The study was undertaken to find out the prevalence of Australia antigen (HBs Ag) positivity in 180 cases of blood donors and to compare the prevalence of hepatitis B virus in blood donors in relation to the profession and other factors. Out of 180 blood donors, 113 (62.77%) were replacement (Needy) blood donors and 67 (37.22%) were voluntary blood donors. Among the 113 (62.77%) replacement donors, 97 (53.88%) were males and 16 (8.88%) were females and in 67 (37.22%) voluntary blood donors all (37.22%) were males. 3 (1.66%) cases were positive for hepatitis B surface antigen (HBs Ag) out of 180 blood donors and 177 donors were negative for any of hepatitis B disease. In the Australia antigen positive group all the 3 (1.66%) positive donors were males. The age of these positive donors varies from 30 -50 years. Prevalence of seropositivity was higher (1.77%) in the replacement (Needy) donors as compared to (1.49%) in the voluntary blood donors. 1 (33.33%) positive case had a history of sexual contact with extramarital relations. 1 (33.33%) case had a positive history of contact with a jaundice patient in the family. 1 (33.33%) positive case had history of repeated needle injections.
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