Shellfish Safety Warning Issued by CA Dept of Public Health: Sport-Harvested Bivalve Shellfish from San Mateo County by Editor • August 3, 2023 South San Francisco, CA August 3, 2023 Press Release CDPH July 28, 2023 Dangerous levels of paralytic shellfish poisoning (PSP) toxins have been detected in mussels from San Mateo County. The naturally occurring PSP toxins can cause illness or… Read more →