The DuPage County Health Department closed the spa facilities on Oct. 23, 2013 and reopened the hot tub on Jan. 10, according to a health department press release.
Both of the men who contracted Legionaires' disease were hospitalized and subsequently recovered from the disease and have since been discharged, according to the news release.
Tests done on the facility's hot tub showed returned positive results for Legionnaires' disease while tests done on the health club's pool and showers yielded negative results for the disease, according to the Daily Herald.
LA Fitness in Naperville worked with the DuPage Health Department and followed state-reommended guidelines for "appropriate remediation followed by clearance testing and continued monitoring," according to the news release.
"Legionella bacteria are found naturally in the environment, usually in warm water," according to the DuPage County Health Department. "Keeping Legionella