Apr 12, 2014, 11:45am EDT
September 9, 2014
A federal lab just discovered some ricin that had been missing for about 100 years
This poison surprise is actually good news. Here's why.
September 8, 2014
CDC anthrax lab head resigns after safety scandal
The departure comes after safety issues at more than one federal agency.
September 3, 2014
Could bubonic plague be used as a weapon?
If terrorists wanted to make another Black Death, how would it work?
August 19, 2014
US bioterror labs have disturbing safety record
Report suggests that the nation's laboratories might be even riskier than we thought.
July 21, 2014
Why CDC's lab mix-ups could be good for science
A Q&A with Dr. Mike Osterholm, one of the scientists who is calling for a rethink of lab safety practices
July 8, 2014
Oops: Old vials of smallpox found in storage room
The six glass vials appear to date back to the 1950s and were forgotten for decades.
June 27, 2014
How deadly viruses stay one step ahead of us
They evolve so darned fast. Here's why.
June 23, 2014
Anthrax: dozens possibly exposed, none ill yet
Why people are studying anthrax, and how things can go wrong
May 27, 2014
Why the world didn't decide to destroy smallpox
The virus is eradicated and only exists in two labs. Here's why no one is pulling the trigger.
May 4, 2014
Should we destroy the last samples of smallpox?
This disease once killed millions. Now it's officially eradicated, but research continues.
April 12, 2014
Scientists just published the recipe for superflu
Researchers took a deadly virus and mutated it so it spreads faster. Here's why public-health advocates are glad about that.