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We studied anti-HBs titer, positive and effective rate in relation to dosages(5, 10) and time interval after third vaccination in 23 infants born to HBsAg negative mother. The babies were divided into two groups. In one group(n=12), 5 of Hepavax was administered intramusculary at 1 month, 2 months and 6 months age, in other group (n=11), 10 of Hepavax at... |
