Fox News
Deadly Legionnaires' disease outbreak sparks concern in major US city: Know the symptoms
Tuesday, July 7, 2026
A Legionnaires' disease outbreak on Manhattan's Upper East Side resulted in 23 confirmed cases and 17 hospitalizations, with cooling towers identified as the source. The New York City Department of Health and Mental Hygiene identified and disinfected the affected cooling systems. Legionnaires' disease symptoms include fever, cough, shortness of breath, muscle aches, and headache, typically appearing 2 to 14 days after exposure to contaminated water aerosols.
