Spotted fever in purples for example, which we call measles, was a significant cause of death as was the plague, which we don't have anymore, thank goodness.

拿紫色斑疹热作为例子,我们也把这种病称作麻疹,它是导致死亡的主要原因,就好像瘟疫,而现在不会再这样了,感谢上帝

耶鲁公开课 - 生物医学工程探索课程节选

Measles, Mumps, and Rubella this is an established vaccine also quite expensive.

麻疹,腮腺炎以及风疹三联疫苗,这是一个非常昂贵的疫苗

耶鲁公开课 - 生物医学工程探索课程节选