Jayant RadhakrishnanChicago, Illinois, United States Epidemics and pandemics became an issue about 10,000 years ago when hunters and gatherers became farmers and began to live in communities. Smallpox was one of the first lethal infections that spread widely. Its stigmata are seen in Egyptian mummies dating to 1570-1085 BCE. By 1500 CE, in China, India,…