麻疹这一主要侵犯儿童的急性传染病。在未使用麻疹减毒活疫苗前(以下简称麻苗),发病率很高。我区自大面积投用该疫苗后,发病率逐年下降,显示出麻苗对该病的预防作用十分有效。由于麻苗免疫效期短于自然感染,加之个别地方漏种,致使该病时有发生,甚至局部流行。为了尽快使麻疹发病控制到最低水 Measles, an acute communicable disease that is mainly children’s. In the use of live attenuated measles vaccine before (hereinafter referred to as seedlings), the incidence is high. My area prudently invested in the vaccine, the incidence decreased year by year, showing that the prevention of the disease is very effective. Due to the short duration of immune effect of natural vaccine Miao Miao, combined with individual leakage, resulting in the disease from time to time, and even local epidemic. In order to minimize the incidence of measles control to the lowest water