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Filariasis

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458: 374:. It is often accompanied by epididymitis and spermatic cord inflammation. Secondary bacterial infections are very common and are seen to be more severe in previously unexposed immigrants than in native residents. Chronic filarial disease develops gradually over the years. In most patients the lymphatic dilation does not present any physical symptoms. However, inflammatory responses to dying adult worms often lead to chronic lymphedema in the affected regions which then progresses to elephantiasis. 507:(IgG4). A very high plasma content of IgG4 has been recorded in asymptomatic patients of LF. Thus, the newer assays measuring IgG4 responses to crude filarial extracts or using fractions of parasite extracts have a better overall specificity but are not efficient in discriminating microfilaremic from amicrofilaremic serum donors. Assays which measure circulating antigen are expected to be better at measuring active infection because only living worms secrete circulating antigen. 281: 34: 574:
found that "there is good evidence" that albendazole itself does not contribute to the elimination of microfilaraemia or adult filarial worms, and thus is likely an unnecessary component of albendazole-ivermectin treatment. Diethylcarbamazine-medicated salt is effective in controlling lymphatic filariasis while maintaining its coverage at 90% in the community for six months.
474:, using the "gold standard" known as the finger prick test. The finger prick test draws blood from the capillaries of the finger tip; larger veins can be used for blood extraction, but strict windows of the time of day must be observed. Blood must be drawn at appropriate times, which reflect the feeding activities of the vector insects. Examples are 321:(Wb) belonging to the family Onchocercidae, accounts for more than 90% of the filarial infections worldwide. Its complete its life cycle in two hosts, man being the definitive host while the mosquitoes act as the intermediate host. The most common vectors that aid in transmission are Anopheles in Africa, 573:
and albendazole is also effective. Side effects of the drugs include nausea, vomiting, and headaches. All of these treatments are microfilaricides; they have no effect on the adult worms. While the drugs are critical for treatment of the individual, proper hygiene is also required. One review study
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Filarial diseases in humans offer prospects for elimination by means of vermicidal treatment. If the human link in the chain of infection can be broken, then notionally the disease could be wiped out in a season. In practice it is not so simple, and there are complications in that multiple species
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Recent evidence suggests that climate change has an influence in the spread of the parasitic disease and its vectors. Lymphatic filariasis has been the leading cause of permanent disfigurement and continues to be the second most common cause of long-term disability in the world, even after several
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populations. Searches carried out with available sequences from various worms revealed the presence of SXP-1 homologs in many other nematodes with substantial identities in sequence observed during pairwise comparisons. Some examples include O.volvulus (50% identity; Ov-SXP-1), Ascaris suum (43%;
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Rao, K. V., Eswaran, M., Ravi, V., Gnanasekhar, B., Narayanan, R. B., Kaliraj, P., Jayaraman, K., Marson, A., Raghavan, N., & Scott, A. L. (2000). The Wuchereria bancrofti orthologue of Brugia malayi SXP1 and the diagnosis of bancroftian filariasis. Molecular and Biochemical Parasitology,
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These commercial tests based on the above circulating antigens are also limited to successful detection of only adult bancroftian worms, making diagnosis only possible in later stages of infection when the therapeutics might no more show effect. A search for worm specific antigens was initiated
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SXP-1 that encoded for a polypeptide with a predicted molecular weight of 20.8 kDa. Wb-SXP was found to be 85 percent identical to the BmSXP polypeptide and differed along the C terminal where the former had an extra 29 amino acid long extension. The WbSXP-1 variant, where a stop codon has been
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In the year 2000, 199 million infection cases of lymphatic filariasis were predicted with 3.1 million cases in America and around 107 million in South East Asia, making up to 52% of the global cases coming from Bangladesh, India, Indonesia, and Myanmar combined. While the African nations that
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specific to the parasites have been tested. An Og4C3 monoclonal antibody-based ELISA and an immunochromatographic ( ICT) card test using the same monoclonal antibody have been tested. However, these commercial assays have certain issues with respect to stability, cost and specificity in field
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filariasis. The antigen was identified after screening the cDNA library of adult worms with serum from both amicrofilaremic and microfilaremic patients.The native SXP-1 antigen was present in extracts of microfilariae and adult worms and were seen to be not specific to any lifecycle stage.
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Individuals infected by filarial worms may be described as either "microfilaraemic" or "amicrofilaraemic", depending on whether microfilariae can be found in their peripheral blood. Filariasis is diagnosed in microfilaraemic cases primarily through direct observation of microfilariae in the
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mature and eventually migrate to the insect proboscis from where they get injected into the human skin. Here they travel through the dermis to the lymph organs and further mature into male and female worm forms for the next 6 to 12 months and finally reproduce to complete the cycle.
591:, which live inside the worm and seem to play a major role in both its reproduction and the development of the disease. This drug has shown signs of inhibiting the reproduction of the bacteria, further inducing sterility in the nematode. Clinical trials in June 2005 by the 1306:
Hoerauf A, Mand S, Fischer K, Kruppa T, Marfo-Debrekyei Y, Debrah AY, Pfarr KM, Adjei O, Buttner DW (2003), "Doxycycline as a novel strategy against bancroftian filariasis-depletion of Wolbachia endosymbionts from Wuchereria bancrofti and stop of microfilaria production",
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Filarial parasites are known to induce several immunoregulatory mechanisms like the activation of macrophages and T regulatory cells. It has been found that T regulatory cells play an essential role in how filarial worms modify the host immune response by producing
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Janardhan, S., Pandiaraja, P., Pandey, V., Karande, A., & Kaliraj, P. (2011). Development and characterization of monoclonal antibodies against WbSXP-1 for the detection of circulating filarial antigens. Journal of Helminthology, 85(1), 1–6.
