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目的了解急性乙型病毒性肝炎感染的危险因素,为防控提供依据。方法对2008—2009年杭州市下城区急性乙肝病例开展流行病学调查。结果共调查54例,发病主要为16～60岁的中青年人群(94.4%),该人群有乙肝疫苗免疫史仅9.8%;调查病例的密切接触者中有乙肝病毒感染者的占24.1%,患者有拔牙、补牙、洗牙等口腔诊疗史的占22.2%,去营业场所修脚者占18.5%、修面刮须者占14.8%。[结论]要加强乙肝防治宣传教育,开展成人乙肝疫苗接种,加强对可能发生经血传播乙肝病毒的公共场所用具的消毒管理和监督。
Objective To understand the risk factors of acute hepatitis B infection and provide basis for prevention and control. Methods The epidemiological investigation of acute hepatitis B in Xiacheng District of Hangzhou City from 2008 to 2009 was conducted. Results A total of 54 cases were investigated. The incidence was mainly middle-aged and young people aged 16-60 (94.4%). The population had a history of hepatitis B vaccine immunization only 9.8%. Among the close contacts of the survey, 24.1% Twenty-two percent of patients had history of dental consultation such as tooth extraction, dental fillings, and dental scaling, 18.5% of pedicure to the workplace, and 14.8% of shaved scalpels. [Conclusion] It is necessary to strengthen the publicity and education on prevention and treatment of hepatitis B, carry out the hepatitis B vaccination in adults and strengthen the disinfection management and supervision of the utensils in public places where the hepatitis B virus may be transmitted by blood.