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CDPH Warns Consumers Not to Eat Sport-Harvested Bivalve Shellfish from Ventura County

Post Date:05/04/2018
Number: 18-028
Contact: Corey Egel | 916.440.7259 | cdphpress@cdph.ca.gov

SACRAMENTO – The California Department of Public Health (CDPH) is warning consumers not to eat recreationally harvested mussels, clams or whole scallops from Ventura County. Dangerous levels of paralytic shellfish poisoning (PSP) toxins have been detected in mussels from this area. The naturally occurring PSP toxins can cause illness or death in humans. Cooking does not destroy the toxin.

Health advisories due to PSP are also in place for Alameda, Contra Costa, Marin, Monterey, San Francisco, San Mateo, Santa Barbara, Santa Cruz and Sonoma, counties. These health advisories apply to the entirety of the counties including inside the San Francisco Bay.

This warning does not apply to commercially sold clams, mussels, scallops or oysters from approved sources. State law permits only state-certified commercial shellfish harvesters or dealers to sell these products. Shellfish sold by certified harvesters and dealers are subject to frequent mandatory testing to monitor for toxins.

Early symptoms of PSP include tingling of the lips and tongue, which may begin within minutes after eating toxic shellfish. These symptoms are typically followed by loss of balance, lack of muscular coordination, slurred speech and difficulty swallowing. In severe poisonings, complete muscular paralysis and death from asphyxiation can occur.

You can get the most current information on shellfish advisories and quarantines by calling CDPH’s toll-free Shellfish Information Line at (800) 553-4133. For additional information, please visit the CDPH Marine Biotoxin Monitoring Web page.