591:
5563:
5562:
5461:
5460:
5426:2009 (Swine flu)
5404:
5403:
5224:Orthomyxoviridae
5157:
5150:
5143:
5134:
5133:
5129:
5110:
5086:
5065:
5037:
5019:
4946:Official sources
4935:
4934:
4932:
4930:
4915:
4896:
4895:
4885:
4853:
4847:
4846:
4810:
4804:
4803:
4801:
4799:
4784:
4778:
4777:
4759:
4727:
4721:
4720:
4710:
4700:
4676:
4670:
4669:
4667:
4665:
4639:
4633:
4632:
4630:
4628:
4614:
4608:
4607:
4605:
4603:
4589:
4583:
4582:
4572:
4540:
4534:
4533:
4531:
4529:
4524:. 29 August 2023
4514:
4503:
4502:
4500:
4498:
4483:
4477:
4476:
4474:
4472:
4463:. Archived from
4453:
4444:
4443:
4441:
4439:
4425:
4419:
4418:
4416:
4414:
4399:
4393:
4392:
4390:
4388:
4383:. 3 October 2018
4373:
4367:
4366:
4364:
4362:
4347:
4341:
4340:
4329:
4323:
4322:
4320:
4318:
4303:
4297:
4296:
4268:
4262:
4261:
4259:
4257:
4243:
4237:
4236:
4234:
4232:
4217:
4211:
4210:
4208:
4206:
4191:
4185:
4184:
4182:
4180:
4165:
4159:
4158:
4130:
4124:
4123:
4121:
4119:
4100:
4094:
4093:
4091:
4089:
4080:. 10 July 2019.
4066:
4060:
4059:
4057:
4055:
4040:
4034:
4033:
4031:
4029:
4014:
4008:
4007:
4005:
4003:
3988:
3982:
3981:
3979:
3977:
3962:
3956:
3955:
3945:
3935:
3920:Virology Journal
3911:
3905:
3904:
3894:
3862:
3856:
3855:
3845:
3835:
3811:
3805:
3804:
3802:
3800:
3785:
3779:
3778:
3768:
3736:
3730:
3729:
3727:
3725:
3710:
3701:
3700:
3698:
3696:
3681:
3672:
3671:
3669:
3667:
3652:
3643:
3642:
3640:
3638:
3621:
3615:
3614:
3612:
3610:
3595:
3589:
3588:
3586:
3584:
3569:
3558:
3557:
3547:
3537:
3505:
3499:
3489:
3483:
3482:
3480:
3478:
3463:
3457:
3456:
3454:
3452:
3437:
3431:
3430:
3420:
3388:
3382:
3381:
3371:
3339:
3333:
3332:
3330:
3328:
3313:
3307:
3303:
3293:
3261:
3255:
3254:
3244:
3212:
3206:
3205:
3195:
3163:
3157:
3156:
3154:
3152:
3147:. 3 October 2023
3137:
3131:
3130:
3128:
3126:
3111:
3105:
3104:
3102:
3100:
3085:
3079:
3078:
3076:
3074:
3058:
3049:
3048:
3046:
3044:
3029:
3023:
3022:
3002:
2996:
2995:
2993:
2991:
2977:
2968:
2967:
2957:
2933:
2927:
2926:
2914:
2908:
2907:
2905:
2877:
2871:
2870:
2860:
2828:
2822:
2821:
2811:
2801:
2777:
2766:
2765:
2755:
2745:
2721:
2710:
2709:
2699:
2667:
2656:
2655:
2645:
2613:
2602:
2601:
2599:
2597:
2582:
2571:
2570:
2568:
2566:
2551:
2540:
2539:
2529:
2497:
2484:
2483:
2473:
2456:(8): 1755–1764.
2441:
2435:
2434:
2432:
2430:
2411:
2396:
2395:
2382:
2359:
2353:
2352:
2350:
2348:
2333:
2327:
2326:
2324:
2322:
2308:
2299:
2298:
2288:
2256:
2250:
2249:
2247:
2245:
2230:
2224:
2223:
2213:
2203:
2194:(10): e1003657.
2179:
2173:
2172:
2170:
2168:
2159:. 2 April 2013.
2149:
2140:
2139:
2129:
2097:
2091:
2090:
2080:
2056:
2050:
2049:
2047:
2045:
2030:
2024:
2023:
2003:
1994:
1993:
1991:
1989:
1974:
1968:
1967:
1965:
1963:
1948:
1942:
1941:
1939:
1937:
1922:
1916:
1915:
1905:
1873:
1867:
1866:
1864:
1862:
1847:
1838:
1837:
1835:
1833:
1818:
1809:
1808:
1806:
1804:
1789:
1783:
1782:
1780:
1778:
1763:
1757:
1756:
1754:
1752:
1737:
1731:
1730:
1728:
1726:
1712:
1706:
1705:
1703:
1701:
1686:
1680:
1679:
1669:
1637:
1631:
1630:
1620:
1610:
1586:
1580:
1579:
1577:
1575:
1560:
1551:
1550:
1504:
1498:
1497:
1495:
1493:
1479:
1466:
1465:
1463:
1461:
1442:
1320:Canine influenza
1301:Equine influenza
1272:Since 2006, the
565:
564:
475:
471:
464:
456:
449:
441:
435:
431:
427:
423:
417:
410:
265:; for example, "
218:Orthomyxoviridae
165:Orthomyxoviridae
82:
81:
60:
46:
32:
31:
27:Species of virus
21:
18:Influenzavirus A
7375:
7374:
7370:
7369:
7368:
7366:
7365:
7364:
7355:Animal virology
7340:
7339:
7338:
7333:
7325:
7320:
7312:
7307:
7299:
7294:
7286:
7281:
7273:
7268:
7259:
7258:
7253:
7244:
7243:
7238:
7225:
7215:
7203:
7193:
7191:
7183:
7181:
7176:
7138:
7118:
7026:
7000:Gastroenteritis
6958:
6955:Gastroenteritis
6949:
6937:Cytomegalovirus
6900:
6889:
6857:Paramyxoviridae
6846:Avian influenza
6722:
6717:Cytomegalovirus
6681:viral pneumonia
6679:
6676:nasopharyngitis
6675:
6672:
6663:
6627:
6601:Cytomegalovirus
6586:
6540:
6428:
6415:
6408:
6381:
6248:Cervical cancer
6208:
6199:
6169:
6164:
6160:Antiviral drugs
6148:
6095:
6022:
5989:
5984:
5954:
5949:
5923:
5866:
5845:
5796:
5766:
5711:
5709:
5698:
5665:
5649:
5596:Antiviral drugs
5577:
5548:
5534:Human mortality
5527:clinical trials
5495:
5446:
5430:
5393:
5257:
5255:
5248:
5212:
5166:
5161:
5126:
5107:
5083:
5059:
5017:10.1.1.730.7890
4983:
4954:
4943:
4941:Further reading
4938:
4928:
4926:
4917:
4916:
4899:
4854:
4850:
4811:
4807:
4797:
4795:
4786:
4785:
4781:
4728:
4724:
4691:(4): e1008384.
