麻疹是由麻疹病毒引起的急性呼吸道传染病,多见于年长儿童及青壮年,好发于春秋季节。自1965年麻疹减毒活疫苗普遍接种以来,麻疹的大流行得到了有效控制,发病率明显下降。但近三年来。我市麻疹患者明显增多,且季节性分布出 Measles is an acute respiratory infection caused by the measles virus. It is more common in older children and young adults and occurs in the spring and autumn. Since the universal inoculation of live attenuated measles vaccine in 1965, the pandemic has been effectively controlled and the incidence has dropped significantly. But in the past three years. Measles patients in our city increased significantly, and the seasonal distribution