4:00am

Tue June 7, 2011
NPR Story

Germany's E. Coli Outbreak Unlikely To Spread To U.S.

American public health officials are warning that the outbreak is a bellwether for what could be in store as E. coli strains evolve. For unknown reasons, some strains are releasing more toxins when attacked by antibiotics, and the toxins are causing more serious disease — and more deaths. NPR's Richard Knox reports.

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