“…Although all were sufficiently fit to attend school, more general markers of ill-health, such as anaemia (25.7%) and faecal occult blood (11.0%), revealed an underlying morbidity, as previously seen in this area 31,32 . Along the lakeshore, access to tap water is still very poor which no doubt helps both intestinal schistosomiasis and giardiasis flourish 17,[33][34][35] . Moreover, a concurrent malacological survey of the shoreline was undertaken and found numerous snails shedding schistosome cercariae 36 , as several times before 5,37 .…”