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血源性乙型肝炎疫苗(HeVacB)及中国仓鼠卵巢(CHO)细胞重组乙型肝炎疫苗(GenHevacB)分别含5μg和20μg HBsAg,其中前S2蛋白含量分别为1～2%和20%。两种疫苗接种于塞内加尔Dakar地区220名婴儿,按2、4、9或10月龄接种,第1、2针于不同部位同时接种百白破-脊髓灰质炎疫
HeVacB and GenHevacB contained 5μg and 20μg HBsAg respectively, of which the pre-S2 protein content was 1-2% and 20% respectively. Two vaccinations were given to 220 infants in Dakar, Senegal, at 2, 4, 9 or 10 months of age, with 1 st and 2 st injections of different doses of diphtheria-poliomyelitis