Abstract
Introduction: The endemic nature of hepatitis B virus (HBV) in Sub-Saharan Africa is a significant public health problem that places health care providers (medical students inclusive) at increased risk of occupational exposure. However, vaccination against HBV is not systematic among medical students in Cameroon. Thus, we sought to evaluate awareness and HBV vaccine coverage amongst medical students in Cameroon. Aim: The present study was aimed at determining the proportion of Medical and Paramedical students on internship at the Bamenda Regional Hospital (BRH) who are vaccinated and immune to hepatitis B virus (HBV). Methods: This was a hospital-based cross sectional study carried out at the BRH in Cameroon. Questionnaires were administered to 120 participants who signed an informed consent form and venous blood samples collected in dry tubes for the HBV-5 PANEL test. Data were collected within a period of two weeks. HBV vaccine status was defined as complete (3 doses), partial (1 or 2 doses), and unvaccinated. Results: Of 120 participants (87 females and 33 males), 56 (46.7%) were vaccinated at least once against HBV; 15 (12.5%) were partially vaccinated and 41 (34.2%) completely vaccinated. Out of the 56 vaccinated individuals, only 13 (23.2%) were confirmed immunized against HBV by testing positive for hepatitis B surface antibodies. Only 3 (5.4%) students had done post-vaccination serologic test to confirm their immunized status. There was high exposure to potentially infected body fluids like blood (97.5%) and urine (87.5%). There was equally poor practice of adequate preventive measures like regular hand washing and the proper use of personal protective equipment. A prevalence of 3.1% of HBV amongst the unvaccinated group was recorded. Conclusion: Only 1 in 3 medical students had completed the HBV vaccination series and only 26.8% of this cohort was confirmed immunized against HBV. This highlights the need for improved health policies aimed at increasing access and coverage of HBV immunization in high risk groups such as health workers.
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