measles complicated by pneumonia

例句：

1. 1.He caught the measles last week and has been in bed ever since.
   他上周得了麻疹，从那以后就一直躺在床上。
2. 2.The measles are highly contagious and can spread quickly.
   麻疹具有高度传染性，可以迅速传播。
3. 3. Doctors recommend vaccination against measles to prevent it from spreading.
   医生建议接种麻疹疫苗以防止其传播。