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作者在尼日利亚北部进行了两项研究。第一项研究试图确定定期抗疟预防服药是否能增强儿童对全程免疫接种的应答。在尼日利亚疟疾地方性流行地区,试验组198名儿童每周服氯奎一次,剂量为不足1岁者100mg,1～2岁200mg;对照组185名儿童,每周服
The author conducted two studies in northern Nigeria. The first study sought to determine if regular anti-malarial prophylaxis can enhance children’s response to full immunization. In endemic areas of malaria in Nigeria, 198 children in the experimental group were given chloroquine once a week in doses of less than 1 year old and 200 mg of children aged 1 to 2 years; 185 children in the control group