date:Jun 12, 2012
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The most deadly E. coli strain is considered to be E. coli O157:H7, which made many headlines in the early 1990s during a deadly outbreak associated with hamburger meat. Six similar E. coli strains are also considered dangerous, including E. coli O145. E. coli O145 hasnt been tracked by health officials intensively for very long; just in 2009 did the CDC begin to recommend laboratories test for it.
These are not newly emerging bacteria. Our awareness of them has been improving, said Stacey Bos