Two more deaths at an Ohio retirement community have been attributed to an outbreak of Legionnaires' disease as health officials continue to investigate the exact cause. Thirty-five people have become ill and four have died. Legionella bacteria have been found in an air-conditioning cooling tower and other locations at the retirement facility, according to initial results from the Centers for Disease Control and Prevention. The facility has superheated its water at least twice, installed filtering shower heads and is using bottled water to prevent further illness.

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