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E. Coli The bacteria E. coli O157 lives happily inside cows, but can cause severe illness and even death in people. The problem for humans is that these bacteria can get onto meat during slaughter, or into the water supply. NPR's Joe Palca reports that scientists are testing new ways of protecting people from these dangers. They're concentrating on the cows, rather than the kitchen.

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E. Coli

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E. Coli

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The bacteria E. coli O157 lives happily inside cows, but can cause severe illness and even death in people. The problem for humans is that these bacteria can get onto meat during slaughter, or into the water supply. NPR's Joe Palca reports that scientists are testing new ways of protecting people from these dangers. They're concentrating on the cows, rather than the kitchen.