According to new work by researchers from the Netherlands, New Zealand and the U.S. Centers for Disease Control and Prevention (CDC), about 14 percent of all norovirus outbreaks are attributed to contaminated food.
To estimate the proportion of illnesses transmitted through food globally, the researchers aggregated and analyzed data from norovirus outbreaks that occurred between 1999 and 2012 from three international surveillance systems and peer-reviewed literature.
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