2025 Yes http://dx.doi.org/10.1097/MD.0000000000041120 Nhu, Dang Duc Asia Observational Epidemiology Study Exposure Study Students Elementary (K-5) Parasites Other Ascaris lumbricoides Ha Giang Hookworms Primary students School-aged children Soil-transmitted helminths Trichuris Trichuria Vietnam A cross-sectional study in Ha Giang, Vietnam found a 76.1% soil-transmitted helminth infection rate among primary students, mostly light-intensity Ascaris and Trichuris. Findings support expanded hygiene, water access, and deworming programs.