A Legionnaires’ disease outbreak on Manhattan’s Upper East Side has expanded to 14 confirmed cases, according to New York City health officials.
The outbreak is connected to ZIP codes 10028, 10128, and 10075, covering areas such as Yorkville and Carnegie Hill. At least one individual involved either resides, works, or has recently visited the 10075 zone.
Officials are advising anyone who has spent time along the eastern side of Central Park between East 76th Street and East 97th Street to monitor for symptoms like cough, fever, chills, and muscle pain.
Legionnaires’ Disease Explained
Legionnaires’ disease, a severe pneumonia caused by Legionella bacteria, poses serious health risks. Infection occurs through inhalation of contaminated droplets and can be fatal if not promptly treated.
The outbreak’s origin is under investigation. Cooling towers in the affected locations are being examined for potential bacterial sources. Cooling towers, often on rooftops, might emit mist containing Legionella.
Current Efforts and Public Safety Measures
Dr. Alister F. Martin, NYC Health Commissioner, praised the department’s epidemiologists, community health workers, and others working to inform and protect Upper East Side residents.
Mayor Zohran Mamdani assured that the outbreak isn’t linked to building plumbing or air conditioning units. Residents can safely consume tap water and use AC at home.
Updates will continue as more information arises. Those experiencing symptoms like fever, cough, or breathing issues should contact healthcare providers immediately.
Previous Outbreaks
The previous summer saw a Legionnaires’ outbreak in Central Harlem, with over 100 confirmed cases.
Sophia Compton, a writer with Fox News Digital, has a background in reporting on finance, energy, and tourism and has experience as a TV news producer. She holds a journalism degree from the University of Hawaii at Manoa.

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