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2017 AOTY/DOTY Entry

Topic: CDPH Lifts Warning About Certain Shellfish from Del Norte and Marin Counties  (Read 84 times)

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Hojoman

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June 6, 2017

The California Department of Public Health (CDPH) lifted health advisories today related to certain sport-harvested bivalve shellfish in Del Norte and Marin counties.

For Del Norte County, the advisory is being lifted for whole scallops and clam species other than razor clams. For Marin County, the advisory is being lifted for whole scallops and all clams. The health advisories were issued due to elevated levels of paralytic shellfish poisoning (PSP) toxins. Recent tests show that PSP toxins have decreased to safe or undetectable levels. There have been no reported illnesses associated with these PSP events.

The CDPH warning against eating sport-harvested razor clams from Del Norte and Humboldt counties due to dangerous levels of another toxin, domoic acid, remains in effect, as does the statewide annual quarantine on sport-harvested mussels.

PSP toxins affect the central nervous system, producing a tingling around the mouth and fingertips within a few minutes to a few hours 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 or the CDPH Annual Mussel Quarantine - Frequently Asked Questions (FAQ) web page.