Hepatitis E virus exposure and risk factors among ethnic minority populations in Northern Vietnam - Vu Nhi Ha; Le Chi Cao; Tran Hai Dang; Dao Thi Huyen; Nguyen Tien Dung; Le Huu Song; Nguyen Linh Toan; Truong Nhat My; Thirumalaisamy P. Velavan (PLoS ONE, 2026)