A fourth resident of the Illinois Veterans’ Home in Quincy, Illinois was diagnosed with Legionnaires’ disease. Another case of Legionnaires’ disease was also recently confirmed in the Quincy area, but this case does not appear to be associated with the Veterans’ Home in any way. A spokesman with the Illinois Department of Veterans Affairs, Dave MacDonna, indicated that the source of the Legionella bacteria that is responsible for this fourth case associated with the facility has not yet been determined. The gentleman’s room, where he eats, where he relaxes, and the building where he lives have all been eliminated as possible sources of exposure to the bacteria. In light of four positive…