Filariasis

Japanese: フィラリア

Also known as threadworms. A thread-like parasitic worm belonging to the nematode family. There are many types, but in Japan, the bancroftian and B. malayan types are found scattered throughout southern Kyushu and other areas. They are transmitted by mosquitoes such as Culex pipiens. Adult worms can reach 10 cm in length, and parasitize the lymphatic system, producing larvae (microfilariae) that appear in the blood, especially at night. The main symptoms are irregular bouts of fever, which can become chronic and lead to elephantiasis. Treatments include diethylcarbamazine and mafalzole. Dog filariasis is transmitted by Aedes and Anopheles mosquitoes, and parasitizes the heart. The larvae of filaria species that parasitize animals such as cattle can cause lower back paralysis in goats and sheep.
→ Related topics Anthelmintics | Nematodes | Notifiable infectious diseases | Endemic diseases

Source : Heibonsha Encyclopedia About MyPedia Information

Japanese:

糸状虫とも。線虫類に属する糸状の寄生虫。種類が多いが，日本ではバンクロフト糸状虫，マレー糸状虫で，南九州をはじめ各地に散在する。アカイエカなどのカが媒介する。成虫は10cmに及ぶものもあり，リンパ系に寄生，幼虫（ミクロフィラリア）を産み，これが特に夜間に血液中に現れる。主症状は不定期の発熱発作で，慢性化して象皮病になる。治療薬はジエチルカルバマジン，マファルゾールなど。なおイヌのフィラリアは，ヤブカ，ハマダラカが媒介し，心臓に寄生。ウシなどの動物寄生種のフィラリアの幼虫はヤギ，ヒツジなどの腰麻痺(まひ)の原因となる。
→関連項目駆虫薬｜センチュウ（線虫）｜届出伝染病｜風土病

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