目的 描述佳木斯市近10年来乙型病毒性肝炎(乙肝)的流行特征,为制定佳木斯市乙肝防治措施提供科学依据.方法 采用描述流行病学的方法,对2005—2014年佳木斯市乙肝发病情况进行分析.结果 2005—2014年佳木斯市乙肝总发病数为15239例,年均报告发病率为61.33/10万,发病率呈逐年下降趋势.男性历年发病数和发病率均高于女性,但不同性别分布差异无统计学意义(χ2=4.1411,P=0.9019).发病人数最多的年龄组为20~34岁,农民发病人数最多为5715例,占总发病人数37.50%.富锦市年均发病率最高,不同地区分布差异有统计学意义(χ2=415.7225,P<0.0001).每年3月为发病高峰,占发病总数10.45%.结论 佳木斯市乙肝发病率呈下降趋势,主要集中在20~34岁人群,职业分布以农民为主,富锦市年均发病率最高.预防乙肝应在提高新生儿乙肝疫苗接种率的基础上加强对重点人群的接种,并将人群免疫与健康教育结合起来.%Objective To analyze the epidemiological characteristics of hepatitis B virus (HBV) infection in Jiamusi,and to provide scientific basis for the development of HBV prevention and control measures.Methods HBV infection situation in Jiamusi (2005-2014)was analyzed using the descriptive epidemiological method.Results The total number of patients with HBV infection was 15,239 in Jiamusi between 2005 and 2014,with an average annual incidence rate of 61.33/100000.The reported incidence of HBV infection was decreased year by year.The number and in-cidence of HBV infection among males were higher than those among females.However,there was no statistical difference in the gender distribution (χ2=4.1411,P=0.9019).Most of the pa-tients were 20-34 years of age and were farmers (5715 cases,37.50%).The annual incidence was highest in Fujin,and there was a statistical difference in regional distribution (χ2=415.7225,P<0.0001).The peak incidence (10.45%)was observed in March.Conclusion The incidence of HBV infection showed a declining trend in Jiamusi.Maximum patients were in the age group of 20-34 years,and majority of the patients were farmers.The annual incidence was highest in Fujin. Hepatitis B vaccination should be strengthened in focus groups and population immunization should be combined with health education to prevent HBV infection.20-34 years,and majority of the patients were farmers.The annual incidence was highest in Fujin.Hepatitis B vaccination should be strengthened in focus groups and population immunization should be combined with health education to prevent HBV infection.
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