The study was carried out in July when most children had gone for holidays and the few remaining were not all willing to take part in the study hence the absence of children in the Meme river basin. Out of the seven sites where we collected entomological data, baseline data existed only ...
there was a remarkable drop in the infection rate (all larval stages), the L3/infective fly, while the infective rate remained the same. Based on these results, it can be said that