The water towers are situated in a backstage area near the New Orleans Square Train Station, and are more than 100 feet from areas accessible to guests, according to a Disneyland Resort spokeswoman.
The Orange County Health Care Agency said 12 people aged 52 to 94 contracted the disease. Ten were hospitalized; one who did not visit the park died. Walt Disney Parks and Resorts chief medical officer Dr. Pamela Hymel noted in a statement on the matter that Disney was informed on October 27 about the potential link the park had to the recent Legionnaires' disease reports.
Legionnaires' disease is essentially an extremely unsafe form of pneumonia caused by inhaling the freshwater Legionella bacteria, which thrives in water systems like cooling towers, fountains, and hot tubs or pools that are not treated, per the Centres for Disease Control.
Legionnaires' disease is a severe, often lethal, form of pneumonia. Disney took the towers out of service on November 1, performed more testing and disinfection, and brought them back into service on November 5.
The outbreak was traced to the convention hotel's air conditioning system, and Legionnaire's disease has since been sourced to contaminated water or mist.More news: Turkey first to deliver relief supplies to quake-hit northern Iraq
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American authorities are investigating 12 cases of the bacterial lung infection that affected people living in or visiting Anaheim, California.
"These towers were treated with chemicals that destroy the bacteria and are now shut down", said Hymel.
Hymel says that most people who are exposed to the bacteria do not become ill, and those that are at risk are people who are immunocompromised, elderly, and or have chronic lung disease. "It can become a health concern if it grows and spreads in human-made water systems and then comes in contact with vulnerable persons who inhale small droplets of contaminated water".
'There is no known ongoing risk associated with this outbreak, ' the agency said. The towers underwent more testing and disinfection on November 1 and were running again four days later.
It is treated with antibiotics, which can improve symptoms and shorten the length of illness.