Background: Schistosomiasis and soil-transmitted helminths (STH) infections are major public health problems. We aimed to study the 6-mo impact of mass drug administration with praziquantel and albendazole on urinary schistosomiasis and STH. Methods: We examined children (aged 2–15 y) from one hamlet, who provided urine and feces samples at baseline (n=197), 1 mo (n=102), and 6 mo (n=92); 67 completed the proto...