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Hawking, F., & Garnham, P. C. C. (1997). The 24-hour periodicity of microfilariae: Biological mechanisms responsible for its production and control. Proceedings of the Royal Society of London. Series B. Biological Sciences, 169(1014), 59–76.
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rarely affects the genitals. Those who develop the chronic stages of elephantiasis are usually free from microfilariae (amicrofilaraemic), and often have adverse immunological reactions to the microfilariae, as well as the adult worms.
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Pastor, A. F., Silva, M. R., dos Santos, W. J. T., Rego, T., BrandĂŁo, E., de-Melo, Neto, O. P., & Rocha, A. (2021). Recombinant antigens used as diagnostic tools for lymphatic filariasis. Parasites & Vectors, 14(1), 474.
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Different trials were made to use the known drug at its maximum capacity in absence of new drugs. In a study from India, it was shown that a formulation of albendazole had better anti-filarial efficacy than albendazole itself.
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In past, one of the first successes in the efforts to improve sensitivity and specificity of filarial diagnostic tests was identification of the repeated sequences in the parasite genome. The advancement in technologies like
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Dissanayake, S., Xu, M., & Piessens, W. F. (1992). A cloned antigen for serological diagnosis of Wuchereria bancrofti microfilaremia with daytime blood samples. Molecular and Biochemical Parasitology, 56(2), 269–277.
449:), one of the leading causes of blindness in the world. Serous cavity filariasis presents with symptoms similar to subcutaneous filariasis, in addition to abdominal pain, because these worms are also deep-tissue dwellers. 637:
overlap in certain regions and double infections are common. This creates difficulties for routine mass treatment because people with onchocerciasis in particular react badly to treatment for lymphatic filariasis.
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in Asia (Zulfiqar et al., 2023). Female worms are ovoviviparous and can produce thousands of juveniles known as microfilariae, in infected humans. These are ingested by mosquitoes when they bite. The ingested
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Taylor MJ, Makunde WH, McGarry HF, Turner JD, Mand S, Hoerauf A (2005), "Macrofilaricidal activity after doxycycline treatment of Wuchereria bancrofti: a double-blind, randomised placebo-controlled trial",
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vector is the deer fly; daytime collection is preferred. This method of diagnosis is only relevant to microfilariae that use the blood as transport from the lungs to the skin. Some filarial worms, such as
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Microfilaria of Dirofilaria immitis (Heartworms) in a lymph node of a dog with lymphoma. This baby nematode is in a pillow of intermediate-to-large, immature lymphocytes, exhibiting multiple criteria of
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comprised around 21% of the cases showed a decrease in the trend over a period of 19 years from 2000 to 2018, studies still proved the global burden of infection to be concentrated in southeast Asia.
553:(29%; Ce-SXP-1).The presence of a number of invariant and conserved residues in all of these nematode-derived molecules suggests that Wb-SXP-1 is a member of a new protein family. 1263:
Gaur RL, Dixit S, Sahoo MK, Khanna M, Singh S, Murthy PK (April 2007). "Anti-filarial activity of novel formulations of albendazole against experimental brugian filariasis".
491:, produce microfilariae that do not use the blood; they reside in the skin only. For these worms, diagnosis relies upon skin snips and can be carried out at any time. 519:
applications. Moreover, it was seen that the ICT format showed 25% of microfilarial negative individuals as being positive for circulating filarial antigens.
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Harnett, W., Bradley, J. E., & Garate, T. (1998). Molecular and immunodiagnosis of human filarial nematode infections. Parasitology, 117 Suppl, S59-71.
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and underlying tissues—which was the first disease discovered to be transmitted by mosquito bites. Elephantiasis results when the parasites lodge in the
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often causes hydrocele and scrotal elephantiasis. Moreover, disruption of lymphatic vessels or aberrant drainage of lymph fluid often leads to
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stumps are affected less frequently. However, different species of filarial worms tend to affect different parts of the body;
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Lourens, G. B., & Ferrell, D. K. (2019). Lymphatic Filariasis. The Nursing Clinics of North America, 54(2), 181–192.
778: 2764: 499:(PCR) led to the development of various assays that made large scale surveys of parasitic prevalence much easier. 1214:
Adinarayanan S, Critchley J, Das PK, Gelband H, et al. (Cochrane Infectious Diseases Group) (January 2007).
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As an attempt to come up with immunodiagnostic test kits for detection of circulating filarial antigen, numerous
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Cases of acute inflammatory filariasis manifest 5 to 7 day episodes of fever along with inflammation of
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To identify a W. bancrofti-specific antigen, pastor et al., used the Bm SXP gene to screen against the
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was suggested for treating elephantiasis. Filarial parasites have symbiotic bacteria in the genus
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introduced at the amino acid position 153 has been shown to be widely distributed among different
2647: 2442: 2431: 2015: 1955: 1941: 1764: 1743: 922: 728:"Summer bleeding" is hemorrhagic subcutaneous nodules in the head and upper forelimbs, caused by 225: 2754: 2545: 2340: 2193: 1883: 1878: 1869: 1845: 1654: 108: 1558: 1491: 173: 2426: 1969: 1850: 1731: 1216:"Diethylcarbamazine (DEC)-medicated salt for community-based control of lymphatic filariasis" 1646: 1076:
Taylor MJ, Hoerauf A, Bockarie M (October 2010). "Lymphatic filariasis and onchocerciasis".
