Fig. 2From: Prevalence of hepatitis B virus infection among health care workers in a tertiary hospital in TanzaniaRisk of HCWs contracting HBV by age. Risk of contracting HBV (based on anti-HBc-positivity tests) by age group in health care workers at occupational risk (rHCW) or those not at occupational risk (nrHCW). Data are shown as a risk factor odds ratio table. HBV: hepatitis B virusBack to article page