5. Raw Oysters — Norovirus Contamination
The FDA has issued multiple advisories in 2025-2026 warning restaurants, retailers, and consumers not to eat certain raw oysters potentially contaminated with norovirus. Affected batches came from Washington State and British Columbia, Canada.
Norovirus causes severe vomiting and diarrhea and spreads extremely easily. The FDA recommends cooking shellfish thoroughly to reduce risk.
Source: FDA.gov — Food Safety Alerts, February-March 2026
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