Feds issue norovirus warning as 279 people fall ill after eating raw B.C. oysters | Globalnews.ca

Federal well being officers have supplied an replace on a norovirus outbreak linked to uncooked B.C. oysters, which they now consider has sickened 279 individuals.

The Public Well being Company of Canada (PHAC) mentioned Thursday recollects of B.C. oysters have been issued on 4 dates since March 18, and that extra could possibly be issued.

Learn extra:

Norovirus warning issued as 50 people fall ill after eating raw B.C. oysters in 1 week

Some oyster harvesting areas on the B.C. coast have additionally been closed as federal and provincial well being and meals inspection officers examine.

The bulletin didn’t state which areas have been closed, however the recollects had been associated to reap areas 14-15 and 14-8, positioned between Denman Island and Vancouver Island.

Many of the norovirus circumstances linked to the outbreak (262) had been reported in B.C., nonetheless circumstances have additionally been documented in Alberta, Saskatchewan and Ontario. No deaths have been reported.

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Click to play video: 'Source of B.C.-based norovirus outbreak traced'

Supply of B.C.-based norovirus outbreak traced

Supply of B.C.-based norovirus outbreak traced – Jul 3, 2017

Earlier this month, Vancouver Coastal Well being issued its personal uncooked B.C. oyster warning, after linking 50 circumstances to the shellfish.

Norovirus can create extreme gastrointestinal misery, with signs that embody diarrhea, vomiting, nausea and abdomen cramps. PHAC says signs often develop inside 24 to 48 hours of consuming the affected product. Signs go for most individuals inside a day or two and undergo no lasting well being results.

People who find themselves pregnant or have compromised immune techniques, together with younger kids and the aged are at the next danger.

Anybody with extreme signs ought to contact their health-care supplier.

Learn extra:

Ocean currents tied to B.C.’s mysterious norovirus outbreak

The general public is being urged to not eat any of the recalled oysters, and to keep away from consuming any uncooked or undercooked oysters.

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Oysters ought to be cooked to an inner temperature of 90 C/ 194 F and for no less than 90 seconds earlier than consuming, in response to PHAC.

B.C. noticed one other norovirus outbreak linked to uncooked oysters in 2016 and 2017, which sickened an estimated 400 individuals throughout Canada.

Researchers with the B.C. Centre for Illness Management later linked that outbreak to norovirus in sewage carried by ocean currents, together with colder-than-usual climate that helped the virus survive.

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