The county has contacted more than 300 people who may have been exposed to active TB and is working with the casino to provide education to staff and to encourage testing.Ĭalifornia Grand Casino spokesperson Becky Warren said in a statement, 'Our foremost commitment is to ensure the safety of our customers and employees. 'Doesn't sound like it's cool, but people still here though, so didn't scare too many people away,' said Anthony Brown, a patron from Richmond who said he had not been told about the TB cases. 'I have not heard that before,' said Bob Lewis, a patron from Lafayette, 'That's the first I've heard anything about that.' Many patrons at the California Grand Casino in Pacheco were surprised to hear the news. Symptoms of active TB include a persistent or bloody cough, fever, weight loss, night sweats and fatigue.