Giving Antibiotics to Animals Can Harm People

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By Molly Grady

An international team of scientists says it has proof the life-threatening MRSA superbug got its resistance from farm animals that were injected with antibiotics.

Researchers say that MRSA began as a basic staph infection in people and then migrated to food animals like cows, pigs and turkeys.

There the bacteria developed a resistance to some antibiotics before migrating back to people.

Now the drug resistant bacteria is hard to treat in people.

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