Study of the Prevalence of Hepatitis B and Associated Risk Factors in Cotonou (Benin) and Dakar (Senegal)

Background: In 2019, the WHO estimated that over 296 million people were living with chronic hepatitis B virus (HBV) infection and 820,000 deaths attributable to B. Most HBV are unaware of their immune status live in endemic areas. This is case Benin Senegal, which have little data on disease. Objective: study aimed provide epidemiological furthers Dakar Cotonou according recommendations about “obtaining for action”. Materials Methods: Our took place at Medical Biology Laboratory Idrissa Pouye General Hospital (LBM-HOGIP) Dakar, Senegal. Participants selected LBM-HOGIP or LBMs health centres Archdiocese respectively from November December 2019 February March 2020. All participants tested antigen (HBsAg) using a microparticle chemiluminescence immunoassay assay. Other risk factors including blood transfusion, haemodialysis, tattooing, cultural clan scarification, piercing, injecting drug use, unprotected sex surgical procedures also investigated. Informed consent was obtained each participant. The approved by ethics committees Senegal Benin. For biological tests, Excel IBM SPSS Statistics software used analysis results. Results: A total 470 recruited 234 236 Dakar. median age 29 years extremes 10 65 years, 38 6 93 years. prevalence HBsAg 12.39% 19.91% most affected groups 20 - 30 39 Cotonou. Except none other considered our found be associated transmission populations. Conclusion: hospital-based revealed high HBsAg. These prevalences higher men.