Disneyland has shut down two cooling towers after people who visited the Southern California theme park came down with Legionnaires' disease.
The 12 cases of Legionnaires' were discovered about three weeks ago, in patients whose ages ranged from 52 to 94, according to the Orange County Health Care Agency, the Los Angeles Times reported.
Disneyland shut down two bacteria-contaminated cooling towers after the cases of the disease were reported. Legionnaires' disease is caused by bacteria growing in water that can spread when small droplets get into the air and people breathe them in, according to the CDC. Of that total, nine had visited the park in September, and the remainder lived or traveled in Anaheim.
The county health agency alerted health care providers to keep an eye on anyone who visited Anaheim or Disneyland and contracted Legionnaires' disease before November 7.
Of the 12, 10 have been hospitalized and one has died.
The towers were treated with a chemical that kills the bacteria and brought back into operation Sunday, according to the Register. "We have proactively shared this information with OCHCA and given our actions, they have indicated there is no longer any known risk associated with our facilities".
Those most at risk of getting sick from Legionella infection include people who are smokers, have chronic lung disease or weak immune systems, and people over the age of 65.
Walt Disney Parks and Resorts Chief Medical Officer Pamela Hymel said Disney conducted more tests on all of their water towers.
In Orange County, 55 cases of the disease have been reported this year.
On Nov. 3, Disney informed the health agency that routine testing had detected elevated levels of Legionella bacteria in two cooling towers a month earlier. The towers were taken out of service November 1, disinfected, went back in operation on November 5 but were shut down again Tuesday and will remain offline until tests confirm they are free from contamination, according to the park and the county health agency. Thank you very much! It takes less than a minute.