Meanwhile:

OFFICIALS at the Centers for Disease Control and Prevention recently discovered that at least 75 workers there had been exposed to possible anthrax infection.

and

Based on current reports, the problem arose when anthrax — incorrectly thought to be dead — was removed from the high-containment lab and exposed people who had no knowledge that they were in contact with live bacteria.

from

http://www.nytimes.com/2014/06/30/opinion/anthrax-thats-not-...