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The Boston Globe

Science

Stomach bug sweeping globe

NEW YORK — A new strain of stomach bug sweeping the globe is taking over in the United States, officials say.

Since September, more than 140 outbreaks across the country have been caused by the new Sydney strain of norovirus. It may not be unusually dangerous, but it is different, and many people might not be able to fight off its gut-wrenching effects.

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