A new strain of stomach bug sweeping the globe is taking over in the U.S., health officials say. Since September, more than 140 outbreaks in the U.S. have been caused by the new Sydney strain of norovirus. It may not be unusually dangerous; some scientists don’t think it is. But it is different, and many people might not be able to fight off its gut-wrenching effects.
Clearly, it’s having an impact. The new strain is making people sick in Japan, Western Europe and other parts of the world. It was first identified last year in Australia and called the Sydney strain. In the U.S., it is now accounting for about 60 percent of norovirus outbreaks, according to report released by the Centers for Disease Control and Prevention.
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