mansonella ozzardi, a roundworm nematoda that causes serous cavity filariasis in humans

america blood chronic condition disease disorder edema endemic filariasis health healthcare illustration insect insectborne keratitis larva lymph mansonella mansonelliasis medical medicine microfilaria microfilariae morphology mosquitoborne nematode ozzardi parasite parasitic parasitism system tropica unhealthy unsheathed worm