[Anti-HBV vaccination and continuing education of health personnel: proposal for a priority index in various hospital units].

This work defines an "hazard index of unit" for the occupational transmission of the HBV to the aim to establish the priorities in the activity of promotion of the hepatitis B vaccine turned to health personnel. It has been estimated the prevalence of the potentiality infecting for the HBV in patients coming to various unit and the cover immunization against HBV in personnel and used the incidence of exposures to biological risk, always reported to the single units, found in the within of the activity of the Committee of Control of the Hospitals infections in our hospital. The analysis evidences three areas to risk: infectious diseases, general surgery and obstetrics and gynecology.