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Norovirus in Oysters Imported to San Diego

FDA links flu-like symptoms to shellfish from South Korea.

2024-04-17T12:10-07:00

The Food and Drug Administration is warning San Diego residents about norovirus in imported oysters. Officials have traced the viral outbreak to JBR, a processing plant in South Korea. The FDA is advising restaurants and individuals to avoid purchasing oysters with the label “Amazing Sea Brand”.

What is Norovirus?

According to the Centers for Disease Control, norovirus presents flu-like symptoms such as diarrhea, nausea, and vomiting. Symptoms typically appear 12 to 48 hours after exposure, and the illness usually lasts up to three days. During this time the virus may spread as the patient sheds billions of viral particles. Those infected can still spread the virus a few days after symptoms subside.

The CDC classifies norovirus as very contagious, especially among certain groups who are more genetically predisposed to infection. Dehydration is the main concern for an infected person. It is vital that patients drink plenty of water. There is no ensured immunity after contracting norovirus due to its many different types.

Hand washing and disinfecting surfaces are key measures in stopping the spread of norovirus. The CDC warns against using hand sanitizer as a substitute for hand washing, but sanitizing after washing is fine.

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