serum samples from persons who lived in areas where onchocerciasis occurred or who had filariasis were examined with the complement fixation test and the indirect hemagglutination test for the presence of antibodies against crude extracts from dirofilaria immitis , onchocerca volvulus , dipetalonema viteae , and ascaris suum .
C0029001
onchocerciasis
C0016085
filariasis