Expanded E. Coli Testing on Hold Until June 4, U.S. Says
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A March deadline for companies to start tests for six strains of potentially deadly E. coli bacteria has been pushed to June 4 so meatpackers can make sure their methods work, the U.S. Agriculture Department said.
The new deadline will be announced today, the agency said in an e-mail. The USDA is planning to test raw ground beef for six strains of E. coli in addition to one strain, called