北京市顺义区1997～2007年风疹发病特征

目的了解北京市顺义区1997～2007年风疹流行病学特征，为控制风疹提供依据。方法对风疹发病资料进行描述流行病学分析。结果1997～2007年，顺义区风疹发病277例，年平均发病率3．77／10万，不同年份间发病率的差异有统计学意义（P〈0．01）；3～7月为发病高峰，占发病构成的77．85％；发病以学生为主，占发病构成的60．65％；有明确免疫史的40人，占14．44％；流动人口发病逐渐升高，出现发病年龄后移现象。结论学校和流动人口是风疹控制的重点，今后要加强学校疫情监测，提高学生和流动人口麻腮风疫苗免疫率。

Epidemiological characteristics of rubella in Shunyi District in Beijing from 1996 to 2007

Objective To understand epidemiological characteristics of rubella in Shunyi of Beijing during 1997 - 2007 to provide evidence for its prevention and control. Methods Data of rubella incidence were described and analyzed epidemiologically. Results Totally, 277 cases of rubella were reported from 1997 to 2007, with an incidence rate of 3.77 per 100 000, Rubella incidence varied significantly with years （ P 〈 0.01 ）, with peaks during March to July in 1997 - 2007, accounting for 77.85 percent of total cases in a year, and school children accounted for 60.65 percent of the total. Forty cases of them （14.44 percent） were definitely immunized with rubella vaccine. Age at onset of the cases shifted to older and incidence increased in migrant population. Conclusion Prevention and control for rubella should focused on school children and migrant population, and disease surveillance in schools and coverage of rubella immunization in school children should be improved.