The Vermillion County Health Department in central Illinois is investigating a possible link between three cases of Legionnaires' disease and a Danville-area hotel, according to a department advisory.
Two of the infected parties are from Michigan and visited the Danville Red Roof Inn together, while a third visited from northern Illinois. The visits took place between October 2015 and September 2016, according to The News Gazette.
Legionnaires' disease is a type of pneumonia caused by Legionella bacteria. It is not spread by person-to-person contact or by drinking water, but can be contracted by inhaling mist from infected water sources such plumbing systems and cooling towers.
The Illinois Department of Public Health collected water samples from the hotel's pool and whirlpool, which have been closed. Test results could take up to two weeks. No local cases have been reported to date.
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