Figure 3From: Long term study on the effect of mollusciciding with niclosamide in streamhabitats on the transmission of schistosomiasis mansoni after community-basedchemotherapy in Makueni District, KenyaTotal number of Biomphalaria pfeifferi collected in each site (Figure1) during the two pre-intervention years, 1993 and1994. A few of these sites were excluded from the follow-upanalysis.Back to article page