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为了解HBV的流行率及血清流行病学特点,于1991年对浙江机械工业学校91级486名新生,应用敏感的固相放射免疫法(SPRIA)进行血清学指标检测及定群观察HBV感染水平传播。现报道如下。1 观察方法采用问卷法对学生进行自我症状、病史及家族史的调查;由临床医师进行体检;用SPRIA法对91级新生进行HBsAg、HBeAg测定,并对HBsAg阳性无症状携带者从中随机抽取HBeAg阳性及HBeAg阴性各17名,分别分布于12间共84人及12间的87人寝室,计171人,进行定群观察;于1993年5月对定群观察者进行HBsAg、抗-HBs、抗-HBc测定,阳性者均
In order to understand the prevalence of HBV and the characteristics of serum epidemiology, 486 freshmen at grade 91 of Zhejiang Mechanical Industry School in 1991 were tested for serological markers by using the sensitive SPRIA and the HBV infection level spread. Report as follows now. 1 observation methods using questionnaire for students self-symptom, medical history and family history survey; physical examination by clinicians; using SPRIA method for 91 newborn HBsAg, HBeAg determination, and HBsAg positive asymptomatic carriers were randomly selected from HBeAg Positive and HBeAg-negative of 17, respectively, were distributed in 12 rooms of a total of 84 people and 12 of 87 people, accounting for 171 people for group observation; in May 1993 on the group of observers for HBsAg, anti-HBs, Anti-HBc test, positive were