Recent health warnings have been issued regarding the consumption of raw shellfish harvested in Washington State due to potential norovirus contamination. The U.S. Food and Drug Administration (FDA) made this announcement on March 9, highlighting the risks linked to raw oysters and Manila clams collected from Drayton Harbor between February 13 and March 3, 2026.
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The warning specifically concerns oysters sourced from the Drayton Harbor Oyster Company and Manila clams obtained from the Lummi Indian Business Council. This advisory has arisen in response to a salmon outbreak associated with the consumption of raw oysters, which the Washington State Department of Health reported to federal officials on March 4.
The implicated oysters were primarily distributed within Washington State. In contrast, the clams were shipped to a range of destinations across the United States, including Arizona, California, Florida, Georgia, Illinois, Nevada, New York, Oregon, and Washington itself, suggesting a broader distribution network.
As a precautionary measure, the FDA strongly advises both restaurants and retailers to halt the sale and service of these contaminated shellfish. A call for immediate disposal of the products has been made, and businesses should connect with their distributors for necessary destruction protocols. Individual consumers, who may have purchased these items, are similarly urged to refrain from consuming them.
Norovirus is widely recognised as a highly contagious virus, which can lead to gastroenteritis—an infection causing inflammation of the stomach and intestines. Those infected may experience an array of distressing symptoms including diarrhoea, vomiting, nausea, and abdominal pain. Other associated symptoms may include fever, headache, and bodily aches. Generally, symptoms emerge between 12 to 48 hours following exposure, with most individuals recovering within a span of one to three days. However, it is necessary to note that the effects of the illness can be more severe among vulnerable populations such as young children, the elderly, and those with compromised immune systems.
One critical aspect of norovirus contamination is that food products might appear completely safe to consume. The FDA has highlighted that contaminated oysters and clams may look, smell, and taste normal, emphasising the importance of caution when eating raw shellfish.
In light of this outbreak, restaurant owners and food handlers are advised to implement rigorous cleaning and sanitisation protocols for food preparation surfaces and utensils that may have come into contact with the affected shellfish. These procedures are crucial in preventing potential cross-contamination and safeguarding public health.
The FDA has committed to ongoing monitoring of the situation and will provide updates as further information about the distribution and safety of the shellfish becomes available. As a precaution, consumers experiencing any symptoms linked to the consumption of raw shellfish are advised to seek medical attention promptly and report their illness to local health authorities.
In conclusion, this recent outbreak serves as a reminder of the food safety risks associated with consuming raw shellfish. Individuals and establishments alike must remain vigilant and adhere to health advisories to mitigate the risks posed by norovirus and protect public health.