An outbreak of Legionnaires’ illness in New York Metropolis has killed three individuals and sickened greater than 5 dozen since late July.
This sort of pneumonia is attributable to the micro organism Legionella, which grows in heat water. The instances from the cluster have been present in 5 Harlem ZIP codes: 10027, 10030, 10035, 10037 and 10039, together with the bordering communities, in keeping with well being officers.
Right here’s what to know.
What’s Legionnaires’ illness?
Legionnaires’ is a sort of pneumonia, or a lung an infection, the state DOH stated.
The legionella micro organism may result in a milder sickness known as Pontiac fever, which resembles flu-like signs.
How does it unfold?
Legionella micro organism unfold when somebody inhales tiny droplets of contaminated water, generally present in scorching tubs, industrial air-con programs, ornamental fountains, plumbing programs and even consuming water.
Outbreaks typically happen in giant and sophisticated water programs present in locations like motels, hospitals, and cruise ships.
The micro organism may survive and unfold in soil, sometimes inflicting infections when individuals backyard utilizing contaminated soil.
Nonetheless, generally, individuals don’t transmit Legionnaires’ illness or Pontiac fever to others.
ICYMI: We’re investigating a Legionnaires’ illness cluster in Central Harlem (ZIP codes 10027, 10030, 10035, 10037, and 10039).
In the event you stay in considered one of these ZIP codes and have flu-like signs, search medical consideration. Be taught extra: https://t.co/BHUN2E70nf pic.twitter.com/JAGXgxoIsG
— nychealthy (@nycHealthy) August 5, 2025
What are the signs?
Signs of Legionnaires’ illness usually seem between two to 10 days after publicity to the micro organism and may embody:
Headache
Muscle aches
Shortness of breath
Cough
Fever
The New Jersey Division of Well being famous that the signs could be much like these of COVID-19 and different respiratory diseases just like the flu. Solely exams ordered by a health care provider can verify a prognosis.
Who’s at larger threat?
These most inclined to Legionnaires’ illness embody adults over 50, people with weakened immune programs or power situations, and people who smoke.
It’s rarer for wholesome people who find themselves uncovered to the legionella micro organism to develop Legionnaires’ illness.
Can it’s handled?
Antibiotics are used to deal with Legionnaires’ illness, although it typically requires hospitalization.
Anybody suspecting publicity to Legionella or experiencing signs of Legionella illness or pneumonia ought to promptly contact a health care provider. It’s essential to say any publicity to Legionella, scorching tub use, latest travels, or hospital stays previously two weeks.
For extra info on Legionnaires’ illness, go to the CDC web site.
