Hepatitis B Infection is an occupational high risk factor. Immune response for vaccination was measured by Antibody to Hepatitis B surface antigen (anti HBs) levels. A course of Hep B vaccine yields a protective immune response (anti-HBs ≥10 mIU/mL) this study was designed to determine the anti HBs levels in Health Care Workers (HCWs) working as laboratory technician and staff nurses. | Prevalence of non-responders among medical laboratory technicians and staff nurses evaluated for anti hepatitis B surface antigen titre