2678: 2505: 2345: 2319: 2301: 2071: 860: 646: 403: 352: 185: 180: 98: 52: 43: 1167:"Albendazole alone or in combination with microfilaricidal drugs for lymphatic filariasis" 8: 2717: 2692: 2619: 2286: 2235: 1810: 1791: 1737: 1726: 1583: 272: 252: 236: 231: 121: 2578: 2564: 2470: 2450: 2420: 2280: 2255: 2155: 2105: 1996: 1927: 1830: 1375: 1332: 1288: 1240: 1215: 1191: 1166: 1101: 897:"Microfilaria of Dirofilaria immitis (Heartworms) Surrounded by Neoplastic Lymphocytes" 570: 258: 205:, including the lymph nodes; in chronic cases, these worms can lead to the syndrome of 126: 1592: 1588: 1441: 1424: 1363: 1089: 938: 1825: 1770: 1677: 1446: 1367: 1324: 1280: 1245: 1196: 1093: 942: 504: 386: 176:. These are divided into three groups according to the part of the body they affect: 59: 1379: 1336: 1292: 1105: 2611: 2604: 2484: 2098: 2066: 1627: 1436: 1359: 1316: 1272: 1235: 1231: 1227: 1186: 1182: 1178: 1147: 1085: 1028: 934: 364: 202: 613: 2438: 2352: 2090: 2040: 2035: 1933: 1918: 1857: 1756: 1642:
Page from the "Merck Veterinary Manual" on "Parafilaria multipapillosa" in horses
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Macfarlane CL, Budhathoki SS, Johnson S, Richardson M, Garner P (January 2019).
1012: 478:, whose vector is a mosquito; night is the preferred time for blood collection. 2570: 2533: 2478: 2293: 2272: 2241: 2199: 2078: 2027: 2006: 1975: 1947: 1890: 1817: 999: 815:"CDC - Lymphatic Filariasis - General Information - Frequently Asked Questions" 743: 446: 304: 244: 146: 136: 112: 87: 1320: 1276: 1151: 2738: 2557: 2538: 2312: 2307: 2058: 2046: 1797: 1681: 961: 832: 783: 421: 207: 197: 191: 1573: 986: 973: 2697: 2653: 2549: 2456: 2331: 1902: 1450: 1371: 1328: 1284: 1249: 1200: 1097: 946: 735: 708:), sharing the same vector, and could be useful in human medicine research. 467: 335: 2684: 2669: 2525: 2406: 2387: 2378: 2366: 2220: 2184: 2166: 2133: 2119: 1911: 1837: 1782: 1717: 845: 582: 562: 371: 151: 2589: 2511: 2496: 2266: 1622: 773: 625: 621: 566: 515: 471: 398: 360: 141: 1541: 1071: 1069: 2211: 2054: 1707: 1702: 1164: 813:
Prevention, CDC-Centers for Disease Control and (17 September 2020).
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The recommended treatment for people outside the United States is
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reported an eight-week course almost eliminated microfilaraemia.
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Larval stage 3 cDNA library. This led to the identification of a
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These worms are transmitted by infected mosquitoes of the genera
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Filariasis is usually diagnosed by identifying microfilariae on
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Metzger, Wolfram Gottfried; MordmĂĽller, Benjamin (April 2014).
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and others cause different diseases in Asia, in cattle and
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Intradermal onchocerciasis of cattle results in losses in
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manifests itself in the eyes, causing "river blindness" (
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The most spectacular symptom of lymphatic filariasis is
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Andersson J, Forssberg H, Zierath JR (5 October 2015),
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The subcutaneous worms present with rashes, urticarial
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Hewitt K, Whitworth JA (1 August 2005). "Filariasis".
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where SXP-1 antigen was recognized to be specific for
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Parasitic disease caused by a family of nematode worms