4677:
4673:
4663:
4661:
4659:10.1038/503169e
4641:
4640:
4636:
4626:
4624:
4616:
4615:
4611:
4601:
4599:
4591:
4590:
4586:
4541:
4537:
4527:
4525:
4516:
4515:
4506:
4496:
4494:
4484:
4480:
4470:
4468:
4455:
4454:
4447:
4437:
4435:
4427:
4426:
4422:
4412:
4410:
4409:. 30 March 2024
4401:
4400:
4396:
4386:
4384:
4375:
4374:
4370:
4360:
4358:
4349:
4348:
4344:
4331:
4330:
4326:
4316:
4314:
4304:
4300:
4269:
4265:
4255:
4253:
4245:
4244:
4240:
4230:
4228:
4219:
4218:
4214:
4204:
4202:
4201:. 9 August 2023
4193:
4192:
4188:
4178:
4176:
4166:
4162:
4131:
4127:
4117:
4115:
4102:
4101:
4097:
4087:
4085:
4068:
4067:
4063:
4053:
4051:
4041:
4037:
4027:
4025:
4016:
4015:
4011:
4001:
3999:
3990:
3989:
3985:
3975:
3973:
3964:
3963:
3959:
3912:
3908:
3877:(10): 828–832.
3863:
3859:
3812:
3808:
3798:
3796:
3786:
3782:
3737:
3733:
3723:
3721:
3712:
3711:
3704:
3694:
3692:
3683:
3682:
3675:
3665:
3663:
3654:
3653:
3646:
3636:
3634:
3623:
3622:
3618:
3608:
3606:
3596:
3592:
3582:
3580:
3571:
3570:
3561:
3520:(4): e0153003.
3506:
3502:
3490:
3486:
3476:
3474:
3465:
3464:
3460:
3450:
3448:
3439:
3438:
3434:
3389:
3385:
3340:
3336:
3326:
3324:
3314:
3310:
3262:
3258:
3213:
3209:
3164:
3160:
3150:
3148:
3139:
3138:
3134:
3124:
3122:
3121:. 26 March 2021
3113:
3112:
3108:
3098:
3096:
3087:
3086:
3082:
3072:
3070:
3059:
3052:
3042:
3040:
3039:. 20 March 2019
3031:
3030:
3026:
3003:
2999:
2989:
2987:
2979:
2978:
2971:
2934:
2930:
2915:
2911:
2878:
2874:
2829:
2825:
2778:
2769:
2722:
2713:
2668:
2659:
2614:
2605:
2595:
2593:
2584:
2583:
2574:
2564:
2562:
2552:
2543:
2498:
2487:
2442:
2438:
2428:
2426:
2413:
2412:
2399:
2361:
2360:
2356:
2346:
2344:
2335:
2334:
2330:
2320:
2318:
2310:
2309:
2302:
2257:
2253:
2243:
2241:
2232:
2231:
2227:
2180:
2176:
2166:
2164:
2151:
2150:
2143:
2098:
2094:
2057:
2053:
2043:
2041:
2032:
2031:
2027:
2020:
2004:
1997:
1987:
1985:
1975:
1971:
1961:
1959:
1950:
1949:
1945:
1935:
1933:
1924:
1923:
1919:
1874:
1870:
1860:
1858:
1849:
1848:
1841:
1831:
1829:
1820:
1819:
1812:
1802:
1800:
1791:
1790:
1786:
1776:
1774:
1764:
1760:
1750:
1748:
1738:
1734:
1724:
1722:
1714:
1713:
1709:
1699:
1697:
1687:
1683:
1638:
1634:
1587:
1583:
1573:
1571:
1562:
1561:
1554:
1531:
1505:
1501:
1491:
1489:
1481:
1480:
1469:
1459:
1457:
1444:
1443:
1439:
1435:
1418:
1369:
1345:Sturnira lilium
1337:
1331:
1322:
1316:
1307:incubation time
1303:
1297:
1288:
1286:Swine influenza
1282:
1246:
1235:act as natural
1229:
1227:Avian influenza
1223:
1218:
1210:swine influenza
1183:
1178:
1172:
1164:Antiviral drugs
1156:
1150:
1135:
1129:
1124:
1074:
1019:
1013:
985:
951:
870:
856:
851:
810:the viral RNA.
