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目的了解乙型病毒性肝炎(简称乙肝,下同)报告病例的构成和发病率的影响因素。方法通过对报告的乙肝病例进行流行病学调查和实验室复核,对河南省许昌市的禹州市和开封市的顺河区2009年1月-12月份间上报的病例进行了诊断和分类。结果急性乙型肝炎病例占3.86%,慢性乙型肝炎病例占86.47%,乙肝病毒携带者占9.50%。结论报告病例中的慢性乙肝病人及重复报告、乙肝病毒携带者是乙肝报告发病率升高的重要原因。
Objective To understand the composition of hepatitis B virus (HBV) and its influencing factors. Methods According to the epidemiological investigation and laboratory review of reported hepatitis B cases, the cases reported between January and December 2009 in Yuzhou City, Xuchang City, Henan Province and Shunhe District, Kaifeng City were diagnosed and classified. Results Acute hepatitis B accounted for 3.86%, chronic hepatitis B accounted for 86.47%, hepatitis B virus carriers accounted for 9.50%. Conclusion The reported cases of chronic hepatitis B patients and repeated reports, hepatitis B virus carriers is an important cause of hepatitis B reported increased incidence.