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Press Release

Media Availability 4:30 p.m.-5:30 p.m. Regarding Antioch Public Health Investigation

Tuesday, November 29, 2016

Contra Costa Health Services (CCHS) is investigating several new cases that are likely related to a foodborne illness outbreak reported in Antioch over the weekend.

Media availability is scheduled from 4:30 p.m. to 5:30 p.m. today at 597 Center Ave. in Martinez, Room 120, with Environmental Health Director Marilyn Underwood and Dr. Louise McNitt, Communicable Disease Medical Director, available to answer questions.

Anyone who ate food from the Thanksgiving Day event at the Antioch American Legion auditorium, 403 West Sixth St., and is now feeling ill should immediately contact their medical provider.

Anyone who is not ill, but has food or drink from the event, should throw it away.

The general public can call 925-313-6740 for more information.

Media representatives should call CCHS Public Information Officer Victoria Balladares at 925-383-9367 or

Eight cases of possible foodborne illness connected to the incident, including three that resulted in death, were reported to Public Health on Nov. 25 by Sutter Delta Medical Center in Antioch.

All of the eight patients reported by Sutter Delta ate food from the holiday event.

CCHS investigators on Tuesday contacted an additional eight people who were likely sickened by food or drink from the same event. None of those patients are currently hospitalized.

Investigators are in the process of collecting biological samples from the reported cases for testing at county and state public health laboratories.

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  • Victoria Balladares,