559:
544:Envelope - The
533:
529:
508:
495:
489:
473:
469:
462:
454:
447:
439:
433:
429:
425:
421:
415:
408:
394:
351:
335:
330:
294:swine influenza
193:
153:Articulavirales
141:Insthoviricetes
129:Negarnaviricota
76:
28:
23:
22:
15:
12:
11:
5:
7373:
7363:
7362:
7357:
7352:
7335:
7334:
7332:
7331:
7318:
7305:
7292:
7279:
7266:
7251:
7235:
7233:
7227:
7226:
7214:
7213:
7201:
7178:
7177:
7175:
7174:
7173:
7172:
7160:
7152:
7150:
7144:
7143:
7140:
7139:
7137:
7136:
7128:
7126:
7120:
7119:
7117:
7116:
7104:
7092:
7080:
7068:
7061:
7055:
7054:
7042:
7036:
7034:
7028:
7027:
7025:
7024:
7017:
7010:
7003:
6991:
6985:
6984:
6983:
6982:
6970:
6964:
6962:
6951:
6950:
6948:
6947:
6946:
6945:
6933:
6932:
6931:
6918:
6916:
6903:
6895:
6894:
6891:
6890:
6888:
6887:
6880:
6873:
6872:
6871:
6851:
6850:
6849:
6848:
6809:
6808:
6807:
6806:
6794:
6793:
6792:
6780:
6779:
6778:
6766:
6765:
6764:
6732:
6730:
6724:
6723:
6721:
6720:
6713:
6712:
6711:
6694:
6692:
6683:
6665:
6664:
6662:
6661:
6660:
6659:
6654:
6641:
6639:
6637:Cardiovascular
6633:
6632:
6629:
6628:
6626:
6625:
6624:
6623:
6611:
6610:
6609:
6596:
6594:
6588:
6587:
6585:
6584:
6583:
6582:
6570:
6569:
6568:
6563:
6550:
6548:
6542:
6541:
6539:
6538:
6533:
6528:
6523:
6522:
6521:
6509:
6508:
6507:
6494:
6489:
6488:
6487:
6475:
6474:
6473:
6461:
6455:
6454:
6453:
6452:
6440:
6434:
6432:
6418:
6416:nervous system
6410:
6409:
6407:
6406:
6405:
6404:
6391:
6389:
6383:
6382:
6380:
6379:
6378:
6377:
6365:
6364:
6363:
6358:
6346:
6340:
6339:
6338:
6337:
6325:
6324:
6323:
6318:
6313:
6308:
6303:
6291:
6290:
6289:
6277:
6276:
6275:
6270:
6268:Vaginal cancer
6265:
6260:
6255:
6250:
6238:
6237:
6236:
6224:
6218:
6216:
6210:
6209:
6198:
6197:
6190:
6183:
6175:
6166:
6165:
6163:
6162:
6156:
6154:
6150:
6149:
6147:
6146:
6141:
6136:
6131:
6126:
6121:
6116:
6111:
6105:
6103:
6097:
6096:
6094:
6093:
6088:
6083:
6078:
6073:
6068:
6063:
6058:
6053:
6048:
6043:
6038:
6032:
6030:
6024:
6023:
6021:
6020:
6015:
6010:
6005:
5999:
5997:
5991:
5990:
5983:
5982:
5975:
5968:
5960:
5951:
5950:
5948:
5947:
5942:
5937:
5931:
5929:
5928:Related topics
5925:
5924:
5922:
5921:
5916:
5911:
5906:
5901:
5896:
5891:
5886:
5880:
5878:
5872:
5871:
5868:
5867:
5865:
5864:
5859:
5853:
5851:
5847:
5846:
5844:
5843:
5838:
5837:
5836:
5826:
5821:
5815:
5813:
5806:
5802:
5801:
5798:
5797:
5795:
5794:
5789:
5788:
5787:
5776:
5774:
5768:
5767:
5765:
5764:
5759:
5754:
5749:
5744:
5739:
5734:
5729:
5723:
5721:
5712:
5707:
5704:
5703:
5700:
5699:
5697:
5696:
5691:
5686:
5681:
5675:
5673:
5667:
5666:
5664:
5663:
5658:
5653:
5650:(experimental)
5645:
5644:
5643:
5638:
5633:
5628:
5618:
5617:
5616:
5611:
5600:
5598:
5589:
5583:
5582:
5579:
5578:
5576:
5575:
5569:
5567:
5560:
5554:
5553:
5550:
5549:
5547:
5546:
5541:
5536:
5531:
5530:
5529:
5519:
5514:
5509:
5503:
5501:
5497:
5496:
5494:
5493:
5491:2020s outbreak
5488:
5483:
5478:
5473:
5471:Croatia (2005)
5467:
5465:
5458:
5452:
5451:
5448:
5447:
5445:
5444:
5438:
5436:
5432:
5431:
5429:
5428:
5423:
5418:
5412:
5410:
5401:
5395:
5394:
5392:
5391:
5386:
5381:
5376:
5371:
5366:
5361:
5356:
5351:
5346:
5341:
5336:
5331:
5326:
5321:
5316:
5311:
5306:
5301:
5296:
5291:
5286:
5281:
5276:
5271:
5266:
5260:
5258:
5253:
5250:
5249:
5247:
5246:
5241:
5236:
5231:
5226:
5220:
5218:
5214:
5213:
5211:
5210:
5205:
5203:Superinfection
5200:
5195:
5190:
5185:
5180:
5174:
5172:
5171:General topics
5168:
5167:
5160:
5159:
5152:
5145:
5137:
5131:
5130:
5124:
5111:
5105:
5092:
5087:
5081:
5066:
5057:
5044:
5038:
4999:
4994:
4977:
4976:
4972:
4971:
4965:
4948:
4947:
4942:
4939:
4937:
4936:
4925:. Geneva. 2017
4897:
4848:
4821:(4): 572–579.
4805:
4779:
4722:
4685:PLOS Pathogens
4671:
4634:
4609:
4584:
4555:(1): a038562.
