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目的调查内蒙古地区不同人群乙型病毒性肝炎(乙肝)流行现状,为制定加强乙肝的预防和免疫工作的方案和策略提供依据。方法采用分地区、分年龄段随机抽样的方法,对普通人群进行血清流行病学调查。结果内蒙古部分1～65岁人群HBsAg和HBV阳性率分别为2.77%和53.66%,有无针灸史和有无创伤美容史这两个因素为乙肝感染的危险因素。结论内蒙古地区需要继续加强乙肝疫苗的人群普种,并重点加强对婴幼儿和高危人群接种乙肝疫苗,加强医源性乙肝感染的控制。
Objective To investigate the prevalence of hepatitis B (HBV) among different populations in Inner Mongolia, and to provide basis for formulating plans and strategies for enhancing hepatitis B prevention and immunization. Methods Serological epidemiological survey of the general population was conducted by means of random sampling by region and sub-age. Results The positive rates of HBsAg and HBV in some people aged from 1 to 65 years in Inner Mongolia were 2.77% and 53.66% respectively. The two factors, acupuncture history and traumatic beauty history, were the risk factors of hepatitis B infection. Conclusion Inner Mongolia need to continue to strengthen the universal population of hepatitis B vaccine, and focus on strengthening the control of hepatitis B vaccination in infants and at-risk populations to strengthen hepatitis B infection.