Norovirus outbreak at Welland hospital | Bullet News Niagara | Niagara Falls, Welland, Thorold, St Catharines, Fort Erie, Thorold
Noroviruses are a group of viruses that cause gastrointestinal illness. Symptoms are upset stomach, vomiting, stomach cramps, diarrhea, low grade fever, chills and a sore throat. The illness usually begins suddenly and the person may feel very sick. Symptoms last for 24 to 48 hours in a healthy individual, but it can take longer for some people.
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