Alert issued following reports of illnesses in LA County that may have been connected to raw oysters

The Los Angeles County Department of Public Health has issued a warning about a cluster of gastrointestinal illnesses potentially linked to raw oysters. This alert comes after 27 cases of illness were reported, connected to four different local restaurants.

The public health department, in collaboration with the California Department of Public Health, is actively investigating to confirm the source of these illnesses​​​​.

Risks Associated with Raw Oysters

Raw oysters can be a source of foodborne illnesses, especially when they are consumed uncooked. They may contain harmful pathogens like norovirus, Vibrio, and other bacteria that can cause gastrointestinal symptoms. The current spike in illnesses linked to raw oysters in Los Angeles County underscores the importance of exercising caution when consuming these shellfish.

It’s particularly vital for vulnerable groups such as young children, the elderly, and those who are immunocompromised to avoid raw oysters or to consume them with caution until the source of this outbreak is confirmed​​.

Symptoms and Precautions

Individuals who have consumed raw oysters and are experiencing symptoms such as nausea, vomiting, diarrhea, or abdominal pain should seek medical attention. It’s essential to practice good hygiene, like washing hands frequently and cleaning commonly touched surfaces, to prevent the spread of illness.

The LA County Health Officer, Dr. Muntu Davis, emphasizes the need for caution and vigilance, advising consumers to be wary of eating raw oysters due to the potential risk of foodborne illness​​.

Reporting and Monitoring

The Los Angeles County Department of Public Health encourages anyone who believes they became sick from consuming raw oysters or any other food or drink to report their illness. This helps the department in tracking and responding to outbreaks more effectively.

Public Health continues to work closely with state health officials to monitor the situation and to identify the source of the illnesses to prevent further cases​​.


This situation in Los Angeles County serves as a reminder of the risks associated with consuming raw shellfish, particularly oysters. It highlights the need for public awareness about food safety, especially concerning raw seafood.

The ongoing investigation by health officials aims to ensure public health and safety and to prevent similar outbreaks in the future. Consumers are advised to stay informed and exercise caution when it comes to their food choices, particularly when eating raw oysters, until more information is available.

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