Norovirus cases are spiking this winter. Here's why — and what you need to know to protect yourself.

An infectious-disease doctor said that as more people gathered for the holidays, they created prime conditions for norovirus to spread.

Six simple ways to avoid illness on cruise ships

Norovirus is hardy and can resist acid conditions (like those in the gut) and moderate temperatures (at which we wash clothes or reheat food, for example). Further, many chemicals used in cleaning ...
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What Is Norovirus?

Norovirus is a very contagious virus that causes gastrointestinal illness in humans. It is the most common cause of illnesses from contaminated food in the United States — an estimated 20 million ...