4535:
4504:
4478:
4445:
4420:
4394:
4368:
4357:. 15 June 2017
4342:
4324:
4298:
4263:
4238:
4212:
4186:
4160:
4141:(8): 987–997.
4125:
4095:
4061:
4035:
4009:
3983:
3970:efsa.europa.eu
3957:
3906:
3857:
3806:
3780:
3751:(3): 444–452.
3731:
3720:. 29 July 2020
3702:
3673:
3662:. 29 July 2020
3644:
3616:
3590:
3559:
3500:
3484:
3458:
3447:. 15 June 2017
3432:
3403:(1): 152–179.
3383:
3334:
3308:
3256:
3207:
3158:
3132:
3106:
3095:. 11 June 2019
3080:
3050:
3024:
2997:
2969:
2928:
2909:
2872:
2823:
2767:
2711:
2657:
2603:
2572:
2541:
2485:
2436:
2397:
2354:
2343:. 17 June 2024
2328:
2300:
2251:
2225:
2188:PLOS Pathogens
2174:
2141:
2112:(2): 396–400.
2092:
2071:(3): 461–468.
2051:
2025:
2018:
1995:
1969:
1943:
1932:. 12 June 2024
1917:
1868:
1839:
1810:
1784:
1758:
1732:
1707:
1681:
1632:
1581:
1552:
1529:
1499:
1467:
1436:
1434:
1431:
1430:
1429:
1424:
1417:
1414:
1413:
1412:
1404:
1396:
1392:
1388:
1368:
1365:
1333:Main article:
1330:
1327:
1318:Main article:
1315:
1312:
1299:Main article:
1296:
1293:
1284:Main article:
1281:
1278:
1245:
1242:
1225:Main article:
1222:
1219:
1217:
1214:
1182:
1179:
1174:Main article:
1171:
1168:
1152:Main article:
1149:
1146:
1131:Main article:
1128:
1125:
1123:
1120:
1073:
1070:
1069:
1068:
1065:
1062:
1058:
1015:Main article:
1012:
1009:
984:
981:
950:
947:
855:
852:
850:
847:
794:
793:
790:
786:
785:
782:
777:
774:
770:
769:
766:proton channel
762:
756:
755:
745:
740:
737:
733:
732:
726:
721:
718:
714:
713:
698:
693:
690:
686:
685:
682:
677:
674:
670:
669:
656:Arises from a
654:
651:
649:
646:
645:
642:
639:
636:
632:
631:
628:
624:
623:
614:
611:
608:
604:
603:
589:
586:
583:
579:
578:
575:
572:
569:
558:
555:
546:viral envelope
531:
527:
512:negative-sense
507:
504:
488:
485:
484:
483:
482:
481:
460:
459:
458:
445:
444:
443:
437:
422:Rio de Janeiro
419:
393:
390:
361:There are two
350:
347:
334:
333:Classification
331:
329:
326:
282:conjunctivitis
263:viral envelope
245:negative-sense
195:
194:
187:
185:
181:
180:
173:
169:
168:
161:
157:
156:
149:
145:
144:
137:
133:
132:
125:
121:
120:
113:
109:
108:
101:
94:
93:
88:
84:
83:
70:
69:
62:
61:
53:
52:
48:
47:
39:
38:
26:
9:
6:
4:
3:
2:
7372:
7361:
7358:
7356:
7353:
7351:
7348:
7347:
7345:
7328:
7323:
7319:
7315:
7310:
7306:
7302:
7297:
7293:
7289:
7284:
7280:
7276:
7271:
7267:
7262:
7256:
7252:
7247:
7241:
7237:
7236:
7234:
7232:
7228:
7224:
7219:
7212:
7207:
7202:
7200:
7190:
7189:
7186:
7171:
7168:
7167:
7166:
7165:
7161:
7159:
7158:
7154:
7153:
7151:
7149:
7145:
7135:
7134:
7130:
7129:
7127:
7125:
7121:
7114:
7110:
7109:
7105:
7102:
7098:
7097:
7093:
7090:
7086:
7085:
7081:
7078:
7074:
7073:
7069:
7067:
7066:
7062:
7060:
7057:
7056:
7052:
7048:
7047:
7043:
7041:
7038:
7037:
7035:
7033:
7029:
7023:
7022:
7018:
7016:
7015:
7011:
7009:
7008:
7004:
7001:
6997:
6996:
6992:
6990:
6987:
6986:
6981:
6978:
6977:
6976:
6975:
6971:
6969:
6966:
6965:
6963:
6961:
6956:
6952:
6944:
6941:
6940:
6939:
6938:
6934:
6930:
6927:
6926:
6925:
6924:
6920:
6919:
6917:
6915:
6911:
6907:
6904:
6902:
6896:
6886:
6885:
6881:
6879:
6878:
6874:
6870:
6869:Parainfluenza
6867:
6866:
6865:
6864:
6859:
6858:
6853:
6852:
6847:
6843:
6840:
6839:
6838:
6837:
6833:
6829:
6825:
6820:
6819:
6814:
6811:
6810:
6805:
6802:
6801:
6800:
6799:
6795:
6791:
6788:
6787:
6786:
6785:
6781:
6777:
6774:
6773:
6772:
6771:
6767:
6763:
6760:
6759:
6758:
6757:
6753:
6749:
6745:
6742:
6737:
6734:
6733:
6731:
6729:
6725:
6719:
6718:
6714:
6710:
6706:
6705:EBV infection
6703:
6702:
6701:
6700:
6696:
6695:
6693:
6691:
6687:
6684:
6682:
6677:
6670:
6666:
6658:
6655:
6653:
6650:
6649:
6648:
6647:
6643:
6642:
6640:
6638:
6634:
6622:
6619:
6618:
6617:
6616:
6612:
6608:
6605:
6604:
6603:
6602:
6598:
6597:
6595:
6593:
6589:
6581:
6578:
6577:
6576:
6575:
6571:
6567:
6564:
6562:
6561:Poliomyelitis
6559:
6558:
6557:
6556:
6552:
6551:
6549:
6547:
6543:
6537:
6534:
6532:
6529:
6527:
6524:
6520:
6517:
6516:
6515:
6514:
6510:
6506:
6503:
6502:
6500:
