“…Since antischistosomal treatment has never been delivered at community level in North province, the reasons behind this favourable trend were (and remain) unclear. The aim of the present, cross-sectional survey, conducted in 25 primary schools in 2009, was to see if urinary schistosomiasis and intestinal schistosomiasis had shown a similar decline in Far North province, from the prevalences of 35% and 9%, respectively, recorded among schoolchildren in 1986 (Ratard et al, 1990). Lot quality assurance sampling (LQAS) was used, previous studies having shown this to be a cost-effective method of identifying communities that qualify for treatment (Rabarijaona et al, 2003;Brooker et al, 2005).…”