2000-2005年四川省风疹流行病学分析

Epidemiological Analysis of Rubella in Sichuan Province From 2000 to 2005

目的 了解四川省风疹的流行特征.方法 采用流行病学方法对2000-2005年四川省风疹发病情况进行分析.结果 2000-2005年间发生风疹31 004例,年平均发病率6.05/10万,其中2001年发病最高,为16.12/10万.其发病特点是：全年均有发病,以3～7月为多,人群主要分布在学生、散居儿童、托幼儿童,以5～9岁年龄组的发病最高,占39.02%.结论 应用风疹疫苗进行预防接种是控制风疹流行和预防先天性风疹综合征（CRS）的有效办法,尽快制定风疹疫苗免疫策略十分必要.

Objective To find out the epidemic characters of rubella in Sichuan Province. Method The incidence of rubella from 2000 to 2005 was analyzed by epidemiological method. Result There were 31 004 rubella cases during 2000 to 2005, and the average annual incidence was 6. 05 per 100 000, and the incidence in year 2001 was the highest which was 16. 12 per 100 000. The characters of incidence were that the cases distributed to every month which focused on the months from March to July. The cases mostly distributed among students and kids under 6 years old. The proportion of cases of children aged 5 to 9 was 39.02% which was the highest among the whole population. Conclusion Rubella vaccine immunization is the useful method to control the prevalence of rubella and to prevent the congenital rubella syndrome （CRS）, so it is very essential to set up the immunization program of rubella vaccine as soon as possible.