作者在莫斯科以1％γ-球蛋白剂量为1毫升实验研究了其流行病学的效果。共观察8142例儿童,年龄自3～12岁,其中2763人是注射10％γ-球蛋白,2688人注射1％γ-球蛋白,2691人作对照。传染性肝炎的发病率,在第一组是1.08‰;第二组是1.48‰;第三组为15.97‰,10％与1％制剂有效系数分别为93％与90％,实验组与对照组之 The authors studied the epidemiological effect of 1% γ-globulin in Moscow at 1 ml. A total of 8142 children were observed, ranging in age from 3 to 12 years, of whom 2763 were injected with 10% gamma globulin, 2688 with 1% gamma globulin, and 2691 controls. The incidence of infectious hepatitis in the first group was 1.08 ‰; the second group was 1.48 ‰; the third group was 15.97 ‰; the effective coefficients of 10% and 1% formulations were 93% and 90% It