
Upper East Side Cluster
Legionnaires' disease is a type of pneumonia. It is caused by bacteria (Legionella) that grow in warm water. Legionnaires' disease causes flu-like symptoms. If left untreated, complications from the disease can be serious and even fatal.
Legionnaires' disease is generally associated with bacteria found in water systems like cooling towers. This is not an issue with any building's plumbing system.
If you live in an affected area, you can continue to drink water, bathe, shower, cook, and use your air conditioner.
Symptoms
Symptoms of Legionnaires' disease include:
- Fever
- Chills
- Cough
- Confusion
- Diarrhea
- Difficulty breathing
- Fatigue
- Headaches
- Loss of appetite
- Muscle aches
You are at increased risk if:
- You have a medical condition that affects your breathing, like emphysema
- You smoke
Prevention and Treatment
No vaccine or medicine can prevent Legionnaires' disease, but it can be treated with antibiotics. Most people get better with early treatment.
If you have symptoms, seek medical care right away. This is especially important if you’re at higher risk.
Find a doctor through NYC Health + Hospitals.
Inspections
When Legionnaires' disease cases are reported, the NYC Health Department tests water samples from all active cooling towers in the affected area. If a test comes back positive, building managers will be ordered to disinfect them.
Search cooling tower inspection results.
Learn More
Learn more about Legionnaires’ disease.