Objectives: Study on prevalence of hepatitis B virus in blood donors at Hospital C Danang to determine the percentage of HBsAg-positive in blood donors and identify some risk factors related to hepatitis B virus infection in blood donors. Material and methods: Samples of blood of donors were HBsAg testing by ELISA, the research conducted by descriptive cross-sectional design. The results and conclusions are as follows: Results: HBsAg positive rate was 10.6% (35/330), which accounted for 14.7% males and 7.5% females. HBsAg positive rate high percentage of first-time blood donor group (15.2%), very low proportion of repeat blood donor group (0.9%). Conclusion: HBsAg positive is according to the risk factors for hepatitis B virus transmission associated with surgery, acupuncture, tattooing, infusion, injection, dental treatment, skin sewing and manicure, not associated with history of blood transfusion and endoscopy. Key words: HBsAg, blood donors, HBV.