6499:
6495:
6493:
6490:
6486:
6483:
6482:
6481:
6480:
6476:
6472:
6469:
6468:
6467:
6466:
6462:
6460:
6457:
6456:
6451:
6448:
6447:
6446:
6445:
6441:
6439:
6436:
6435:
6433:
6431:
6426:
6422:
6419:
6417:
6411:
6403:
6400:
6399:
6398:
6397:
6393:
6392:
6390:
6388:
6384:
6376:
6373:
6372:
6371:
6370:
6366:
6362:
6359:
6357:
6354:
6353:
6352:
6351:
6347:
6345:
6342:
6341:
6336:
6333:
6332:
6331:
6330:
6326:
6322:
6319:
6317:
6314:
6312:
6309:
6307:
6304:
6302:
6299:
6298:
6297:
6296:
6292:
6288:
6285:
6284:
6283:
6282:
6278:
6274:
6271:
6269:
6266:
6264:
6263:Vulvar cancer
6261:
6259:
6258:Penile cancer
6256:
6254:
6251:
6249:
6246:
6245:
6244:
6243:
6239:
6235:
6232:
6231:
6230:
6229:
6225:
6223:
6220:
6219:
6217:
6215:
6211:
6207:
6203:
6196:
6191:
6189:
6184:
6182:
6177:
6176:
6173:
6161:
6158:
6157:
6155:
6151:
6145:
6142:
6140:
6137:
6135:
6132:
6130:
6127:
6125:
6122:
6120:
6117:
6115:
6114:Bronchiolitis
6112:
6110:
6107:
6106:
6104:
6102:
6101:Complications
6098:
6092:
6089:
6087:
6084:
6082:
6079:
6077:
6074:
6072:
6069:
6067:
6064:
6062:
6059:
6057:
6054:
6052:
6049:
6047:
6044:
6042:
6039:
6037:
6034:
6033:
6031:
6029:
6025:
6019:
6016:
6014:
6011:
6009:
6006:
6004:
6001:
6000:
5998:
5996:
5992:
5988:
5981:
5976:
5974:
5969:
5967:
5962:
5961:
5958:
5946:
5943:
5941:
5938:
5936:
5933:
5932:
5930:
5926:
5920:
5917:
5915:
5912:
5910:
5907:
5905:
5902:
5900:
5897:
5895:
5892:
5890:
5889:Bronchiolitis
5887:
5885:
5882:
5881:
5879:
5877:
5876:Complications
5873:
5863:
5862:Fujian (H5N1)
5860:
5858:
5855:
5854:
5852:
5848:
5842:
5839:
5835:
5832:
5831:
5830:
5827:
5825:
5822:
5820:
5817:
5816:
5814:
5810:
5807:
5803:
5793:
5790:
5786:
5783:
5782:
5781:
5778:
5777:
5775:
5773:
5769:
5763:
5760:
5758:
5755:
5753:
5750:
5748:
5745:
5743:
5740:
5738:
5735:
5733:
5730:
5728:
5725:
5724:
5722:
5720:
5716:
5713:
5708:Pandemics and
5705:
5695:
5692:
5690:
5687:
5685:
5682:
5680:
5677:
5676:
5674:
5672:
5668:
5662:
5659:
5657:
5654:
5652:
5646:
5642:
5639:
5637:
5634:
5632:
5629:
5627:
5624:
5623:
5622:
5619:
5615:
5612:
5610:
5607:
5606:
5605:
5602:
5601:
5599:
5597:
5593:
5590:
5588:
5584:
5574:
5571:
5570:
5568:
5564:
5561:
5559:
5555:
5545:
5542:
5540:
5539:Social impact
5537:
5535:
5532:
5528:
5525:
5524:
5523:
5520:
5518:
5517:Global spread
5515:
5513:
5510:
5508:
5505:
5504:
5502:
5498:
5492:
5489:
5487:
5484:
5482:
5479:
5477:
5474:
5472:
5469:
5468:
5466:
5462:
5459:
5457:
5453:
5443:
5440:
5439:
5437:
5433:
5427:
5424:
5422:
5419:
5417:
5414:
5413:
5411:
5409:
5405:
5402:
5400:
5396:
5390:
5387:
5385:
5382:
5380:
5377:
5375:
5372:
5370:
5367:
5365:
5362:
5360:
5357:
5355:
5352:
5350:
5347:
5345:
5342:
5340:
5337:
5335:
5332:
5330:
5327:
5325:
5322:
5320:
5317:
5315:
5312:
5310:
5307:
5305:
5302:
5300:
5297:
5295:
5292:
5290:
5287:
5285:
5282:
5280:
5277:
5275:
5272:
5270:
5267:
5265:
5262:
5261:
5259:
5251:
5245:
5242:
5240:
5237:
5235:
5232:
5230:
5227:
5225:
5222:
5221:
5219:
5215:
5209:
5206:
5204:
5201:
5199:
5196:
5194:
5191:
5189:
5186:
5184:
5181:
5179:
5176:
5175:
5173:
5169:
5165:
5158:
5153:
5151:
5146:
5144:
5139:
5138:
5135:
5127:
5121:
5117:
5112:
5108:
5102:
5098:
5093:
5091:
5088:
5084:
5078:
5074:
5073:
5067:
5064:
5060:
5058:0-309-09504-2
5054:
5050:
5045:
5042:
5039:
5035:
5031:
5027:
5023:
5018:
5013:
5009:
5005:
5000:
4998:
4995:
4993:
4992:
4988:
4985:
4984:
4982:
4974:
4973:
4969:
4966:
4963:
4959:
4956:
4955:
4953:
4945:
4944:
4924:
4920:
4914:
4912:
4910:
4908:
4906:
4904:
4902:
4893:
4889:
4884:
4879:
4875:
4871:
4867:
4863:
4859:
4852:
4844:
4840:
4836:
4832:
4828:
4824:
4820:
4816:
4809:
4793:
4789:
4783:
4775:
4771:
4767:
4763:
4758:
4753:
4749:
4745:
4741:
4737:
4733:
4726:
4718:
4714:
4709:
4704:
4699:
4694:
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4458:
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4450:
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4424:
4408:
4404:
4398:
4382:
4378:
4372:
4356:
4352:
