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麻疹是由麻疹病毒引起的急性呼吸道传染病,以发热(体温可达40℃)、咳嗽、流涕、眼结膜充血、口腔黏膜有红晕的灰白小点(克氏斑)及全身斑丘疹为临床特征,并常因并发肺炎而危及生命。麻疹的传染性很强,在疫苗使用前,由于缺乏有效的预防措施,麻疹的流行非常严重。随着免疫规划的深入开展及麻疹减毒活疫苗(MV)接种率和接种质量的不断提高,上海市嘉定区麻疹的发病率曾一度得到了有效控
Measles is an acute respiratory infection caused by measles virus. It is clinically used to treat fever (body temperature up to 40 ℃), cough, runny nose, conjunctival hyperemia, greyish spot with oral mucosa (Klebsiella) and systemic rash Characteristics, and often life-threatening due to concurrent pneumonia. Measles is highly contagious and measles is very prevalent due to the lack of effective prevention measures before the vaccine is used. With the further development of immunization programs and the increasing vaccination rate and inoculation quality of live attenuated measles vaccine, the incidence of measles in Jiading District of Shanghai was once effectively controlled