First Fatality Reported in Upper East Side Legionnaires’ Outbreak

New York City health officials said the first death has been recorded in the Legionnaires’ disease outbreak affecting the Upper East Side of Manhattan. The outbreak, first identified earlier this month, has sickened 67 people, though the daily number of new cases has fallen to roughly one in recent days.

"I am saddened to report that one person has died in connection with the Legionnaires’ disease community cluster on the Upper East Side," said Dr. Alister F. Martin, the city’s health commissioner, adding his condolences to the victim’s family.

Legionnaires’ disease, a severe pneumonia caused by Legionella bacteria that grow in warm, stagnant water, is often linked to rooftop cooling towers in the city. Aerosolized water vapor from these towers can carry the bacteria into surrounding streets, posing a higher risk to older adults and individuals with chronic health conditions.

City investigators have been sampling cooling towers across several ZIP codes on the Upper East Side to locate the source, and dozens of property owners have been ordered to drain and disinfect their systems. While most of the 67 infected patients have been discharged, 12 remained hospitalized as of Thursday night.

Health officials noted that the outbreak appears to be winding down, with new diagnoses dropping from the typical five to ten per day in early July to about one per day now.