Notice About Legionnaires’ Disease

The New York City Department of Health and Mental Hygiene is currently investigating a community cluster of 27 cases of Legionnaires’ disease in the Highbridge section of the Bronx (ZIP Codes 10452 and 10456) and bordering communities.

DC 37’s Safety and Health Unit advises those who may live or work in the Highbridge section of the Bronx or surrounding areas, to be aware of the Legionnaire’s disease cluster. Twenty-four people have been diagnosed with Legionnaires’ disease since May 3, 2022. Two people have died and several others are hospitalized.

The Health Department is sampling and testing the water from all cooling tower systems in the area of the cluster. The risk to most people is low, but if you have flu-like symptoms — such as cough, fever, chills, muscle aches or shortness of breath — see a health care provider right away.

Legionnaires’ disease is a type of pneumonia caused by bacteria (Legionella) that grow in warm water. You cannot get Legionnaires’ disease by drinking water that has Legionella bacteria. It is fine to drink cold water from the tap. When heating water for tea, coffee or cooking, start with cold water.

You are at a high risk for Legionnaires’ disease if you:

  • Are 50 years old or older
  • Smoke
  • Have a chronic lung disease
  • Have a weakened immune system
  • Take medicines that weaken your immune system

For more information or if you have questions, call 311 or the DC 37 Safety and Health Unit at 212-815-1685. To learn more and to track cases, visit Legionnaires’ Disease – NYC Health or email:

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