Announcement of the latest death comes just hours after city officials identified 12 cooling towers in 10 Harlem buildings that tested positive for Legionnaires' disease.

Health officials in New York City say a cluster of Legionnaires’ disease in Central Harlem has grown to 99 cases, including four deaths .

“Why weren’t these cooling towers properly maintained? Who dropped the ball and why?” raged Nichole Ingram, who fell ill with Legionnaires’ disease around July 24 after she attended a funeral service...