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” ...

The World Health Organization declared smallpox officially eradicated in 1980. The vaccine is no longer administered ...

On day four, the bumps become filled with a thick exudate with a central depression, a characteristic of smallpox rash. The fever returns with the change in the rash and generally stays high until ...

While many people outside of the medical or scientific fields may not be familiar with it, monkeypox isn't new. “We have ...

Of all the diseases ever suffered by humans, smallpox is the only one to be completely eradicated from the face of the Earth. The few known remaining samples are under heavy guard in research labs ...