Vaccination coverage of hepatitis B and associated factors among health care workers in Gansu province.

The investigation was conducted to describe the status of coverage of HBV vaccination among the health care workers in Gansu province and to explore the associated factors of HBV vaccination in this study. A cross-sectional study was conducted among 1544 health care workers from 64 hospitals in Gansu province. A self-designed questionnaire was used to interview the health care workers about HBV vaccination coverage.