1075: 1531: 1262: 1422: 1342: 920: 2736: 250:Serous cavity filariasis is caused by the worms 1137: 1662: 1026: 1013:https://doi.org/10.1016/s0166-6851(99)00231-5 1425:"Global elimination of lymphatic filariasis" 1000:https://doi.org/10.1016/0166-6851(92)90176-k 631: 172:Eight known filarial worms have humans as a 1404:The Nobel Assembly at Karolinska Institutet 1220:The Cochrane Database of Systematic Reviews 1171:The Cochrane Database of Systematic Reviews 284:Filariasis is caused by parasitic nematodes 276:, the dog heartworm, rarely infects humans. 2165: 1669: 1655: 962:https://doi.org/10.1186/s13071-021-04980-3 833:https://doi.org/10.1016/j.cnur.2019.02.007 812: 32: 1440: 1423:Ndeffo-Mbah ML, Galvani AP (April 2017). 1239: 1190: 987:https://doi.org/10.1017/S0022149X10000118 974:https://doi.org/10.1017/s0031182099004084 923:"Loa loa—does it deserve to be neglected" 437:, as well as hyper- and hypopigmentation 1390: 1388: 1030:Lymphatic Filariasis Elimination Program 549:As-SXP-1), Loa loa (46%; Li-SXP-1), and 456: 279: 1463: 1416: 1022: 1020: 867:. Source: The World Health Organization 673:is a clinical disease in cattle due to 624:, which, in the further developed form 217:a subcutaneous filariasis is caused by 2737: 1121:The Gale Encyclopedia of Public Health 1118: 846:https://doi.org/10.1098/rspb.1967.0079 598: 1650: 1385: 855: 853: 618:Nobel prize in Physiology or Medicine 593:Liverpool School of Tropical Medicine 346: 1017: 616:were co-awarded half of that year's 1043: 894: 90:. They are included in the list of 13: 1484: 1050:U.S. Centers for Disease Control, 850: 779:Eradication of infectious diseases 14: 2781: 1527: 603: 385:Elephantiasis affects mainly the 86:(roundworms) spread by different 671:Verminous hemorrhagic dermatitis 640: 310:efforts of curbing the problem. 111:. Other types of filariasis are 1457: 1429:The Lancet. Infectious Diseases 1256: 1207: 1158: 1131: 1112: 1004: 991: 978: 581:In 2003, the common antibiotic 158: 1232:10.1002/14651858.CD003758.pub2 1183:10.1002/14651858.CD003753.pub4 1053:Lymphatic Filariasis Treatment 966: 953: 927:The Lancet Infectious Diseases 914: 888: 879: 837: 825: 806: 620:for the discovery of the drug 1: 1442:10.1016/S1473-3099(16)30544-8 1364:10.1016/S0140-6736(05)66591-9 1119:Turkington CA. "Filariasis". 1090:10.1016/s0140-6736(10)60586-7 939:10.1016/S1473-3099(13)70263-9 799: 313: 2128:Diphyllobothrium mansonoides 1467:The Emperor and the Parasite 1309:Med Microbiol Immunol (Berl) 700:is closely related to human 556: 452: 7: 2465:Angiostrongylus cantonensis 2114:Spirometra erinaceieuropaei 1512:Therapeutics in Dermatology 794:Neglected tropical diseases 767: 645:Filariasis can also affect 407:can affect the legs, arms, 139:caused by three species of 101:caused by three species of 92:neglected tropical diseases 10: 2786: 1464:Pringle H (3 March 2011), 746:, Asia and South America). 731:Parafilaria multipapillosa 2705:Capillaria philippinensis 2668: 2637: 2628:Halicephalobus gingivalis 2599:Strongyloides stercoralis 2588: 2495: 2405: 2377: 2330: 2219: 2210: 2183: 2174: 2152: 2089: 2005: 1990: 1901: 1868: 1781: 1716: 1701: 1688: 1613: 1535: 1496:Indian Journal of Urology 1321:10.1007/s00430-002-0174-6 1277:10.1017/S0031182006001612 1152:10.1383/medc.2005.33.8.61 789:List of parasites (human) 722: 664: 632:Prospects for elimination 497:polymerase chain reaction 237:layer just under the skin 235:. These worms occupy the 201:. These worms occupy the 58: 40: 31: 26: 2765:Veterinary helminthology 2711:Intestinal capillariasis 1806:Dicrocoelium dendriticum 167: 97:The most common type is 2698:Trichuriasis / Whipworm 2648:Enterobius vermicularis 2443:Cutaneous larva migrans 2016:Echinococcus granulosus 1956:Heterophyes heterophyes 1942:Gastrodiscoides hominis 1765:Trichobilharzia regenti 750: 712:Stenofilaria assamensis 226:Mansonella streptocerca 183:is caused by the worms 149:caused by two types of 2546:Visceral larva migrans 2341:Gnathostoma spinigerum 2194:Dracunculus medinensis 2100:Diphyllobothrium latum 1879:Paragonimus westermani 1846:Opisthorchis viverrini 1502:(1), January–June 2005 861:"Lymphatic filariasis" 463: 361:thickening of the skin 285: 2750:Insect-borne diseases 2427:Ancylostoma duodenale 1970:Metagonimus yokogawai 460: 283: 2679:Trichinella spiralis 2506:Ascaris lumbricoides 2320:Lymphatic filariasis 2302:Wuchereria bancrofti 865:Health Topics A to Z 675:Parafilaria bovicola 647:domesticated animals 404:Wuchereria bancrofti 319:Wuchereria bancrofti 186:Wuchereria bancrofti 181:Lymphatic