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外科医师冒着手术时因接触病人的血和其他体液获得感染的危险。在肝炎B病毒（HBV）、肝炎C病毒（HCV）和人类免疫缺乏病毒（HIV）血清阳性的病人进行手术更使感染出现频率增加。调查的设计以评估外科手术组在手术时意外受伤的发生率并研究其机制。资料和方法：本研究为期六个月
Surgeons are at risk of contracting infections due to contact with the patient’s blood and other body fluids. Surgery in patients who are seropositive for hepatitis B virus (HBV), hepatitis C virus (HCV), and human immunodeficiency virus (HIV) increases the frequency of infection. The investigation was designed to assess the incidence of accidental injury during surgical operations and to study its mechanism. Materials and Methods: The study lasted for six months