This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. The Louisiana Purchase was still two years ...

From eradicating smallpox to battling the COVID-19 pandemic, these vaccine pioneers have helped make colossal strides in ...

It was late November of 1801, and William C. C. Claiborne arrived in Natchez only a few months before a smallpox epidemic hit the Mississippi Territory. Claiborne had just been appointed to his ...