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Gut microbes alter characteristics of norovirus infection

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Findings, in mice, could guide research into future therapies.

The highly contagious norovirus causes diarrhea and vomiting and is notorious for spreading rapidly through densely populated spaces, such as cruise ships, nursing homes, schools and day care centers. Each year, it is responsible for some 200,000 deaths, mostly in the developing world. There are no treatments for this intestinal virus, often incorrectly referred to as stomach flu.