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 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.

Vaccines are in the news a lot these days due to the hantavirus outbreak. There’s so much misinformation about vaccines that one article wouldn’t be enough to counter all the ridiculous claims, from ...