Stomach Flu 2024 Canada News. Flu season may be winding down, but health officials are noting a rise of norovirus in canada, the nasty stomach bug that can cause severe gastrointestinal symptoms. Noroviruses are the most common cause of acute gastroenteritis (stomach flu) in humans, accounting for more than 60% of cases.
Noroviruses are the most common cause of acute gastroenteritis (stomach flu) in humans, accounting for more than 60% of cases. However, outbreaks of enteric illness that may be caused by norovirus that occur in institutions (such as.