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Posted in Legionella,Legionnaire's disease,Our Blog,Outbreaks & Recalls on July 9, 2026
Those living in the Upper East Side neighborhoods of Carnegie Hill and Yorkville have no doubt heard about the deadly lung infection sweeping their neighborhoods. The New York City Department of Health has sent notices, held town halls, and the news is extensively covering the situation.
With all of the information bombarding residents in Carnegie Hill and Yorkville, a quick list of facts can help you decode the clutter.
So, here’s what we know so far about the Legionnaires’ disease outbreak in the Carnegie Hill and Yorkville Upper East Side neighborhoods!
A specific building or area has not yet been narrowed down. Sick people report living, working, and/or visiting zip codes 10028, 10128, and 10075. Which correspond to the Upper East Side neighborhoods of Carnegie Hill and Yorkville.
As of July 8, 2026 at least 32 cases have been identified in this Legionnaires’ disease cluster. At least 22 have been hospitalized. No deaths have been reported.
More cases have been added since the last reporting. Others still will likely be added before the outbreak is over.
Legionnaires’ disease is the illness associated with a Legionella bacterial lung infection. It happens when airborne Legionella germs are inhaled. Once they make their way into the lungs, they begin to reproduce and cause damage and illness.
According to the New York Department of Health, when there are multiple people in a neighborhood with Legionnaires’ disease, such as this community cluster, health authorities consider cooling towers, hot tubs, and spray fountains as potential sources.
When cases involve multiple Legionnaires’ disease diagnosis in people who live in the same building (known as a building cluster), a building’s plumbing system is examined. In many cases it involves the hot water system. In these cases, primary exposure risk comes from shower or sink water mist.
When this happens, a building’s residents can be exposed through water mist when they shower.
For now, the New York Department of Health says that the problem is likely from air coming off of cooling towers. Residents should not be concerned about their plumbing.
“This is not an issue with any buildings plumbing system. Residents in these ZIP codes can continue to drink tap water, bathe, shower, cook, and use your air conditioner at home.”
Investigators are working to track down which cooling tower is responsible to ensure it is decontaminated. Sampling activities in cooling towers occur when two or more confirmed Legionnaires’ disease cases are associated with the same building (and/or shared hot water system) within a 12-month period.
Anyone exposed to Legionella bacteria is at risk of contracting Legionnaires’ disease. However, there are some groups of people who are more likely to become sick if exposed. Or experience more serious illness if they become sick.
Those at increased risk include:
Legionnaires’ disease generally produces respiratory and flu-like symptoms. It is often confused with pneumonia due to overlapping symptoms.
People with Legionnaires’ disease often experience cough, shortness of breath, fever, muscle aches, headaches. Other symptoms may include diarrhea, nausea, and/or confusion.
Most people begin feeling sick within two weeks of exposure. Though some may take a bit longer.
The only way to know for sure if your illness is Legionnaires’ disease and not some other respiratory illness is a specialized laboratory test. If you are experiencing Legionnaires’ disease symptoms, reach out to your health care provider and inform them of your recent exposure.
New York Health Department is urging anyone with symptoms to reach out to their health care provider and report their illness.
“Any New Yorkers who currently live or work in this area or people who have visited the area since late June and are experiencing flu-like symptoms, such as cough, fever, or difficulty breathing should contact a healthcare provider immediately. For help finding a provider, regardless of immigration or insurance status, visit NYC Health + Hospitals or call 311 or 844-NYC-4NYC (844-692-4692).
If you have been impacted by Legionnaires’ disease in Carnegie Hill or Yorkville, it is a good idea to get advice from an experienced Legionnaires’ disease lawyer.
An experienced Legionnaires’ disease lawyer can:
Legionnaires’ disease is a preventable illness. Routine cleaning and safety procedures required by health codes exist to prevent situations like this. You have the right to hold the liable party responsible for your affliction. Specifically, you may be entitled to sue to receive compensation for medical bills, hospital stay, reparation for lost wages, any injuries sustained due to the disease, pain and suffering, and/or damages for wrongful death.
The Lange Law Firm, PLLC has won millions of dollars in Legionnaire’s’ disease cases for families in situations just like yours.
If you or a family member has visited or stayed in the Carnegie Hill and Yorkville area and have been impacted by Legionnaires’ disease, The Lange Law Firm, PLLC has a Legionnaires’ disease lawyer that can help.
Call (833) 330-3663 or send an email for a free, no-obligation consultation.
Don’t wait! Call today!
By: Heather Van Tassell (contributing writer, non-lawyer)