11 Tuberculosis Cases Linked to California Grand Casino; Officials Urge Testing for Past Visitors Since 2018

Public Health Officials Reach Out to Approximately 300 Possible Exposures; Genetic Testing Confirms 10 Cases, With an Additional One Pending Results - Casino Operation and Staff Not Identified as Source of Transmission.

• Eleven cases of tuberculosis have been linked to California Grand Casino in Pacheco, California, with individuals visiting the casino between 2018 and 2023 being potentially exposed.
• Genetic testing confirmed that ten of the cases are linked, and the eleventh case is still pending results. The transmission source at the casino has not been identified.
• Public health officials have reached out to approximately 300 people who may have been exposed to tuberculosis at the casino, urging anyone who visited or worked there in the last five years and who has not been contacted to get tested.
• While tuberculosis is an infectious disease that can spread through close contact, not everyone exposed becomes sick. The bacteria can live inside an individual for many months or years before the person becomes sick and contagious.
• According to the casino spokesperson, none of the linked cases involve their staff or are currently contagious, and they are collaborating with the county for notifications and testing.

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