PHILADELPHIA, Pa. — Frozen vials labeled “smallpox” that were recently discovered at a Pennsylvania facility contained no trace of the virus that causes the eradicated disease, according to the ...

Several vials labeled "smallpox" have been found at a vaccine research facility in Pennsylvania, the US Centers for Disease Control and Prevention said Tuesday. Several vials labeled "smallpox" have ...

Frozen vials with “smallpox” labels found at a Pennsylvania lab contain the virus used in the vaccine for the virus and not the virus that causes the disease, public health officials said Thursday.

Federal health authorities on Wednesday confirmed the discovery of some frozen vials labeled "Smallpox" in a freezer at a facility in Pennsylvania that conducts vaccine research. The Centers for ...

Smallpox can be deadly even after it is freeze-dried, but the virus usually has to be kept cold to remain alive and dangerous. In an interview Tuesday, a CDC official said he believed the vials were ...

Well, this is disconcerting. According to an announcement today from the National Institutes of Health (NIH), vials of the smallpox virus were found in a lab in Maryland that was not only unapproved ...

ATLANTA – A government scientist cleaning out an old storage room at a research center near Washington made a startling discovery last week – decades-old vials of smallpox packed away and forgotten in ...

National Institutes of Health workers preparing to move a lab in Bethesda, Md., found an unwelcome surprise in a storage room this month: six vials of smallpox. There is no evidence that any of the ...