某初中1起风疹暴发疫情的流行病学调查

Epidemiological investigation on a rubella outbreak at a junior high school

目的对广西苍梧县某初中发生的1起风疹暴发疫情进行调查分析。方法采用描述流行病学方法对某初中风疹暴发疫情的病例个案资料和流行特征进行分析。结果 2018年4月27日—5月20日,共发生风疹病例51例,均为学生,罹患率为4.08%。实验室检测20名学生的咽拭子和血液标本,其中18份咽拭子风疹病毒核酸阳性,18份风疹IgM抗体阳性。发病学生中仅2名学生接种过麻腮风疫苗,其余学生含风疹成分疫苗接种史空白。结论落实学校传染病管理工作,尽早开展含风疹成分疫苗的应急接种,是预防控制风疹暴发的重要措施。

Objective To investigate and analyze the epidemiological characteristics and causes of a rubella outbreak at a junior high school in Cangwu County,so as to provide the reference for improving the prevention and control of rubella epidemic.Methods The information of rubella cases was collected and analyzed by the descriptive epidemiology method.Results A total of 51 rubella cases were reported between April 27 th and May 20 th in 2018, with an incidence of 4.08%. Only two of the infected students had received the measles, mumps and rubella(MMR) vaccine, and the remaining students had no history of rubella vaccination. A total of 20 rubella cases were detected for rubella IgM antibody and rubella virus nucleic acid and the positives were found in 18 cases.Conclusion The implementation of management for infectious diseases at schools, and properly implementing rubella-containing vaccinations are the key measures for prevention and control of rubella epidemic.