NCIt definition : A genus of parasitic filarial nematodes in the family Onchocercidae that mainly affects
humans in warm climates. The adult forms live chiefly in lymphatic vessels, causing
obstruction to lymph flow and producing microfilariae that disseminate via the bloodstream.;
Alternative definition : CDISC: Any nematode parasite that is not assigned to the species level but can be
assigned to the Wuchereria genus level.;