维生素 D 缺乏性佝偻病(Vitamin DDeficiency Rickets,简称佝偻病)是一种小儿时期的常见病。虽然佝偻病不能直接危及生命,但患佝偻病以后,机体的抵抗力低下,容易并发许多严重疾病如肺炎、腹泻等。为了解佝偻病患儿的免疫功能状况,我们科研组从1988年12月至1989年2月对吉林市3 Vitamin D deficiency rickets (Vitamin D Deficiency Rickets, referred to as rickets) is a common childhood disease. Although rickets can not directly endanger life, but the rickets after the body’s resistance is low, easily complicated by many serious diseases such as pneumonia, diarrhea and so on. To understand the immunological status of children with rickets, our research team from December 1988 to February 1989 on the city of Jilin 3