A Multicentre Randomized Controlled Trial of the Efficacy and Safety of Single-Dose Praziquantel at 40 mg\\/kg vs. 60 mg\\/kg for Treating Intestinal Schistosomiasis in the Philippines, Mauritania, Tanzania and Brazil Microsoft Academic Search BackgroundPraziquantel at 40 mg\\/kg in a single dose is the WHO recommended treatment for all forms of schistosomiasis, but 60 mg\\/kg is also deployed nat