An Electron Micrograph Of The Norovirus, With 27 32Nm Sized Viral Particles. Norwalk Viruses And Related Caliciviruses Are Important Causes Of Nonbacterial Gastroenteritis In The United States. An Estimated 181,000 Cases Of This Type Of Food Poisoning Occur Annually. (Photo By BSIP/UIG Via Getty Images)

Norovirus cases spike above 5-year average, PHAC says

Norovirus may be hitting Canadians harder this time of year with reported cases rising above previous averages, according to the Public Health Agency of Canada.

Global News
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