Directorate of Health Department of Medical Laboratory Sciences Garissa County KenyaDepartment of Medical Laboratory Science Kenyatta University Nairobi Kenya;
Department of Biochemistry University of Nairobi Nairobi Kenya;
Department of Medical Laboratory Science Kenyatta University Nairobi Kenya;
WHO-World Health Organization; IDU-Intravenous Drug Use; GCRH-Garissa County Referral Hospital; HBsAg-Hepatitis B Surface Antigen; HBV-Hepatitis B Virus; KNBTS-Kenya National Blood Transfusion Services;