(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 ...

Update: The CDC says tests confirm the vials did not contain smallpox virus. Read the latest story here. Our earlier story is below. Philadelphia — Federal health authorities on Wednesday confirmed ...

Vials containing SARS fragments hint at vulnerability. A French lab has lost more than 2,000 vials containing fragments of the deadly SARS virus, which killed nearly 800 people in a 2003 epidemic ...

PHILADELPHIA (WPVI) -- 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, the ...

Routine inventory check detected missing vial of virus at Galveston National Laboratory Guanarito virus is carried by rodents in Venezuela but people can be infected ...

GALVESTON - The Galveston National Laboratory will adopt a newly developed method to track and inventory vials of potentially deadly pathogens as a result of a vial going missing last week that ...

The Centers for Disease Control and Prevention (CDC) on Thursday determined that vials found at a Pennsylvania facility this week with labels reading “smallpox” did not contain the virus that causes ...

Vials labeled 'smallpox' that were discovered in a freezer in a Philadelphia laboratory don't contain any traces of the deadly virus, federal health officials reveals. The Centers for Disease Control ...

Vials labeled with "smallpox" were found at a Merck facility in Montgomery County, Pennsylvania, where vaccine research is conducted, but it is unclear why the vials were there, according to the ...