Vancouver Coastal Health (VCH) is warning that there has been an increase in cases of norovirus associated with the consumption of raw B.C. oysters.
Since Monday (March 14), over 50 people have been affected with acute gastrointestinal illness, such as stomach pain, diarrhea and vomiting, after eating raw oysters, explains a news release. Lab testing has confirmed the presence of norovirus in some of the cases and it is suspected in others.
The BC Centre for Disease Control (BCCDC) has issued a notice to restaurants and retailers in B.C. to advise them of the risk.
Based on an investigation by the BCCDC, local and federal agencies, and the shellfish industry, affected harvest areas are being closed and will reopen when contamination is cleared.
Symptoms of norovirus
Symptoms of norovirus include nausea, cramping, chills, fever, vomiting and diarrhea, and usually occur 12-48 hours after consumption. If you experience these symptoms after eating raw oysters, call BC HealthLink at 811. If symptoms are severe or persist, seek medical attention.
How to cook oysters
To kill norovirus and other germs, it is recommended to cook oysters thoroughly, to an internal temperature of 90 degrees Celsius for 90 seconds before eating. Public health recommends against consuming raw oysters. Avoid cross-contamination of other foods during preparation and eat shellfish immediately after cooking.
How to report an illness of norovirus
Oyster-related illness should be reported to VCH for investigation by calling (604) 675-3800 or by e-mail to EHVC@vch.ca.
Learn more about the safe consumption of fish and shellfish with the BCCDC.