filariasis 129:(Loiasis) caused by 109:spread by mosquitoes 99:lymphatic filariasis 79:infection caused by 53:lymphatic filariasis 44:Wuchereria bancrofti 2693:Trichuris trichiura 2620:Trichostrongyliasis 2236:Onchocerca volvulus 1792:Clonorchis sinensis 1727:Schistosoma mansoni 1708:Trematode infection 1027:The Carter Center, 761:Dirofilaria immitis 610:William C. Campbell 599:Society and culture 569:. A combination of 443:Onchocerca volvulus 273:Dirofilaria immitis 262:, which occupy the 253:Mansonella perstans 232:Onchocerca volvulus 122:onchocerca volvulus 2770:Parasitic diseases 2579:Parascaris equorum 2565:Dioctophyme renale 2471:Angiostrongyliasis 2451:Necator americanus 2421:Hookworm infection 2281:Dirofilaria repens 2106:Diphyllobothriasis 1997:Tapeworm infection 1928:Fasciolopsis buski 1614:External resources 686:Onchocerca dermata 571:diethylcarbamazine 464: 419:formation), while 347:Signs and symptoms 343:peripheral blood. 286: 259:Mansonella ozzardi 127:Loa loa filariasis 65:Infectious disease 2760:Tropical diseases 2732: 2731: 2728: 2727: 2664: 2663: 2401: 2400: 2397: 2396: 2148: 2147: 2144: 2143: 2022:E. multilocularis 1986: 1985: 1826:Fasciola hepatica 1678:Parasitic disease 1637: 1636: 1358:(9477): 2116–21, 1084:(9747): 1175–85. 505:immunoglobulin G4 472:blood film smears 470:, thin and thick 387:lower extremities 70: 69: 21:Medical condition 2777: 2613:Trichostrongylus 2605:Strongyloidiasis 2485:Metastrongylosis 2217: 2216: 2181: 2180: 2172: 2171: 2163: 2162: 2067:Hymenolepis nana 2003: 2002: 1903:Intestinal fluke 1714: 1713: 1699: 1698: 1671: 1664: 1657: 1648: 1647: 1533: 1532: 1523: 1521: 1519: 1503: 1478: 1477: 1476: 1474: 1461: 1455: 1454: 1444: 1420: 1414: 1413: 1412: 1410: 1401: 1392: 1383: 1382: 1346: 1340: 1339: 1303: 1297: 1296: 1271:(Pt 4): 537–44. 1260: 1254: 1253: 1243: 1211: 1205: 1204: 1194: 1162: 1156: 1155: 1135: 1129: 1128: 1116: 1110: 1109: 1073: 1064: 1063: 1062: 1060: 1047: 1041: 1040: 1039: 1037: 1024: 1015: 1011:107(1), 71–80. 1008: 1002: 995: 989: 982: 976: 970: 964: 957: 951: 950: 918: 912: 911: 909: 907: 892: 886: 883: 877: 876: 874: 872: 857: 848: 841: 835: 829: 823: 822: 810: 757:Heart filariasis 395:mucous membranes 382:and chyloceles. 365:lymphatic system 223:(the eye worm). 203:lymphatic system 36: 24: 23: 2785: 2784: 2780: 2779: 2778: 2776: 2775: 2774: 2745:Animal diseases 2735: 2734: 2733: 2724: 2660: 2633: 2584: 2491: 2439:Ancylostomiasis 2409: 2393: 2373: 2353:Gnathostomiasis 2326: 2223: 2206: 2157: 2154: 2140: 2091:Pseudophyllidea 2085: 2036:Taenia saginata 1994: 1982: 1934:Fasciolopsiasis 1919:Echinostomiasis 1897: 1864: 1858:Opisthorchiasis 1777: 1757:Schistosomiasis 1751:S. intercalatum 1705: 1703:Fluke/trematode 1694: 1691: 1684: 1675: 1638: 1633: 1632: 1609: 1608: 1544: 1530: 1517: 1515: 1506: 1492:"Special issue" 1490: 1487: 1485:Further reading 1482: 1481: 1472: 1470: 1462: 1458: 1421: 1417: 1408: 1406: 1399: 1393: 1386: 1347: 1343: 1304: 1300: 1261: 1257: 1226:(1): CD003758. 1212: 1208: 1177:(1): CD003753. 1163: 1159: 1136: 1132: 1117: 1113: 1074: 1067: 1058: 1056: 1048: 1044: 1035: 1033: 1025: 1018: 1009: 1005: 996: 992: 983: 979: 971: 967: 958: 954: 919: 915: 905: 903: 893: 889: 884: 880: 870: 868: 859: 858: 851: 842: 838: 830: 826: 811: 807: 802: 770: 753: 725: 706:river blindness 667: 643: 634: 606: 601: 559: 485:M. streptocerca 455: 411:, breasts, and 349: 316: 245:river blindness 174:definitive host 170: 161: 117:river blindness 22: 17: 12: 11: 5: 2783: 2773: 2772: 2767: 2762: 2757: 2752: 2747: 2730: 2729: 2726: 2725: 2723: 2722: 2715: 2714: 2713: 2701: 2689: 2688: 2687: 2674: 2672: 2666: 2665: 2662: 2661: 2659: 2658: 2657: 2656: 2643: 2641: 2635: 2634: 2632: 2631: 2624: 2623: 2622: 2609: 2608: 2607: 2594: 2592: 2586: 2585: 2583: 2582: 2575: 2574: 2573: 2571:Dioctophymosis 2561: 2554: 2553: 2552: 2534:Toxocara canis 2530: 2529: 2528: 2516: 2515: 2514: 2501: 2499: 2493: 2492: 2490: 2489: 2488: 2487: 2479:Metastrongylus 2475: 2474: 2473: 2461: 2460: 2459: 2447: 2446: 2445: 2433:A. braziliense 2423: 2417: 2415: 2403: 2402: 2399: 2398: 2395: 2394: 2392: 2391: 2383: 2381: 2375: 2374: 2372: 2371: 2370: 2369: 2357: 2356: 2355: 2336: 2334: 2328: 2327: 