Objectives: In Gabon, data on hepatitis B virus (HBV) infection are limited to hepatitis B surface antigen (HBsAg) detection among specific populations and rural regions. This is the first study aimed at determining the seroprevalence of HBV markers among the Gabonese population.
Methods: A retrospective study was conducted from January 2002 through December 2022. All patients who requested HBV marker screening (HBsAg, anti-HBc, anti-HBs, anti-HBe, hepatitis B e antigen) were included in this study.
Results: A total of 496 people were included in this study. The prevalence of HBV exposure was high (59.5%) and significantly associated with age, sex, pregnancy status, and social status. Among individuals with evidence of HBV exposure, only 89 (33.7%) had effectively cleared the virus. Overall, HBsAg was detected in 108 of the 496 (21.8%) people included in the study. HBsAg infection was more common among individuals in the 16-25 (35.1%) and 26-35-year (30.6%) age groups. Moreover, most of HBsAg-infected patients were health care workers (HCWs) ( = 0.0096). Among the 496 individuals included in this study, 126 (25.4%) were still susceptible to HBV. Most of the susceptible female patients were pregnant ( <0.0001). HCWs had a significantly lower probability of being naïve to HBV infection ( = 0.0001). There was a similar prevalence of susceptibility in male and female patients (50 [24.5%] male and 76 [26.0%] female patients). Only 15.1% of the studied population was vaccinated.
Conclusions: Our findings revealed a high seroprevalence of HBV infection in the study area and very low HBV immunization coverage. Additional care and resources should be provided to promote HBV vaccination and block vertical HBV transmission.
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| http://dx.doi.org/10.1016/j.ijregi.2024.100448 | DOI Listing |
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