Detection the Persistence of Antibodies of Hepatitis B Surface Antigen among Healthy Individuals Vaccinated with Hepatitis B Virus Vaccine in Mukalla- Hadhramout/Yemen: Detection the Persistence of Antibodies of Hepatitis B Surface Antigen among Healthy Individuals Vaccinated with Hepatitis B Virus Vaccine in Mukalla- Hadhramout/Yemen. (2026). Hadhramout University Journal of Natural & Applied Sciences, 22(2). https://hu.edu.ye/hu-publications/journals/index.php/hujnas/article/view/885