The First Pandemic in the Age of Trains and Telegr
标签： 历史事件
伊莎贝尔·赞达尔：第一位公共卫生护士
Isabel Zendal: The First Public Health Nurse 由René
1989-1991 年的麻疹流行几乎停止了一场篮球比赛
The 1989-1991 Measles Epidemic That Almost Stopped
哪种传染病是有史以来最大的大的杀手？
Which Infectious Disease Is the Biggest Killer of