麻疹在我国广泛流行,在使用麻疹疫苗(MV)前,麻疹呈自然流行强度,每2—3年出现一次大流行,发病率波动在158/10万—1432/10万,常居传染病首位。而MV使用之后,我国的麻疹防治工作取得巨大的成功,麻疹的发病率和病死率迅速降低。麻疹一度得到有效的控制。目前麻疹在许多发达国家十分少见,美国和澳大利亚等发达国家已消 Measles is a widespread epidemic in our country. Before the measles vaccine (MV) was used, the measles showed a natural epidemic intensity with a pandemic every 2-3 years. The incidence of the measles virus fluctuated between 158/10 and 1432/10 million, ranking the first place in infectious diseases . After the use of MV, the measles prevention and control work in our country has achieved great success, and the incidence and mortality rate of measles have been rapidly reduced. Measles was once effectively controlled. At present, measles is very rare in many developed countries, developed countries such as the United States and Australia have disappeared