Kato-Katz thick smear examination was used in diagnosing Schistosoma japonicum and detecting the presence of eggs of other parasites [7 (link)]. Two stool samples collected on two separate days were processed from each individual included in the sample. Aside from schistosome eggs, soil-transmitted helminthes (i.e., Ascaris lumbricoides, hookworm, and Trichuris trichiura) and food-borne trematodes (e.g., heterophyids, Taenia spp., Paragonimus westermani, and echinostomes) were recorded in the survey. Both soil-transmitted helminthes and food-borne trematode infections are widespread in Southeast Asia [8 (link), 9 (link)].
Prevalence for each province was computed by dividing the number of positives by the total number of individuals whose stools were examined from the five barangays per province.
Prevalence for each province was computed by dividing the number of positives by the total number of individuals whose stools were examined from the five barangays per province.
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