Tue., July 8, 2014 6:15pm (EDT)

In A Lab Store Room, An Unsettling Surprise: Lost Vials Of Smallpox
By Geoff Brumfiel
Updated: 1 month ago

Scientists at the National Institutes of Health made an unpleasant discovery last week as they cleaned out an old laboratory: The lab contained vials of the smallpox virus, previously unknown to authorities. The vials have since been transferred to a secure lab at the federal Centers for Disease Control and Prevention in Atlanta.

Copyright 2014 NPR. To see more, visit http://www.npr.org/.