Stomach Flu 2025 Canada Symptoms. It is sometimes called stomach flu, but it is not influenza. Noroviruses are the most common cause of acute gastroenteritis (stomach flu) in humans, accounting for more than 60% of cases.


Stomach Flu 2025 Canada Symptoms

A stomach infection, sometimes called gastroenteritis, can be caused by a viral, bacterial, or parasitic infection. Weekly overview of key trends in influenza (flu) activity in canada.

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