Take Tenochtitlan, for instance. Smallpox killed 40% of the native population of the city in 1520, making it much easier for ...

To win American independence, he not only had to defeat the British army; he had to defeat smallpox. At the time, 90% of deaths in the Continental Army were due to disease. Smallpox was so feared ...

Smallpox, one of the biggest killers in history, is caused by a virus called variola. Variola causes a distinctive rash and is often lethal. The name variola comes from the Latin word for “spotted” ...