在中国,风疹不是一种法定报告的传染病。为了对需否将它列入计划免疫作出评价,1979年秋河北省卫生防疫站对保定市所有年龄组的1,152人进行了血清流行病学调查。结果(见表1)表明,5岁以上的年龄组中,实际上每人都具有抗风疹病毒的血凝一抑制抗体(HI抗体);5岁以下的年龄组中则30％弱的人血清学检查仍然阴性。20～49 Rubella is not a statutory report of an infectious disease in China. In order to evaluate whether it needs to be included in the planned immunization, Hebei Provincial Health and Epidemic Prevention Station in 1979 conducted a serological epidemiological survey of 1,152 people of all age groups in Baoding. The results (Table 1) show that practically everyone in the age group 5 years and older has an anti-rubella anti-haemolytic-inhibitory antibody (HI antibody); 30% of the under-5 age group is weak in human serum School tests are still negative. 20 ~ 49