HBV(11) Nigeria(10) Co-infection(6) hepatitis E virus(5) Hepatitis B virus(4) Iran(4) Risk factors(3) HBV infection(3) Seroprevalence(3) HIV(3) high rate.(2) Prevalence(2) β-thalassemia.(2) Street sweeper.(2) HBV awareness(2) HCV(2) febrile patients.(2) Inflammation(2) Asymptomatic(2) Hairdressers(2) serologic.(2) Ibadan(2) serology(2) Ibadan Nigeria(2) high-risk groups.(2) HBsAg(2) risk factor(2) hepatitis B(2) hepatitis A virus(2) Community(2)