the "persistent filaria," a species widely prevalent in tropic Africa and northern South America where it infects human peritoneal and other body cavities, but is nonpathogenic or only mildly so; characteristic subperiodic microfilariae occur in peripheral blood. It is transmitted in Africa by the biting midges Culicoides austeni and C. grahami.
a long, thread-like worm usually found in Africa. It commonly infects wild and domestic animals and occasionally invades the bloodstream of humans, causing a rash, muscle and joint pains, various neurological disorders, and nodules in the subcutaneous tissues. The larvae are also found in the cerebrospinal fluid of affected patients.
Mansonella perstansA filarial nematode which causes serosal filariasis in humans.
Subsaharan Africa, Central and South America, Caribbean.
Haematophagous midges (genus Culicoides).
Generally banal, with moderate fever, articular pain, headache, pruritis, rash, pulmonary symptoms, lymphadenopathy and hepatomegaly.
Ivermectin is effective against microfilariae, but not against adult worms.
A species of filaria that is transmitted to humans by Culicoides insects (midges). It was formerly known at Acanthocheilonema perstans.
Angioedema, urticaria, high blood eosinophil levels, and other findings.
See also: Mansonella