Disneyland was forced to shut down two of their cooling towers after multiple cases of Legionnaires' disease was found in park visitors.
The nine Disneyland cases are among 12 total cases that the Orange County Health Care Agency is investigating regarding people who live in or visited Anaheim in September.
"On November 3, 2017, Disney reported to HCA that records provided by a contractor indicated that (as part of their quarterly, routine testing) elevated levels of Legionella had been identified in (two of 18) cooling towers on October 2, 2017 and treated/disinfected by the contractor on October 4, 2017".
"These towers were treated with chemicals that destroy the bacteria and are now shut down", said Hymel.
There is no known ongoing risk associated with the outbreak, according to Good.
Twelve cases of the disease have been reported in the Anaheim area; among those, eight people had visited Disneyland in September and one worked there, the Register reports.
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Case ages range from 52-94.
Legionnaires' is a airborne disease which causes a form of pneumonia especially risky to people 50 years or older.
The two water cooling towers are located in a backstage area near the New Orleans Square Train Station, more than 100 feet from public areas.
Nine people have contracted Legionnaire's disease after visiting Disneyland in Anaheim, Calif. 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. The U.S. Centers for Disease Control and Prevention notified county officials of the outbreak among people who had traveled to Orange County.
"On Oct. 27, we learned from the Orange County Health Care Agency of increased Legionnaires' disease cases in Anaheim". The towers will reopen after it's confirmed they are no longer contaminated.
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.