Fig. 3From: Prevalence of hepatitis B virus infection among health care workers in a tertiary hospital in TanzaniaExposure to HBV in Tanzanian HCWs with and without additional risk factors. Anti-HBc positivity (contact with HBV) in HCWs with additional risk factors (49.6 %) versus professionals without additional risk factors (34.2 %; p = 0.065 Chi square Test).Back to article page