Polar bear droppings advance superbug debate

Scientists investigating the spread of antibiotic-resistant superbugs have gone the extra mile for their research - all the way to the Arctic. Researchers writing in the open access journal BMC Microbiology found little sign of the microbes in the droppings of polar bears that have had limited or no contact with humans, suggesting that the spread of antibiotic resistance genes seen in other animals may be the result of human influence.

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