Hazra, B RSaha, S KMazumder, A KDeb, ASinha, S1998-04-022009-06-011998-04-022009-06-011998-04-02Hazra BR, Saha SK, Mazumder AK, Deb A, Sinha S. Incidence of hepatitis B virus (HBV) infection amongst clinically diagnosed acute viral hepatitis cases and relative risk of development of HBV infection in high risk groups in Calcutta. Indian Journal of Public Health. 1998 Apr-Jun; 42(2): 56-8http://imsear.searo.who.int/handle/123456789/109580The present study revealed that 30.5% of acute infective hepatitis were due to the infection of Hepatitis B virus (HBV) however, 8% controls also showed HBV positivity. The possible route of infection of HBV in our country were Parenteral in 51.9%, Sexual in 24% and Unidentified in 24.1% cases. HBV marker positivity was 45.5% amongst health care workers 33.3% in recipients of multiple blood and blood product transfusion, 25% in sexual partners and their children, 20% in S.T.D. clinic attendants and 10% in patients on haemodialysis.engAcute DiseaseAllied Health Personnel --statistics & numerical dataBlood Transfusion --adverse effectsFemaleHepatitis B --diagnosisHepatitis B Surface Antigens --bloodHepatitis B virus --isolation & purificationHumansIncidenceIndia --epidemiologyMaleNeedlestick InjuriesRiskSexual BehaviorUrban HealthJournal Article