A Merck vaccine research lab in the Philadelphia area was temporarily placed on lockdown Tuesday night after the discovery of "questionable" vials inside a freezer that were labeled "smallpox" and ...

Six vials of potentially deadly smallpox virus have been discovered in a place they shouldn’t have been — an unused corner of a storage room at a Food and Drug Administration laboratory in Maryland, ...

(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 ...

Hidden samples of the deadly virus raise serious security questions. July 8, 2014— -- Vials of the virus that causes smallpox were found in a National Institutes of Health research building that ...

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 ...

Hundreds of deadly virus samples have vanished from an Australian lab in a 'major breach' of biosecurity. Yesterday, Queensland Health Minister Tim Nicholls has announced that 323 vials of live ...

Add Yahoo as a preferred source to see more of our stories on Google. A bottle of smallpox vaccine is held by a doctor at CDC headquarters in Atlanta in 2003. (Tami Chappell/Reuters) (Reuters ...

Hundreds of vials containing samples of infectious diseases from an Australian lab are missing after "major breaches" and a government investigation is underway. It happened at Queensland's virology ...

Hundreds of vials containing deadly viruses have gone missing from a lab in Australia and remain unaccounted for. Queensland Health Minister Tim Nicholls made the shocking announcement earlier this ...