New York City health officials are investigating a deadly outbreak of Legionnaires’ disease in Harlem that has left two people dead and 58 diagnosed with the rare but serious bacterial infection.
The cluster, which began on July 25, has been linked to the Harlem River Houses and the surrounding area. Most cases have occurred in Central Harlem ZIP codes 10037 and 10039.
What Is Legionnaires’ Disease?
Legionnaires’ disease is a type of pneumonia caused by Legionella bacteria, which are spread through inhaled water droplets — often from:
- Cooling towers
- Air conditioning units
- Hot tubs
- Fountains
- Large plumbing systems
It does not spread person-to-person and cannot be caught by drinking tap water.
Who Is at Risk?
According to the NYC Health Department, those most at risk include:
- People over 50
- Smokers or former smokers
- People with weakened immune systems
- Those with underlying lung conditions
What Are Legionnaires’ Disease Symptoms?
Legionnaires’ disease symptoms are similar to pneumonia or flu, and can include:
- Cough
- Shortness of breath
- Fever
- Muscle aches
- Headache
Anyone with symptoms is urged to seek medical attention immediately.
What Officials Are Doing
The NYC Department of Health is:
- Testing water systems and cooling towers in the affected area
- Disinfecting potential sources
- Conducting community outreach
- Urging residents with symptoms to visit nearby health clinics
“We are deeply concerned by this cluster and are working aggressively to identify the source,” said Dr. Ashwin Vasan, New York City Health Commissioner.
Important Notes for Harlem Residents:
- You can continue to shower, drink tap water, and wash hands safely.
- The risk is from inhaling mist, not water consumption.
- Free testing and medical care may be available through local clinics.
What’s Next?
The investigation is ongoing. Residents are encouraged to stay informed via:
- NYC Health Department alerts
- Local news updates
- Community meetings or tenant notices
NYC Legionnaires’ Disease Outbreak Summary:
- 2 Dead
- 58 Diagnosed
- Area: ZIP codes 10037 and 10039
- Cause: Inhalation of contaminated mist
- Status: Ongoing health department investigation
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