Case of Infantile Legionella Pneumonia After Bathing in Reheated and Reused Water.

A 1-month-old girl developed respiratory failure due to bilateral interstitial pneumonia after bathing in reheated and reused water. A molecular test for sputum and an environmental culture detected Legionella pneumophila serotype 1. This is the first report of infantile legionellosis contracted from a bathtub at home.