Stomach Flu 2024 Canada Today. Noroviruses are a group of viruses that cause acute gastroenteritis, commonly referred to as the “stomach flu.” norovirus is a virus that causes vomiting and diarrhea in all ages. Norovirus infections are most common during the winter months but may occur at any time.
Norovirus outbreaks, also called the stomach flu, occur in b.c. Noroviruses are a group of viruses that cause acute gastroenteritis, commonly referred to as the “stomach flu.” norovirus is a virus that causes vomiting and diarrhea in all ages.