1983年11月1日至30日,我们对启东大兴等乡出生的188名婴儿,随机分3组进行乙型肝炎疫苗免疫效果考核,其中甲组64名,每次上臂三角肌皮下注射Pasteur 疫苗2.5μg(其中37名注射3次,27名注射2次);乙组62名,每次上臂三角肌注射 Merck 疫苗2.5μg;丙组62名未注射疫苗,作为对照。免疫程序为分娩后立即、1、6个月各注射1次。3组孕妇均于产 From November 1 to November 30, 1983, 188 infants born in Daxing, Qidong, and other townships were randomly divided into 3 groups to test the effect of hepatitis B vaccine immunization. Among them, 64 patients in group A were subcutaneously injected with the Pasteur vaccine 2.5 μg (37 injected three times, 27 injected twice); group B 62, each upper arm deltoid muscle injection Merck vaccine 2.5μg; C group 62 non-vaccinated, as a control. Immune program for immediate delivery, 1,6 months of each injection. 3 groups of pregnant women are in production