Developing Story Note: This report covers new developments involving a Legionnaires' disease cluster in the South Bronx. Information may change as the NYC Health Department releases additional findings. Latest verified update: the department's announcement on the evening of Thursday, Sept. 10, 2026, with case figures current as of that announcement.
New York City health officials are investigating a likely community cluster of Legionnaires' disease in the South Bronx after five people were diagnosed and one person died, the city announced Thursday evening. The cluster covers parts of Melrose and Morrisania in ZIP codes 10451 and 10456, and results for other possible cases are pending, ABC7 New York reported.