4346:
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4334:
4328:
4313:
4309:
4302:
4294:
4290:
4286:
4282:
4278:
4274:
4267:
4252:
4248:
4242:
4226:
4222:
4216:
4200:
4196:
4190:
4175:
4171:
4164:
4156:
4152:
4148:
4144:
4140:
4136:
4129:
4113:
4109:
4105:
4099:
4083:
4079:
4077:
4071:
4065:
4050:
4046:
4039:
4023:
4019:
4013:
3998:. 3 June 2024
3997:
3993:
3987:
3971:
3967:
3961:
3953:
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3876:
3872:
3868:
3861:
3853:
3849:
3844:
3839:
3834:
3829:
3825:
3821:
3820:Critical Care
3817:
3810:
3795:
3791:
3784:
3776:
3772:
3767:
3762:
3758:
3754:
3750:
3746:
3742:
3735:
3719:
3715:
3709:
3707:
3691:. 23 May 2023
3690:
3686:
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3657:
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3323:
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3306:
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3297:
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3287:
3283:
3279:
3275:
3271:
3267:
3260:
3252:
3248:
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3234:
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3222:
3218:
3211:
3203:
3199:
3194:
3189:
3185:
3181:
3177:
3173:
3169:
3162:
3146:
3142:
3136:
3120:
3116:
3110:
3094:
3090:
3084:
3068:
3064:
3057:
3055:
3038:
3034:
3028:
3020:
3016:
3012:
3008:
3001:
2986:
2982:
2976:
2974:
2965:
2961:
2956:
2951:
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2939:
2932:
2924:
2920:
2913:
2904:
2899:
2895:
2891:
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2876:
2868:
2864:
2859:
2854:
2850:
2846:
2842:
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2819:
2815:
2810:
2805:
2800:
2795:
2791:
2787:
2783:
2776:
2774:
2772:
2763:
2759:
2754:
2749:
2744:
2739:
2735:
2731:
2727:
2720:
2718:
2716:
2707:
2703:
2698:
2693:
2689:
2685:
2681:
2677:
2673:
2666:
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2653:
2649:
2644:
2639:
2635:
2631:
2627:
2623:
2619:
2612:
2610:
2608:
2592:. 13 May 2010
2591:
2587:
2581:
2579:
2577:
2561:
2557:
2550:
2548:
2546:
2537:
2533:
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2503:
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2477:
2472:
2467:
2463:
2459:
2455:
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2416:
2410:
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2402:
2394:
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2368:
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2342:
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2332:
2317:
2313:
2307:
2305:
2296:
2292:
2287:
2282:
2278:
2274:
2270:
2266:
2262:
2255:
2239:
2235:
2229:
2221:
2217:
2212:
2207:
2202:
2197:
2193:
2189:
2185:
2178:
2162:
2158:
2154:
2148:
2146:
2137:
2133:
2128:
2123:
2119:
2115:
2111:
2107:
2103:
2096:
2088:
2084:
2079:
2074:
2070:
2066:
2062:
2055:
2039:
2035:
2029:
2021:
2019:9780810878587
2015:
2011:
2010:
2002:
2000:
1984:
1980:
1973:
1958:. 5 June 2023
1957:
1953:
1947:
1931:
1927:
1921:
1913:
1909:
1904:
1899:
1895:
1891:
1887:
1883:
1879:
1872:
1856:
1852:
1846:
1844:
1827:
1823:
1817:
1815:
1798:
1794:
1788:
1773:
1769:
1762:
1747:
1743:
1736:
1721:
1717:
1711:
1696:
1692:
1685:
1677:
1673:
1668:
1663:
1659:
1655:
1651:
1647:
1643:
1636:
1628:
1624:
1619:
1614:
1609:
1604:
1600:
1596:
1592:
1585:
1570:. 13 May 2024
1569:
1565:
1559:
1557:
1548:
1544:
1540:
1536:
1532:
1526:
1522:
1518:
1514:
1510:
1503:
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1474:
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1455:
1451:
1447:
1441:
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1425:
1423:
1420:
1419:
1410:
1405:
1402:
1397:
1393:
1389:
1386:
1382:
1381:
1380:
1378:
1373:
1364:
1362:
1358:
1354:
1350:
1346:
1342:
1336:
1335:Bat influenza
1326:
1321:
1311:
1308:
1302:
1292:
1287:
1277:
1275:
1270:
1268:
1264:
1260:
1256:
1252:
1241:
1238:
1234:
1233:aquatic birds
1228:
1216:Other animals
1213:
1211:
1207:
1202:
1200:
