Legionnaires’ Disease Outbreak in NYC Claims Fifth Life

NEW YORK — Health officials announced that a fifth individual has succumbed to an outbreak of Legionnaires’ disease in New York City. The New York City Health Department confirmed the bacteria’s presence in 34 cooling towers across 33 different buildings, all of which are currently undergoing cleaning. However, the source of the bacteria, which has already affected over 70 individuals in the past month, remains unidentified.

Interestingly, no new cases have been reported in the past ten days, according to the latest information from the department.

Legionnaires’ disease, a form of pneumonia, is generally treatable but carries a 10% mortality rate, as noted by the U.S. Centers for Disease Control and Prevention. It arises from Legionella bacteria that thrive in warm water and can disseminate through systems like hot tubs and building cooling equipment. It’s worth mentioning that it spreads via inhalation of contaminated water droplets rather than through person-to-person contact.

Currently, eight people remain hospitalized, while 56 others have been treated and released from hospitals as part of the outbreak on the Upper East Side.

The city is not just cleaning; they’re disinfecting a total of 82 cooling towers in 80 buildings. Inspections have revealed that some high-end residential buildings, private schools, and notable museums in the area had trace amounts of Legionella bacteria in their cooling systems. This is particularly concerning given that new regulations for testing were enacted just this spring, alongside a budget increase intended to hire additional inspectors.

Some building owners whose facilities tested positive claim they are proactively managing any potential Legionella risks. For instance, the Guggenheim Museum stated it employs an outside firm to conduct regular monthly testing and treatment of its cooling tower.

The ongoing situation feels, well, preventable and somewhat concerning. Jory Lange, a Texas attorney and representative for over 50 individuals impacted by a previous outbreak that led to seven fatalities in Harlem, voiced frustration over the recurrence of such incidents. He’s currently assisting at least three patients recovering from this recent outbreak.

“There’s no excuse for this to keep happening,” Lange expressed. “New York already has the best and strongest regulations… and yet this still keeps happening.”

In response, Health Commissioner Dr. Alister F. Martin highlighted that prompt actions taken by the department after the initial confirmed cases likely saved lives. He assured that the department would glean insights from the ongoing investigation to improve future policies and preventive strategies.

Following the Harlem outbreak, city officials authorized the hiring of 23 additional Legionella-focused water ecologists and supervisors, aiming to raise the total number of staff to 56. As it stands, the department employs 35, with another 14 undergoing orientation and training. The department indicated efforts are ongoing to complete the staffing goals.

Despite these challenges, the agency reported conducting nearly 1,600 cooling tower inspections in the first half of this year, marking a 35% increase compared to the same timeframe in 2025.