PHILADELPHIA (WABC) -- The US Centers for Disease Control and Prevention says several questionable vials found at a Merck facility in Montgomery County, Pennsylvania, did not contain variola virus, ...

PHILADELPHIA (AP) — 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.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Frozen vials labeled “Smallpox” that were ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Recently discovered vials labeled “smallpox” ...

(The Hill) – A researcher at a Merck facility outside of Philadelphia found several vials that were labeled “smallpox,” according to a local TV station. The vials were found in a freezer on Monday ...

(CNN) --Several vials labeled "smallpox" have been found at a vaccine research facility in Pennsylvania, the US Centers for Disease Control and Prevention said Tuesday. "There is no indication that ...

A lab worker at a vaccine research facility in Pennsylvania found a small number of frozen vials labeled "smallpox" in a freezer, the CDC said. Reading time 2 minutes A scenario ripe for a ...

Frozen vials labeled "Smallpox" that were discovered in a freezer at a vaccine research facility in Pennsylvania "contain no trace of virus known to cause smallpox," federal health officials said. The ...

Frozen vials labeled “Smallpox” were recently discovered by a laboratory worker at a Pennsylvania facility that conducts vaccine research, federal officials said. The vials were found while the worker ...

A worker at a Pennsylvania lab made a startling discovery, coming across frozen vials that were labeled as containing the deadly but eradicated smallpox virus, the Centers for Disease Control and ...