Two of the nation's largest unions called on President Bush yesterday to suspend smallpox vaccination of health care workers until the administration agrees to provide medical screening of volunteers ...

Smallpox has been eradicated worldwide since 1980 and is not held in check by vaccines, contrary to posts suggesting the deadly virus may circulate again if vaccines become optional. The posts were ...

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.

A study by co-authors from the ECDC, WHO and national public health institutes in four European countries, and published in Eurosurveillance, has found that prior smallpox vaccination in childhood ...