2325: 2324: 2323: 2322: 2298: 2297: 2296: 2294:Dirofilariasis 2284: 2277: 2276: 2275: 2273:Mansonelliasis 2263: 2262: 2261: 2246: 2245: 2244: 2242:Onchocerciasis 2231: 2229: 2214: 2208: 2207: 2205: 2204: 2203: 2202: 2200:Dracunculiasis 2189: 2187: 2178: 2169: 2160: 2150: 2149: 2146: 2145: 2142: 2141: 2139: 2138: 2137: 2136: 2124: 2123: 2122: 2110: 2109: 2108: 2095: 2093: 2087: 2086: 2084: 2083: 2082: 2081: 2079:Hymenolepiasis 2063: 2062: 2061: 2032: 2031: 2030: 2028:Echinococcosis 2011: 2009: 2007:Cyclophyllidea 2000: 1988: 1987: 1984: 1983: 1981: 1980: 1979: 1978: 1976:Metagonimiasis 1966: 1965: 1964: 1962:Heterophyiasis 1952: 1951: 1950: 1948:Amphistomiasis 1938: 1937: 1936: 1924: 1923: 1922: 1907: 1905: 1899: 1898: 1896: 1895: 1894: 1893: 1891:Paragonimiasis 1874: 1872: 1866: 1865: 1863: 1862: 1861: 1860: 1842: 1841: 1840: 1822: 1821: 1820: 1818:Dicrocoeliasis 1802: 1801: 1800: 1787: 1785: 1779: 1778: 1776: 1775: 1774: 1773: 1771:Swimmer's itch 1761: 1760: 1759: 1745:S. haematobium 1722: 1720: 1711: 1696: 1686: 1685: 1674: 1673: 1666: 1659: 1651: 1645: 1644: 1635: 1634: 1631: 1630: 1618: 1617: 1615: 1611: 1610: 1607: 1606: 1595: 1576: 1561: 1545: 1540: 1539: 1537: 1536:Classification 1529: 1528:External links 1526: 1525: 1524: 1504: 1486: 1483: 1480: 1479: 1456: 1435:(4): 358–359. 1415: 1384: 1341: 1298: 1255: 1206: 1157: 1130: 1111: 1065: 1042: 1016: 1003: 990: 977: 965: 952: 933:(4): 353–357. 913: 887: 878: 849: 836: 824: 804: 803: 801: 798: 797: 796: 791: 786: 781: 776: 769: 766: 765: 764: 752: 749: 748: 747: 744:Eastern Europe 724: 721: 720: 719: 709: 678: 666: 663: 642: 639: 633: 630: 605: 604:Research teams 602: 600: 597: 565:combined with 558: 555: 468:Giemsa stained 454: 451: 447:onchocerciasis 348: 345: 315: 312: 278: 277: 248: 212: 169: 166: 160: 157: 147:Dirofilariasis 137:Mansonelliasis 115:also known as 113:onchocerciasis 68: 67: 62: 56: 55: 47:, a parasitic 41:Life cycle of 38: 37: 29: 28: 20: 15: 9: 6: 4: 3: 2: 2782: 2771: 2768: 2766: 2763: 2761: 2758: 2756: 2755:Helminthiases 2753: 2751: 2748: 2746: 2743: 2742: 2740: 2721: 2720: 2716: 2712: 2709: 2708: 2707: 2706: 2702: 2699: 2695: 2694: 2690: 2686: 2683: 2682: 2681: 2680: 2676: 2675: 2673: 2671: 2667: 2655: 2652: 2651: 2650: 2649: 2645: 2644: 2642: 2640: 2636: 2630: 2629: 2625: 2621: 2618: 2617: 2616: 2614: 2610: 2606: 2603: 2602: 2601: 2600: 2596: 2595: 2593: 2591: 2587: 2581: 2580: 2576: 2572: 2569: 2568: 2567: 2566: 2562: 2560: 2559: 2558:Baylisascaris 2555: 2551: 2547: 2544: 2543: 2542: 2541: 2536: 2535: 2531: 2527: 2524: 2523: 2522: 2521: 2517: 2513: 2510: 2509: 2508: 2507: 2503: 2502: 2500: 2498: 2494: 2486: 2483: 2482: 2481: 2480: 2476: 2472: 2469: 2468: 2467: 2466: 2462: 2458: 2455: 2454: 2453: 2452: 2448: 2444: 2440: 2437: 2436: 2435: 2434: 2429: 2428: 2424: 2422: 2419: 2418: 2416: 2413: 2408: 2404: 2390: 2389: 2385: 2384: 2382: 2380: 2376: 2368: 2365: 2364: 2363: 2362: 2358: 2354: 2351: 2350: 2349: 2348: 2343: 2342: 2338: 2337: 2335: 2333: 2329: 2321: 2318: 2317: 2316: 2315: 2310: 2309: 2308:Brugia malayi 2304: 2303: 2299: 2295: 2292: 2291: 2290: 2289: 2285: 2283: 2282: 2278: 2274: 2271: 2270: 2269: 2268: 2264: 2260: 2258: 2254: 2253: 2252: 2251: 2247: 2243: 2240: 2239: 2238: 2237: 2233: 2232: 2230: 2227: 2222: 2218: 2215: 2213: 2209: 2201: 2198: 2197: 2196: 2195: 2191: 2190: 2188: 2186: 2182: 2179: 2177: 2173: 2170: 2168: 2164: 2161: 2159: 2151: 2135: 2132: 2131: 2130: 2129: 2125: 2121: 2118: 2117: 2116: 2115: 2111: 2107: 2104: 2103: 2102: 2101: 2097: 2096: 2094: 2092: 2088: 2080: 2077: 2076: 2075: 2074: 2069: 2068: 2064: 2060: 2059:Cysticercosis 2056: 2053: 2052: 2051: 2049: 2044: 2043: 2038: 2037: 2033: 2029: 2026: 2025: 2024: 2023: 2018: 2017: 2013: 2012: 2010: 2008: 2004: 2001: 1998: 1993: 1989: 1977: 1974: 1973: 1972: 1971: 1967: 1963: 1960: 1959: 1958: 1957: 1953: 1949: 1946: 1945: 1944: 1943: 1939: 1935: 1932: 1931: 1930: 1929: 1925: 1921: 1920: 1916: 1915: 1914: 1913: 1909: 1908: 1906: 1904: 1900: 1892: 1889: 1888: 1887: 1886: 1885:P. kellicotti 1881: 1880: 1876: 1875: 1873: 1871: 1867: 1859: 1856: 1855: 1854: 1853: 1848: 1847: 1843: 1839: 1836: 1835: 1834: 1833: 1828: 1827: 1823: 1819: 1816: 1815: 1814: 1813: 1808: 1807: 