• This undated file image made available by the Centers for Disease Control and Prevention shows a large grouping of Legionella pneumophila bacteria (Legionnaires' disease). Legionnaires' disease has been reported in a handful of states in the summer of 2015, leading to multiple deaths and more than 100 illnesses. The unrelated cases are part of a typical pattern seen with a disease that tends to appear in warm weather and is mostly dangerous for people who are already sick or weakened. (Janice Haney Carr/Centers for Disease Control and Prevention via AP, File)

    Legionnaires’ outbreaks not unusual in summer & early fall

    CHICAGO (AP) — Legionnaires’ disease has been reported in a handful of states this summer, leading to 19 deaths and more than 100 illnesses. The unrelated cases are part of a typical pattern seen with a disease that tends to appear in warm weather and is mostly dangerous for people who already are sick or weakened.

    Updated: 2:12 pm