1196:
1187:
1177:
1167:
1165:
1161:
1160:immune system
1155:
1145:
1143:
1139:
1134:
1119:
1117:
1113:
1109:
1105:
1100:
1097:
1095:
1091:
1087:
1083:
1079:
1066:
1063:
1059:
1056:
1055:
1054:
1051:
1049:
1045:
1041:
1037:
1033:
1027:
1023:
1018:
1008:
1006:
1001:
997:
993:
991:
980:
977:
973:
968:
964:
960:
956:
946:
944:
940:
936:
930:
928:
927:
922:
921:
915:
913:
911:
910:Hong Kong flu
906:
905:
900:
899:
889:
885:
883:
879:
874:
869:
860:
846:
844:
840:
836:
834:
830:
826:
823:
819:
818:cap-snatching
815:
811:
809:
805:
801:
791:
788:
787:
783:
781:
778:
771:
767:
763:
761:
758:
757:
754:
750:
746:
744:
741:
734:
731:
727:
725:
722:
719:
716:
715:
712:
709:
707:
706:
699:
697:
694:
691:
688:
687:
683:
681:
678:
675:
672:
671:
667:
663:
659:
655:
652:
650:
648:
647:
643:
640:
637:
634:
633:
629:
626:
625:
622:
621:
615:
612:
605:
602:
600:
594:
590:
587:
584:
581:
580:
576:
573:
570:
567:
566:
563:
554:
552:
547:
542:
540:
535:
523:
521:
517:
513:
499:
494:
479:
467:
466:
461:
452:
451:
446:
438:
420:
414:The starting
413:
412:
407:
406:
405:
403:
399:
389:
385:
383:
379:
375:
374:neuraminidase
371:
370:hemagglutinin
367:
364:
355:
346:
344:
340:
325:
323:
319:
314:
310:
306:
302:
297:
295:
291:
287:
283:
279:
275:
270:
268:
264:
259:
257:
253:
249:
246:
243:
238:
236:
232:
228:
224:
220:
219:
214:
211:
207:
203:
202:
192:
191:
186:
183:
182:
179:
178:
174:
171:
170:
167:
166:
162:
159:
158:
155:
154:
150:
147:
146:
143:
142:
138:
135:
134:
131:
130:
126:
123:
122:
119:
118:
117:Orthornavirae
114:
111:
110:
107:
106:
102:
99:
96:
95:
92:
89:
86:
85:
80:
75:
71:
67:
63:
59:
54:
49:
45:
40:
37:
33:
30:
19:
7230:
7162:
7155:
7131:
7124:Pancreatitis
7106:
7094:
7082:
7070:
7063:
7044:
7019:
7012:
7005:
6993:
6972:
6935:
6921:
6882:
6875:
6861:
6855:
6823:
6822:
6816:
6796:
6782:
6768:
6739:
6715:
6697:
6652:Pericarditis
6644:
6613:
6599:
6572:
6553:
6511:
6496:
6477:
6463:
6442:
6425:Encephalitis
6394:
6367:
6348:
6327:
6293:
6279:
6240:
6226:
6144:Strep throat
6124:Otitis media
6066:Muscle aches
5919:Strep throat
5899:Otitis media
5476:India (2006)
5228:
5198:Reassortment
5115:
5096:
5071:
5062:
5048:
5007:
5003:
4989:
4927:. Retrieved
4922:
4865:
4861:
4851:
4818:
4814:
4808:
4796:. Retrieved
4782:
4739:
4735:
4725:
4688:
4684:
4674:
4662:. Retrieved
4650:
4646:
4637:
4625:. Retrieved
4621:
4612:
4600:. Retrieved
4596:
4587:
4552:
4548:
4538:
4526:. Retrieved
4521:
4495:. Retrieved
4491:
4481:
4469:. Retrieved
4465:the original
4460:
4436:. Retrieved
4432:
4423:
4411:. Retrieved
4406:
4397:
4385:. Retrieved
4380:
4371:
4359:. Retrieved
4354:
4345:
4336:
4327:
4315:. Retrieved
4311:
4301:
4279:(1): 19–38.
4276:
4272:
4266:
4254:. Retrieved
4250:
4241:
4229:. Retrieved
4224:
4215:
4203:. Retrieved
4198:
4189:
4177:. Retrieved
4173:
4163:
4138:
4134:
4128:
4116:. Retrieved
4098:
4086:. Retrieved
4073:
4064:
4052:. Retrieved
4048:
4038:
4026:. Retrieved
4021:
4012:
4000:. Retrieved
3995:
3986:
3974:. Retrieved
3969:
3960:
3923:
3919:
3909:
3874:
3870:
3860:
3823:
3819:
3809:
3797:. Retrieved
3793:
3783:
3748:
3744:
3734:
3722:. Retrieved
3717:
3693:. Retrieved
3688:
3664:. Retrieved
3659:
3635:. Retrieved
3628:
3619:
3607:. Retrieved
3603:
3593:
3581:. Retrieved
3576:
3517:
3513:
3503:
3495:
3487:
3475:. Retrieved
3470:
3461:
3449:. Retrieved
3444:
3435:
3400:
3396:
3386:
3351:
3347:
3337:
3325:. Retrieved
3321:
3311:
3304:
3273:
3269:
3259:
3224:
3220:
3210:
3175:
3171:
3161:
3149:. Retrieved
3144:
3135:
3123:. Retrieved
3118:
3109:
3097:. Retrieved
3092:
3083:
3071:. Retrieved
3066:
3041:. Retrieved
3036:
3027:
3010:
3006:
3000:
2988:. Retrieved
2984:
2945:
2941:
2931:
2922:
2912:
2885:
2875:
2840:
2836:
2826:
2789:
2785:
2733:
2729:
2679:
2675:
2625:
2621:
2594:. Retrieved
2589:
2563:. Retrieved
2560:News-Medical
2559:
2509:
2505:
2453:
2449:
2439:
2427:. Retrieved
2418:
2392:
2370:
2366:
2357:
2345:. Retrieved
2340:
2331:
2319:. Retrieved
2315:
2271:(1): 28–41.
