11 Tuberculosis Cases Linked to California Casino Since 2018, Health Officials Urge Testing

Over 300 people contacted after TB outbreak at California Grand Casino, with most cases genetically linked and associated with staff or casino patrons; health officials have yet to identify ongoing source of transmission.

• 11 cases of tuberculosis, a highly infectious disease, have been linked to the California Grand Casino in Pacheco, with health officials urging staff and visitors to get tested due to the potential exposure.
• Of these 11 cases, 10 have been genetically linked and are associated with the casino's staff or patrons, indicating a connected transmission within the facility over the past five years.
• The Contra Costa Health department has made contact with over 300 individuals who may have been exposed to active tuberculosis at the casino, emphasizing the need for testing even in the absense of symptoms as the disease can live undetected in a person for years.
• While the department has not yet identified a current or ongoing source of transmission, the casino's management is working closely and actively collaborating with them to test and screen all staff to maintain public health and safety.
• There has been a resurgence of tuberculosis cases nationwide, nearing pre-pandemic levels, possibly as a result of missed, misdiagnosed, or delayed diagnoses during the global health crisis.

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