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A health alert is raising concern across New York’s dining scene after federal officials warned that certain seafood sold in the state may be contaminated with norovirus, a highly contagious stomach virus.
Health authorities say the warning about NY Seafood Contaminated With Norovirus centers on specific shipments of oysters and clams that were distributed to restaurants and food retailers across multiple states, including New York. Officials say the shellfish may carry the virus even if they appear normal, making the alert particularly important for diners who enjoy raw seafood.
For a city known for its oyster bars, seafood towers, and raw bar culture, the advisory surrounding NY Seafood Contaminated With Norovirus has quickly become a major topic among restaurant operators and food safety officials.
According to the warning, the potentially contaminated seafood includes raw oysters and Manila clams harvested between February 13 and March 3, 2026. The investigation into NY Seafood Contaminated With Norovirus focuses on shellfish harvested during that timeframe that were later shipped to multiple states.
The products were harvested by:
Drayton Harbor Oyster Company
Lummi Indian Business Council
The shellfish were distributed to restaurants and food retailers across at least nine states, including New York.
Because these products often move quickly through supply chains, health officials say some may already have been served or sold before the alert about NY Seafood Contaminated With Norovirus was issued.
Norovirus is one of the most common causes of foodborne illness in the United States.
The virus spreads easily through contaminated food, surfaces, or close contact with infected individuals. When seafood like oysters or clams carries the virus, it can infect people who consume it raw or undercooked.
Symptoms usually appear 12 to 48 hours after exposure and can include:
Vomiting
Diarrhea
Stomach cramps
Nausea
Fever and body aches
Most people recover within a few days, but the illness can be more severe for young children, older adults, and people with weakened immune systems.
FDA officials say restaurants and retailers should not serve or sell the affected shellfish.
Instead, businesses are being instructed to:
Dispose of the seafood immediately
Contact distributors to arrange destruction
Sanitize kitchen equipment and surfaces
Cross-contamination is also a concern. If contaminated shellfish came into contact with kitchen tools or preparation areas, other foods could potentially become contaminated as well.
This isn’t the first seafood safety alert to impact New York diners recently. Just a few weeks ago, officials warned about a separate oyster recall affecting NYC restaurants and seafood suppliers.
We previously reported on that incident in our coverage “FDA Oyster Recall NYC: What Diners Need to Know.”
https://nycnewsnetwork.com/eatanddrink/fda-oyster-recall-nyc-what-diners-need-to-know/
While that alert focused on oysters and the current warning involves oysters and Manila clams potentially linked to norovirus, both cases highlight how quickly seafood safety issues can emerge within large food distribution network
New York City’s food culture includes a thriving seafood scene, from upscale oyster bars to neighborhood sushi counters.
Because raw oysters and clams are staples at many restaurants, safety alerts like this can quickly affect kitchens across the five boroughs.
Restaurant owners often work closely with distributors to track seafood shipments, meaning many businesses quickly remove potentially contaminated products once an alert is issued.
Still, health officials say consumers should remain cautious if they recently ate raw shellfish.
Food recalls and contamination alerts have become more visible in recent years as federal agencies strengthen monitoring of food supply chains.
Shellfish in particular are closely tracked because they can accumulate bacteria and viruses from the waters where they are harvested.
Even when seafood looks and smells normal, it can still carry pathogens like norovirus. Health authorities say that’s why quick alerts and recalls are essential to protect consumers.
Investigations into the current contamination alert are ongoing, and officials say additional information about distribution may be released as the review continues.
Health officials recommend that anyone who recently purchased or consumed raw oysters or clams should monitor for symptoms.
If illness develops, people are encouraged to contact their healthcare provider and report the symptoms to local health authorities.
Consumers who may still have the affected shellfish at home should discard the products immediately rather than attempt to cook or consume them.
What NY seafood may be contaminated with norovirus?
The alert involves certain raw oysters and Manila clams that were harvested in February and early March and distributed to restaurants and retailers in several states, including New York.
What symptoms does norovirus cause?
Norovirus commonly causes vomiting, diarrhea, stomach cramps, nausea, fever, and body aches. Symptoms typically begin within one to two days after exposure.
Should consumers still eat oysters or clams in New York?
Health officials say only the specific shellfish shipments involved in the alert should be avoided. Restaurants and retailers have been instructed to discard those products.