Molecular epidemiology of hepatitis B, hepatitis C, and HIV-1 co-infections in Ethiopia: Implications for disease burden and intervention strategies
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BACKGROUND: Hepatitis B virus (HBV) exhibits high prevalence rates within Ethiopia. The genetic diversity of HBV, marked by mixed genotype infections, may hold significant implications for the trajectory of disease and responses to treatment. Ethiopia grapples with a substantial public health challenge posed by co-infections involving HBV, hepatitis C virus (HCV), and human immunodeficiency virus 1 (HIV-1), particularly among vulnerable populations. METHODS: A comprehensive investigation into HBV, HCV, and HIV-1 co-infection was conducted. A total of 7,789 blood samples were meticulously analyzed, among which 815 exhibited HBV positivity. Among the HBV-positive samples, 630 were subjected to genotyping procedures, resulting in the identification of a prevalent trend of mixed infections characterized by HBV genotypes A/E/F (67.30%). Serological assessments were performed on 492 specimens to ascertain the presence of HCV and HIV-1 co-infections, revealing respective co-infection rates of 13.02% for HBV/HIV, 3.31% for HBV/HCV, and 2.07% for triple infection. RESULTS: The investigation revealed the intricate prevalence of co-infections in Ethiopia, notably underlining the continued transmission of viruses. The prominent occurrence of mixed HBV genotypes A/E/F suggests dynamic viral interactions and ongoing transmission pathways. These findings accentuate the necessity for targeted interventions and enhanced patient care, as co-infections carry significant clinical complexities. CONCLUSIONS: This study furnishes crucial insights into the molecular epidemiology of HBV, HCV, and HIV-1 co-infections in Ethiopia. The acquired knowledge can contribute to the advancement of strategies for clinical management and the formulation of public health interventions aimed at ameliorating the burden of viral infections within the nation.