1803: 1799: 1798:Clonorchiasis 1796: 1795: 1794: 1793: 1789: 1788: 1786: 1784: 1780: 1772: 1769: 1768: 1767: 1766: 1762: 1758: 1755: 1754: 1753: 1752: 1747: 1746: 1741: 1740: 1735: 1734: 1729: 1728: 1724: 1723: 1721: 1719: 1715: 1712: 1709: 1704: 1700: 1697: 1693: 1692:platyhelminth 1687: 1683: 1682:helminthiases 1679: 1672: 1667: 1665: 1660: 1658: 1653: 1652: 1649: 1643: 1640: 1639: 1629: 1625: 1624: 1620: 1619: 1616: 1612: 1605: 1601: 1600: 1596: 1594: 1590: 1586: 1585: 1581: 1577: 1575: 1571: 1570: 1566: 1562: 1560: 1556: 1555: 1551: 1547: 1546: 1543: 1538: 1534: 1513: 1509: 1505: 1501: 1497: 1493: 1489: 1488: 1469: 1468: 1460: 1452: 1448: 1443: 1438: 1434: 1430: 1426: 1419: 1405: 1398: 1391: 1389: 1381: 1377: 1373: 1369: 1365: 1361: 1357: 1353: 1345: 1338: 1334: 1330: 1326: 1322: 1318: 1314: 1310: 1302: 1294: 1290: 1286: 1282: 1278: 1274: 1270: 1266: 1259: 1251: 1247: 1242: 1237: 1233: 1229: 1225: 1221: 1217: 1210: 1202: 1198: 1193: 1188: 1184: 1180: 1176: 1172: 1168: 1161: 1153: 1149: 1145: 1141: 1134: 1126: 1122: 1115: 1107: 1103: 1099: 1095: 1091: 1087: 1083: 1079: 1072: 1070: 1055: 1054: 1046: 1032: 1031: 1023: 1021: 1014: 1007: 1001: 994: 988: 981: 975: 969: 963: 956: 948: 944: 940: 936: 932: 928: 924: 917: 902: 898: 891: 882: 866: 862: 856: 854: 847: 840: 834: 828: 820: 816: 809: 805: 795: 792: 790: 787: 785: 784:Helminthiasis 782: 780: 777: 775: 772: 771: 762: 759:is caused by 758: 755: 754: 745: 741: 737: 733: 732: 727: 726: 717: 713: 710: 707: 703: 699: 695: 691: 687: 683: 679: 676: 672: 669: 668: 662: 660: 656: 652: 648: 641:Other animals 638: 629: 627: 623: 619: 615: 614:Satoshi ĹŚmura 611: 596: 594: 590: 589: 584: 579: 575: 572: 568: 564: 554: 552: 547: 542: 538: 534: 529: 526: 520: 517: 513: 508: 506: 500: 498: 492: 490: 486: 481: 477: 473: 469: 459: 450: 448: 444: 440: 436: 432: 427: 424: 423: 422:Brugia timori 418: 414: 410: 406: 405: 400: 396: 392: 388: 383: 381: 377: 373: 368: 366: 362: 358: 354: 353:elephantiasis 344: 340: 337: 332: 328: 324: 320: 311: 308: 306: 301: 300: 296: 292: 282: 275: 274: 269: 265: 264:serous cavity 261: 260: 255: 254: 249: 246: 242: 238: 234: 233: 228: 227: 222: 221: 216: 213: 210: 209: 208:elephantiasis 204: 200: 199: 198:Brugia timori 194: 193: 192:Brugia malayi 188: 187: 182: 179: 178: 177: 175: 165: 156: 154: 153: 148: 144: 143: 138: 134: 133: 128: 124: 123: 118: 114: 110: 106: 105: 100: 95: 93: 89: 85: 82: 78: 74: 66: 63: 61: 57: 54: 50: 46: 45: 39: 35: 30: 25: 19: 2718: 2703: 2691: 2677: 2654:Enterobiasis 2646: 2626: 2612: 2597: 2577: 2563: 2556: 2550:Toxocariasis 2539: 2532: 2518: 2504: 2477: 2463: 2457:Necatoriasis 2449: 2432: 2425: 2386: 2359: 2346: 2339: 2332:Thelazioidea 2313: 2306: 2300: 2287: 2279: 2265: 2256: 2248: 2234: 2225: 2192: 2126: 2112: 2099: 2072: 2065: 2047: 2041: 2034: 2021: 2014: 1968: 1954: 1940: 1926: 1917: 1910: 1884: 1877: 1851: 1844: 1832:F. gigantica 1831: 1824: 1811: 1804: 1790: 1763: 1750: 1744: 1738: 1733:S. japonicum 1732: 1725: 1621: 1597: 1578: 1563: 1548: 1516:. Retrieved 1511: 1508:"Filariasis" 1499: 1495: 1471:, retrieved 1466: 1459: 1432: 1428: 1418: 1407:, retrieved 1403: 1355: 1351: 1344: 1315:(4): 211–6, 1312: 1308: 1301: 1268: 1265:Parasitology 1264: 1258: 1223: 1219: 1209: 1174: 1170: 1160: 1146:(8): 61–64. 1143: 1139: 1133: 1124: 1120: 1114: 1081: 1077: 1057:, retrieved 1052: 1045: 1034:, retrieved 1029: 1006: 993: 980: 968: 955: 930: 926: 916: 904:. Retrieved 900: 890: 881: 869:. Retrieved 864: 839: 827: 818: 808: 760: 736:North Africa 729: 711: 701: 697: 693: 689: 685: 674: 644: 635: 607: 586: 580: 576: 560: 550: 545: 540: 539:sequence of 532: 530: 524: 521: 509: 501: 493: 488: 484: 479: 476:W. bancrofti 475: 465: 442: 428: 420: 402: 389:, while the 384: 376:W. bancrofti 375: 369: 350: 341: 336:microfilaria 330: 326: 325:in America, 322: 318: 317: 303: 289: 287: 271: 257: 251: 240: 230: 224: 218: 206: 196: 190: 184: 171: 162: 159:Epidemiology 150: 140: 130: 120: 116: 102: 96: 72: 71: 51:that causes 42: 18: 2719:C. hepatica 2685:Trichinosis 2670:Adenophorea 2526:Anisakiasis 2407:Strongylida 2388:Gongylonema 2379:Spiruroidea 2367:Thelaziasis 2347:G. hispidum 2221:Filarioidea 2185:Camallanida 2167:Secernentea 2134:Sparganosis 2120:Sparganosis 2073:H. diminuta 2042:T. asiatica 1912:Echinostoma 1852:O. felineus 1838:Fasciolosis 1783:Liver fluke 1718:Blood fluke 1514:. June 2012 895:Wheeler L. 819:www.cdc.gov 702:O. volvulus 583:doxycycline 563:albendazole 546:W.bancrofti 541:W.bancrofti 533:W.bancrofti 525:W.bancrofti 489:O. volvulus 372:lymph nodes 241:O. volvulus 152:Dirofilaria 2739:Categories 2590:Rhabditida 2512:Ascariasis 2497:Ascaridida 2288:D. immitis 2267:Mansonella 2259:filariasis 2226:Filariasis 2153:Roundworm/ 1870:Lung fluke 1739:S. mekongi 1680:caused by 1628:Filariasis 1623:Patient UK 1127:: 351–353. 