Epidemiology of hepatitis B virus co-infection among people living with HIV in four countries in sub-Saharan Africa - Josphat Kosgei; Walter Jaoko; Julius Oyugi; Natalie Burns; Jonah Maswai; John Owuoth; Valentine Sing’oei; Emmanuel Bahemana; Abdulwasiu B. Tiamiyu; Hannah Kibuuka; Leigh Anne Eller; Julie A. Ake; et al. (PLoS ONE, 2026)