The California Department of Public Health has announced the annual quarantine of sport-harvested mussels along the California coast, beginning on May 1. This quarantine is in place to protect the public from poisoning that can lead to serious illness, coma, and even death. The quarantine applies to all species of mussels harvested for human consumption recreationally along the California coast. During this time, mussels can only be harvested for use as bait.
This quarantine is necessary due to elevated levels of PSP toxins and domoic acid in shellfish in Santa Barbara, Ventura, Los Angeles, Orange, and San Diego counties. These toxins are produced by certain phytoplankton consumed by shellfish, and cooking does not destroy them.
Symptoms of poisoning from these toxins can range from tingling of the lips and tongue to loss of balance, muscular paralysis, and even death. It is important to note that commercially sold shellfish from approved sources are not affected by this quarantine, as they are subject to frequent mandatory testing to ensure they are safe for consumption.
More information on the quarantine, PSP, and domoic acid can be found on the CDPH website. Additionally, for updated information on shellfish advisories and quarantines, individuals can visit the interactive map or call the CDPH Biotoxin Information Line. Public safety is a top priority, and the CDPH is taking necessary precautions to protect against shellfish poisoning in California.
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