906:2 December 800:References 774:Ascariasis 698:O. ochengi 690:O. ochengi 649:, such as 626:ivermectin 622:avermectin 567:ivermectin 516:Antibodies 399:amputation 314:Life cycle 142:Mansonella 119:caused by 73:Filariasis 27:Filariasis 2314:B. timori 2212:Spirurida 2158:infection 2055:Taeniasis 2048:T. solium 1812:D. hospes 1695:infection 1690:Flatworm/ 1409:5 October 588:Wolbachia 557:Treatment 551:C.elegans 480:Loa loa's 453:Diagnosis 435:arthritis 417:hydrocele 415:(causing 299:Anopheles 107:that are 84:nematodes 81:parasitic 60:Specialty 49:roundworm 2639:Oxyurida 2520:Anisakis 2412:hookworm 2361:Thelazia 2176:Spiruria 2156:Nematode 1451:28012944 1380:21382828 1372:15964448 1337:23349595 1329:12684759 1293:24567214 1285:17078904 1250:17253495 1201:30620051 1140:Medicine 1106:29589578 1098:20739055 947:24332895 871:24 March 768:See also 740:Southern 694:O. dukei 608:In 2015 512:Antigens 380:chyluria 331:Mansonia 305:Mansonia 77:filarial 2540:T. cati 2257:Loa loa 2250:Loa loa 1992:Cestoda 1604:D005368 1518:24 July 1473:9 March 1241:6532694 1192:6354574 1059:17 July 1036:17 July 684:due to 682:leather 462:cancer. 439:macules 431:papules 413:scrotum 268:abdomen 266:of the 243:causes 220:Loa loa 215:Loiasis 145:, and 132:Loa loa 104:Filaria 88:vectors 75:, is a 2050:(pork) 1449:  1378:  1370:  1352:Lancet 1335:  1327:  1291:  1283:  1248:  1238:  1199:  1189:  1104:  1096:  1078:Lancet 945:  901:Flickr 723:Horses 692:, and 665:Cattle 657:, and 651:cattle 433:, and 397:, and 229:, and 195:, and 1593:125.9 1589:125.0 1400:(PDF) 1376:S2CID 1333:S2CID 1289:S2CID 1102:S2CID 655:sheep 409:vulva 359:with 357:edema 327:Aedes 323:Culex 295:Culex 291:Aedes 168:Cause 2615:spp. 1599:MeSH 1584:9-CM 1559:1F66 1520:2012 1475:2011 1447:PMID 1411:2015 1368:PMID 1325:PMID 1281:PMID 1246:PMID 1224:2007 1197:PMID 1094:PMID 1061:2008 1038:2008 943:PMID 908:2017 873:2013 751:Dogs 742:and 716:zebu 659:dogs 612:and 537:cDNA 514:and 487:and 391:ears 329:and 302:and 256:and 1580:ICD 1574:B74 1565:ICD 1550:ICD 1437:doi 1360:doi 1356:365 1317:doi 1313:192 1273:doi 1269:134 1236:PMC 1228:doi 1187:PMC 1179:doi 1148:doi 1086:doi 1082:376 935:doi 239:. 94:. 2741:: 2548:/ 2537:/ 2441:/ 2430:/ 2344:/ 2311:/ 2305:/ 2070:/ 2057:/ 2045:/ 2039:/ 2019:/ 1882:/ 1849:/ 1829:/ 1809:/ 1748:/ 1742:/ 1736:/ 1730:/ 1626:: 1602:: 1587:: 1572:: 1569:10 1557:: 1554:11 1510:. 1500:21 1498:, 1494:, 1445:. 1433:17 1431:. 1427:. 1402:, 1387:^ 1374:, 1366:, 1354:, 1331:, 1323:, 1311:, 1287:. 1279:. 1267:. 1244:. 1234:. 1222:. 1218:. 1195:. 1185:. 1173:. 1169:. 1144:33 1142:. 1123:. 1100:. 1092:. 1080:. 1068:^ 1019:^ 941:. 931:14 929:. 925:. 899:. 863:. 852:^ 817:. 738:, 696:. 688:, 661:. 653:, 441:. 393:, 367:. 355:– 297:, 293:, 270:. 189:, 155:. 135:; 125:; 2700:) 2696:( 2414:) 2410:( 2228:) 2224:( 1999:) 1995:( 1710:) 1706:( 1670:e 1663:t 1656:v 1591:- 1582:- 1567:- 1552:- 1542:D 1522:. 1453:. 1439:: 1362:: 1319:: 1295:. 1275:: 1252:. 1230:: 1203:. 1181:: 1175:1 1154:. 1150:: 1125:1 1108:. 1088:: 949:. 937:: 910:. 875:. 821:. 763:. 734:( 718:. 704:( 677:. 307:. 247:. 211:.

Index


Wuchereria bancrofti
roundworm
lymphatic filariasis
Specialty
Infectious disease
filarial
parasitic
nematodes
vectors
neglected tropical diseases
lymphatic filariasis
Filaria
spread by mosquitoes
onchocerciasis
onchocerca volvulus
Loa loa filariasis
Loa loa
Mansonelliasis
Mansonella
Dirofilariasis
Dirofilaria
definitive host
Lymphatic filariasis
Wuchereria bancrofti
Brugia malayi
Brugia timori
lymphatic system
elephantiasis
Loiasis

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