Stomach Flu 2025 Canada. Weekly overview of key trends in influenza (flu) activity in canada. The stomach flu (norovirus) is an acute form of gastroenteritis, or inflamed stomach or intestinal lining caused by a virus, bacteria or parasite.


Stomach Flu 2025 Canada

Often caused by norovirus, the. A severe outbreak of norovirus, the stomach flu, is surging across the united states as it has reached its highest levels for this time of year in over a decade, according to.

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