BOSTON (AP) — A highly contagious disease originating far from America’s shores triggers deadly outbreaks that spread rapidly, infecting the masses. Shots are available, but a divided public agonizes ...

This is an archived article and the information in the article may be outdated.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 ...

The Mandan, Hidatsa and Arikara languages literally started dying off with the mass deaths caused by smallpox plagues in the late 1700s and early 1800s. The most devastating epidemic was in 1837, an ...

Throughout the course of human history, one infectious disease (Figure 1) may account for more deaths than any other, perhaps all others combined. Smallpox mortality falls between 20% and 50%. Until ...