论文部分内容阅读
我国自1965年较大规模地接种麻疹减毒活疫苗以来,麻疹的发病率有所下降,近年来,由于交通的发展,人口流动增加等,使麻疹散发病例和暴发流行时有发生。现对2005年
The incidence of measles in our country has dropped since the large-scale live attenuated measles vaccine was introduced in China in 1965. In recent years, measles cases and outbreaks have occurred frequently due to the development of transportation and the increase of population flows. Now for 2005