The US Centers for Disease Control and Prevention (CDC) has replaced its longtime head of national lab regulation after a series of key lab safety breaches involving bioterror pathogens like Bacillus anthracis—which causes anthrax—and H5N1 avian flu viruses, USA Today reported yesterday.
Federal and state officials yesterday downgraded the number of Escherichia coli cases linked to Chipotle restaurants in Washington and Oregon to 37, down from 50 on Nov 12.