A National Baseline Prevalence Survey of Schistosomiasis in the Philippines Using Stratified Two-Step Systematic Cluster Sampling Design

<table>Prevalence of schistosomiasis in Maguindanao by municipalities, 2008.</table>

Journal of Tropical Medicine

Figure 2: A National Baseline Prevalence Survey of Schistosomiasis in the Philippines Using Stratified Two-Step Systematic Cluster Sampling Design 