By Cassie N. Saunders, County of San Diego Communications Office

January 19, 2024 (San Diego) -- The investigation of oyster-linked illnesses by County of San Diego health officials has expanded to include additional oyster harvest locations in Mexico. Health officials are recommending consumers and restaurants throw away any oysters imported from locations in Mexico until further notice. 

The local norovirus outbreak now includes 69 confirmed and probable cases. The severity of the infections in San Diego County has remained mild, with no hospitalizations reported to date. The initial investigations identified 41 probable and confirmed norovirus cases linked to oysters harvested in Sonora, Mexico. The sickened patrons dined at the Fish Shop chain and Carlsbad Aquafarm. Twenty-eight more cases have been added including 20 who ate oysters from other food venues. 

Source:  FDA                                      

April 10, 2022 (Washington D.C.) -- The U.S. Food and Drug Administration, along with the Centers for Disease Control and Prevention (CDC), Canadian authorities, state and local partners, are investigating a multi-state outbreak of Norovirus illnesses linked to raw oysters that were widely distributed, including in California.

September 27, 2011 (Washington D.C.) -- The U.S. Food and Drug Administration is warning consumers not to eat raw oysters harvested from an area in Washington State following an outbreak of illness caused by Vibrio parahaemolyticus bacteria. The oysters were distributed in 23 states, including California.