LONDON (Reuters) - Suspected cases of the previously eradicated disease smallpox in eastern Uganda appear to be chickenpox and not the acute contagious disease, the World Health Organization said on ...

PHILADELPHIA, Pa. — Frozen vials labeled “smallpox” that were recently discovered at a Pennsylvania facility contained no trace of the virus that causes the eradicated disease, according to the ...

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 ...

It all started with an unremarkable trip to grandma’s house in 1970. But two days into the visit, something went terribly wrong. The 9-month-old grandson fell ill. First, a fever. Then, a nasty rash.