2268:
2264:
2254:
2242:. Retrieved
2237:
2228:
2191:
2187:
2177:
2165:. Retrieved
2109:
2105:
2095:
2068:
2064:
2054:
2042:. Retrieved
2037:
2028:
2008:
1986:. Retrieved
1982:
1972:
1960:. Retrieved
1955:
1946:
1934:. Retrieved
1929:
1920:
1888:(1): 74–84.
1885:
1881:
1871:
1859:. Retrieved
1854:
1830:. Retrieved
1825:
1801:. Retrieved
1796:
1787:
1775:. Retrieved
1771:
1761:
1749:. Retrieved
1745:
1735:
1723:. Retrieved
1719:
1710:
1698:. Retrieved
1694:
1684:
1652:(1): 28–41.
1649:
1645:
1635:
1598:
1594:
1584:
1572:. Retrieved
1567:
1512:
1502:
1490:. Retrieved
1486:
1458:. Retrieved
1449:
1440:
1374:
1370:
1356:
1344:
1338:
1323:
1304:
1289:
1271:
1267:asymptomatic
1258:
1254:
1250:
1247:
1230:
1203:
1192:
1157:
1141:
1140:
1136:
1101:
1098:
1075:
1052:
1031:
1030:
1025:
1011:Seasonal flu
988:
986:
983:Surveillance
967:reassortment
961:facilitates
952:
931:
924:
918:
916:
908:
902:
896:
894:
875:
871:
849:Epidemiology
838:
837:
813:
812:
797:
752:
729:
710:
703:
701:
668:production.
617:
596:
568:RNA Segment
560:
543:
536:
524:
519:
509:
474:A(H1N1)pdm09
401:
395:
386:
360:
336:
298:
278:muscle aches
271:
260:
256:reassortment
254:and genetic
239:
235:seasonal flu
216:
212:
200:
199:
198:
189:
188:
176:
175:
164:
152:
140:
128:
116:
104:
97:
87:(unranked):
35:
29:
7255:Wikispecies
7021:Coronavirus
6762:Common cold
6674:acute viral
6657:Myocarditis
6501:(probable)
6253:Anal cancer
6129:Pharyngitis
6086:Sore throat
6013:Enterovirus
6008:Coronavirus
5987:Common cold
5904:Pharyngitis
5850:Non-mammals
5631:Laninamivir
5626:Oseltamivir
5614:Rimantadine
5442:2009 A/H1N1
5244:Influenza D
5239:Influenza C
5234:Influenza B
5229:Influenza A
4488:"Horse Flu"
4247:"Avian flu"
3867:"Influenza"
3496:www.cdc.gov
2985:www.flu.com
2792:: 1323560.
2618:"Influenza"
1601:(8): 1650.
1084:(such as a
1040:Influenza B
965:by segment
955:RNA viruses
898:Spanish flu
882:Middle Ages
878:Hippocrates
843:RNA viruses
343:host animal
301:biosecurity
274:sore throat
7344:Categories
7148:Urogenital
7014:Astrovirus
6974:Adenovirus
6798:SARS-CoV-2
6555:Poliovirus
6430:meningitis
6076:Rhinorrhea
6018:Rhinovirus
6003:Adenovirus
5656:Umifenovir
5648:Peramivir
5609:Amantadine
5587:Treatments
5208:Flu season
4471:4 December
4088:24 January
3826:(1): 214.
3625:"zoonosis"
1446:"Taxonomy"
1433:References
1249:strain is
1199:runny nose
1048:subtropics
1032:Flu season
1017:Flu season
866:See also:
804:transcribe
747:Forms the
705:importin-α
666:interferon
593:polymerase
516:RNA genome
491:See also:
472:, it uses
240:IAV is an
221:. It is a
7059:RNA virus
7040:DNA virus
7032:Hepatitis
7007:Norovirus
6995:Rotavirus
6989:RNA virus
6968:DNA virus
6914:Esophagus
6842:Influenza
6728:RNA virus
6690:DNA virus
6459:RNA virus
6438:DNA virus
6344:RNA virus
6222:DNA virus
6214:Oncovirus
6139:Sinusitis
6134:Pneumonia
5914:Sinusitis
5909:Pneumonia
5805:Non-human
5772:Epidemics
5719:Pandemics
5710:epidemics
5689:Pandemrix
5641:Zanamivir
5636:Peramivir
5573:2020–2022
5566:Outbreaks
5481:UK (2007)
5464:Outbreaks
5408:Pandemics
5188:Treatment
5164:Influenza
5012:CiteSeerX
4774:202580293
3926:(1): 17.
2888:: 55–82.
2843:: 87–96.
1539:1940-6029
1409:modelling
1349:Guatemala
1176:influenza
1148:Treatment
1086:bacterium
1036:influenza
996:influenza
976:pandemics
943:spillover
926:Swine flu
920:H1N1pdm09
904:Asian flu
833:ribosomes
825:pre-mRNAs
808:replicate
577:Function
551:antigenic
506:Structure
432:(or just
363:antigenic
339:serotypes
313:influenza
305:antiviral
286:pneumonia
248:RNA virus
242:enveloped
229:and some
184:Species:
112:Kingdom:
105:Riboviria
7360:Zoonoses
7314:11460084
7301:10308782
7288:46700506
7240:Wikidata
7199:Medicine
7157:BK virus
6960:diarrhea
6804:COVID-19
6546:Myelitis
6091:Weakness
6081:Sneezing
6051:Headache
6028:Symptoms
5671:Vaccines
5256:subtypes
5178:Research
5034:16192482
4892:22967978
4843:26392163
4835:11576290
4798:24 March
4792:Archived
4766:31527796
4717:32298389
4579:31871238
4293:19618616
4155:15728170
4112:Archived
4082:Archived
3952:29370862
3901:32048225
3852:31189475
3775:38407173
3766:10902543
3637:29 March
3554:27119988
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