麻疹是具有高度感染性的急性病毒性疾病 ,它可引起严重的肺炎、腹泻、脑炎和死亡。为了明确 2 0 0 1- 2 0 0 3年美国麻疹流行病学的特征 ,CDC对州和地方卫生部门报告的数据进行了分析。结果表明目前在美国没有地方性的麻疹病毒流传 ,然而 ,输入性麻疹病例继续发生 ,并可引起有 Measles is a highly contagious acute viral disease that causes severe pneumonia, diarrhea, encephalitis and death. To clarify the epidemiological characteristics of measles in the United States in 2010-12, the CDC analyzed the data reported by the state and local health authorities. The results show that there is currently no endemic measles virus circulating in the United States, however, cases of imported measles continue to occur and can cause