China is still recovering from the outbreak that has put the world’s health in check, that of the coronavirus, when it is already facing another one. 50 students at a school in Sichuan province are affected by a norovirus outbreak, which has alerted the country’s authorities. But what is norovirus?

According to the CDC (Center for Disease Control and Prevention) of the USA, noroviruses are highly contagious viruses, which usually present outbreaks between November and April, causing gastroenteritis and whose main symptoms are vomiting, diarrhea, nausea and stomach pain.

Noroviruses are spread from person to person or through contaminated food. As CDC reminds us, norovirus spreads very easily and quickly.

Fortunately, it is not a serious virus and symptoms last only a few days, but it is risky if the infected person is elderly, or in young children, pregnant women, or immunosuppressed patients. The main risk is severe dehydration.

One of the problems with norovirus is that there is no medication to combat it, so the only remedy is to hydrate yourself very frequently to combat fluid loss.

To prevent infection, CDC recommends washing your hands often; washing fruits and vegetables thoroughly; cooking seafood thoroughly; staying home while you are sick and for two more days after your symptoms have gone away; and avoiding preparing food for others while you are sick and for two more days after your symptoms have gone away.

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