Bancroftian filariasis: clinical parasitologic and serologic evaluation after 4 years applying two antifilarial regimens.

In August 1 997, 124 individuals out ot 1,110 were selected as being seropositive for circulating filarial antigen OG4C3 (CFA). Ten healthy children proven negative for CFA were used as controls. The patients were classified into: G1 28 patients; 20 asymptomatic microfilaraemic and 8 symptomatic amicrofilaraemic (AMF), G2 80 patients, 22 asymptomatic MF, 48 asymptomatic AMF and 10 symptomatic AMF and G3 16 asymptomatic AMF.