Noroviruses are a group of viruses that cause acute gastroenteritis, commonly referred to as the “stomach flu.”
Outbreaks are commonly reported in hospitals, long-term care facilities, child care centres and schools. Outbreaks are also being reported in restaurants, catered events, hotels, resorts and cruise ships.
Outbreaks occur throughout the year but the incidence is higher from the fall through to the late spring.
What are the symptoms?The most common symptoms are:
sudden onset of nausea
vomiting
non-bloody diarrhea
stomach cramps
Other symptoms may also include:
low-grade fever
chills
headache
muscle aches
fatigue
When do the symptoms start?The symptoms of norovirus usually begin 24 – 48 hours after you become infected.
What are the complications? Dehydration is the most common complication and can become a serious concern for people with poor health.
How long does it last?
The illness usually lasts between 12 to 60 hours.
How is it spread?Norovirus is found in the vomit and diarrhea of infected people. The virus is commonly spread from person to person via contaminated hands, food, utensils, surfaces etc. It can also spread through the air.
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