Fifth Fatality Reported in New York City Legionnaires' Disease Outbreak

New York City health officials said a fifth person has died from Legionnaires’ disease, bringing the death toll to five as the outbreak continues to affect the Upper East Side. The department has confirmed Legionella bacteria in 34 cooling towers across 33 buildings and is cleaning all identified towers, while investigations into the source remain ongoing.

No new cases have been reported in the past ten days, and eight patients remain hospitalized. A total of 56 other individuals have been treated and discharged. The city is disinfecting 82 cooling towers in 80 buildings after inspections revealed contamination in several high-end residential complexes, private schools and museums, despite recent regulatory changes that increased testing requirements.

The Guggenheim Museum said an external contractor tests and treats its cooling tower monthly. The Health Commissioner, Dr. Alister F. Martin, said the department’s rapid response after the first two confirmed cases "saved lives" and pledged to review the investigation’s findings to improve policies and prevent future outbreaks.

The city has expanded its Legionella-focused staff, hiring additional water ecologists and supervisors, though the department currently operates with 35 of the intended 56 positions filled and is training more personnel. In the first half of the year, officials conducted nearly 1,600 cooling-tower inspections, a 35% increase over the same period last year.