为了解腹泻是否影响对口服脊髓灰质炎疫苗(OPV)的体液免疫应答,作者于1990年11月至1992年4月在孟加拉国婴儿中作了观察.在达卡的城市贫民家庭中选择营养状况基本良好、母乳喂养、没有住院史、没有免疫史的6～16周龄婴儿共391名,根据观察前发生腹泻(水泻≥3次/日、病程<7天、无并发症)与否分组.病例组129人,对照组262人.两组婴儿的平均周龄、性别分布、体格及 To understand whether diarrhea affects the humoral immune response to oral polio vaccine (OPV), the authors observed infants in Bangladesh from November 1990 to April 1992. Nutritional status was chosen among urban poor families in Dhaka There were 391 infants aged 6-16 weeks who were basically healthy, breastfed, hospitalized and had no history of immunization. According to the results of diarrhea (waterlogging≥3 times / day, duration of disease <7 days, no complication) 129 patients in the case group and 262 in the control group.The average age of the two groups of infants, gender distribution, body size and