High infection risk of intestinal helminths despite WASH interventions: A cross-sectional study in Khammouane province, Lao PDR. - Khounvisith V; Virachith S; Innoula N; Vongphachanh B; Khenkha L; Hattendorf J; Sayasone S; Hübschen JM; Black AP; Odermatt P (PLoS neglected tropical diseases, 2026)