Hepatitis B virus infection and associated risk factors among medical students in eastern Ethiopia Tewodros Tesfa , Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Software, Supervision, Validation, Visualization, Writing – original draft, Writing – review & editing Behailu Hawulte, Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Resources, Supervision, Validation, Writing – original draft, Writing – review & editing Affiliation Public Health and Policy Unit, School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia Roles Data curation, Formal analysis, Resources, Software, Validation, Visualization, Writing – original draft, Writing – review & editing Affiliation Epidemiology and Biostatistics Unit, School of Public Health, College of Health and Medical Sciences, Haramaya University, Harar, Ethiopia