作者等在乌干达首都坎帕拉附近农村选择无明显疾病的3～30月龄儿童303人,用Sabin Ⅰ型脊髓灰质炎疫苗进行试验,以疫苗病毒排出率及血清转化率测定接种效果,以观察非洲儿童口服疫苗效果差是否因哺乳影响;以及是否可用抗人γ球蛋白马血清而提高疫苗效果。作者将儿童分成A、B、 The authors selected 303 children aged 3 to 30 months who had no obvious disease in the rural areas near Kampala, Uganda, to test with a Sabin type 1 polio vaccine, and the vaccination effect was determined by the vaccine virus excretion rate and the seroconversion rate to observe Whether the poor efficacy of oral vaccine in African children is due to breastfeeding or not; and the availability of anti-human gamma globulin horse serum to improve vaccine efficacy. The authors divided children into A, B,