Smallpox may be contagious during the prodromal period. Appearance of a rash marks the third stage of smallpox; this period lasts from 14 to 17 days. The rash appears as small red dots in the ...

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

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 disease began with high fever and body aches. The infected person was most contagious when a rash appeared. But the hallmark of smallpox was the pus-filled swellings of the skin that left ...

After small pox was eradicated and vaccinations against the disease came to an end, people in parts of Africa started getting sick with something rarely seen before - mpox. Researchers eventually ...