OBJECTIVE To explore the incidence of occupational exposure among health care workers of operating rooms and analyze the influencing factors so as to take effective protective measures.METHODS By means of retrospective survey,the incidence of occupational exposure among 57 health care workers of operating rooms and the influencing factors were investigated and analyzed in 4consecutive years from Jan 2012 to Dec 2015.RESULTS Among the health care workers who had the occupational exposure,the surgeons account...