Figure 4From: Long term study on the effect of mollusciciding with niclosamide in streamhabitats on the transmission of schistosomiasis mansoni after community-basedchemotherapy in Makueni District, KenyaMean total number of Biomphalaria pfeifferi (a)and number of infected B. pfeifferi (b)collected per site per year during 1994 to 2005, together withrainfall (c). Error bars represents 95% CL.Back to article page