The WHO Technical Advisory Group on Schistosomiasis and Soil-Transmitted Helminthiases is planning a review of the evidence on a.       the links between access to, and use of, water, sanitation and hygiene (WASH) and SCH and STH transmission andb.       the impact of different WASH interventions on infection prevalence. The review will provide an update on previously-published systematic reviews, and inform further guidance to be developed by the TAG-SCH/STH. This is a call for publications published after 2017 (inclusive) describing any type of study covering one or more elements of WASH, together with either or both schistosomiasis or STH infections of any species. The review is being conducted to support the delivery of the  Neglected Tropical Diseases (NTDs) road map  targets, and the accompanying  Global Strategy on WASH and NTDs . Publications should be sent no later than May 4^th 2022 to  This email address is being protected from spambots. You need JavaScript enabled to view it.  Thank you very much for your collaboration.