The Black Death and Its Aftermath
When it was over, the populations of Europe, China, and India were cut by a third to a half.
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The Respirator and Cloth Mask
Germ theory helped to usher in the widespread use of cloth masks.
Corona in context: Lessons from the SARS Pandemic of 2003
Soon after SARS was discovered, labs around the world shared information in search of a cure.
