Figure 1. Dose effect of Acyclovir and Valacyclovir on tsetse flies G. pallidipes productivity and mortality.

Flies were fed on blood supplemented with different concentrations (10 to 1000 µg/ml) of the two antiviral drugs for 60 days and the produced pupae (A) and mortality (B) were recorded. Flies fed with drug-free blood were used as control.