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antibiotic-resistant bacteria

It's a bacteria-eat-bacteria world, scientists say. Bdellovibrio bacteriovorus, shown here in false color, attacks common germs six times its size, then devours them from the inside out. Alfred Pasieka/Science Source hide caption

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Alfred Pasieka/Science Source

'Predatory Bacteria' Might Be Enlisted In Defense Against Antibiotic Resistance

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A piglet gets a shot of antibiotic at a farm in Illinois. The World Health Organization is calling for strict limits on antibiotic use in animals raised for food. The guidelines could push many countries, including the U.S., to restrict drug use on farms. Stacey Wescott/Chicago Tribune/TNS via Getty Images hide caption

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Stacey Wescott/Chicago Tribune/TNS via Getty Images