保靖县龙溪乡泗溪河村交通方便,三个自然村,共633人,居住密集,一所小学,有学生95人。无乡村医生及校医。该村于1985年初暴发流行麻疹。经回顾性调查全村有15岁以下的麻疹易感儿119人。其中仅5名散居儿童。于1984年12月份接种过麻疹疫苗,余114人无接种资料可查,其中麻疹患者55例,发病率为46.22％,接种过麻疹疫苗的5人无一发病。发病年龄10个月～14岁,5岁以上最多 Bao Xi Longxi Township Si Xihe convenient transportation, three villages, a total of 633 people, living in dense, a primary school, there are 95 students. No village doctors and school doctors. The village started a measles epidemic in early 1985. After a retrospective survey of the village there are measles measles vulnerable children under the age of 15 119 children. Only 5 of them are scattered children. Measles vaccine was vaccinated in December 1984, and no vaccination data were available for 114 people. Among them, 55 cases were measles, the incidence rate was 46.22%. None of the 5 vaccinated measles vaccine had any disease. The age of onset of 10 months to 14 years old, 5 years of age or more