World Health Organization Regional Office for South-East Asia

Soil-transmitted helminthiasis prevalence and infection intensity among school-going children in Timor-Leste after the prolonged interruption of deworming: a cross-sectional survey (2025)

Background Timor-Leste reduced soil-transmitted helminth (STH) prevalence from 29% to 18% by 2020 through mass drug administration (MDA) in 2015–2019. School-based deworming was interrupted for nearly four years during the COVID-19 pandemic and resumed in 2022 in 3 municipalities...