Fig. 3From: Sero-prevalence of human immunodeficiency virus–hepatitis B virus (HIV–HBV) co-infection among pregnant women attending antenatal care (ANC) in sub-Saharan Africa (SSA) and the associated risk factors: a systematic review and meta-analysisBias assessment funnel plot for HBV–HIV co-infection prevalence among pregnant mothers on antenatal care in Sub-Saharan Africa 2004 to 2019Back to article page