Hepatitis B immunity and vaccine completion among adults at increased risk for hepatitis B infection in Zambia - Enock Syabbalo; Sydney Mpisa; Michael J. Vinikoor; Mercy Wamundila; Likando Munalula; Taonga Musonda; Ruth Phiri; Paul Kelly; Chloe Thio; David L. Thomas; Edford Sinkala (PLoS ONE, 2026)