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小儿佝偻病是危害小儿健康的“四病”之一。为了解我市农村3岁以下小儿佝偻病的患病情况,于1996年4月～1997年3月对余杭市2243名3岁以下儿童进行了佝偻病发病因素调查,现报告如下。
Pediatric rickets is one of the “four diseases” that endanger the health of children. In order to understand the prevalence of rickets in children under 3 years of age in rural areas of our city, from April 1996 to March 1997, we investigated the incidence of rickets in 2243 children under 3 years old in Yuhang City.