An unidentified man plays a slot machine at The Rio Hotel and Casino in Las Vegas, in this Dec. 3, 2004, file photo. Two recent hotel guests at the Rio contracted Legionnaires’ disease, a lung infection that causes pneumonia-like symptoms.
An unidentified man plays a slot machine at The Rio Hotel and Casino in Las Vegas, in this Dec. 3, 2004, file photo. Two recent hotel guests at the Rio contracted Legionnaires’ disease, a lung infection that causes pneumonia-like symptoms. Laura Rauch Associated Press File
An unidentified man plays a slot machine at The Rio Hotel and Casino in Las Vegas, in this Dec. 3, 2004, file photo. Two recent hotel guests at the Rio contracted Legionnaires’ disease, a lung infection that causes pneumonia-like symptoms. Laura Rauch Associated Press File