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[目的]调查无锡市成人乙型肝炎病毒(HBV)血清学感染状况和影响因素。探讨成人乙肝预防和控制策略。[方法]按整群随机抽样的方法,调查3744名20岁以上的人员,在问卷调查的同时采集静脉血检测HBV5项血清血指标。[结果]20岁以上人群乙肝HBsAg、抗-HBs、抗-HBc标化阳性率和HBV总的标化感染率分别为4.46%、48.34%、49.88%和49.88%。HBV感染模式在不同年龄、不同性别、不同职业、有无乙肝疫苗接种史和有无乙肝家族史的人群中分布不同,高年龄组、男性、离退休和家务人员、无乙肝疫苗接种史和有乙肝家族史的人群被HBV感染比例较高。[结论]该市属中度流行区,为降低成人乙肝感染率,在成人中推广乙肝疫苗接种是科学和有效的免疫策略。
[Objective] To investigate the serological status and influencing factors of hepatitis B virus infection in adults in Wuxi City. To explore adult hepatitis B prevention and control strategies. [Methods] According to the random sampling method of cluster, 3744 persons over the age of 20 were investigated. At the same time of questionnaire survey, blood samples of HBV 5 serum were collected. [Results] The positive rate of HBsAg, anti-HBs, anti-HBc and HBV genotypes were 4.46%, 48.34%, 49.88% and 49.88% respectively in people over 20 years of age. HBV infection patterns in different age groups, different genders, different occupations, with or without hepatitis B vaccination history and the presence of hepatitis B family history of people in different distribution, high age group, men, retired and domestic workers without hepatitis B vaccination history and have People with hepatitis B family history have a higher proportion of HBV infection. [Conclusion] The city is a moderate endemic area. To reduce the infection rate of hepatitis B in adults, it is a scientific and effective immunization strategy to promote hepatitis B vaccination among adults.