Norovirus cases are spiking in the US. They cause nausea, vomiting and diarrhea - and spread fast. Here's what you need to ...

This electron microscope image provided by the Centers for Disease Control and Prevention shows a cluster of norovirus virions. Washing your hands for 20 seconds prevents contacting the Norovirus.

Cases of norovirus, a wretched and highly contagious stomach bug, are surging in parts of the United States this winter, according to government data. The most recent numbers from the U.S. Centers ...

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Several years ago, when asked what food I shied away from, one of the six on my list was raw oysters and other raw shellfish.