A study of a smallpox vaccine that could prove vital in the United States' war on bioterrorism is under way at Stanford Medical Center. The trial tests the potency of the Dryvax vaccine, a 1970s-era ...

Smallpox, the only human infectious disease to have been successfully eradicated, ailed people at least 1,000 years earlier than previously thought. A study of DNA sampled from Viking Age skeletons ...

As so many people around the globe contemplate what their lives might look like after the pandemic, new research on smallpox might help provide insight. Researchers revealed nearly three centuries of ...

Smallpox was a severe infectious disease that affected humans for thousands of years before its eradication in the late 20th century. The symptoms included a distinctive rash, pustules, and fever.