Mysterious Legionnaires’ disease outbreak skyrockets to 14 cases across 2 NYC neighborhoods
A Legionnaires’ disease outbreak on Manhattan’s Upper East Side has risen to 14 confirmed cases in the Carnegie Hall and Yorkville neighborhoods. Health officials suspect a contaminated cooling tower but have not identified the specific source and are testing all towers in the area. No deaths have been reported, and officials advise residents to seek medical care if flu‑like symptoms develop.
- ▪Fourteen people have been diagnosed with Legionnaires’ disease in the ZIP codes 10028, 10128, and 10075, up from two cases reported earlier this week.
- ▪The likely source is a cooling tower in the area, prompting authorities to sample and test all nearby towers.
- ▪NYC Health Commissioner Dr. Alister Martin warned that the disease is not contagious but can be fatal if untreated, urging high‑risk individuals to watch for symptoms.
- ▪The City Council previously passed a bill requiring monthly testing of cooling towers during warm months to prevent similar outbreaks.
- ▪There have been no deaths linked to the current cluster, and officials say routine activities like bathing and using air conditioners remain safe.
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Metro Mysterious Legionnaires’ disease outbreak skyrockets to 14 cases across 2 NYC neighborhoods By Zoe Hussain Published July 5, 2026, 7:29 p.m. ET (function() { var overlay = document.getElementById("nyp-player-lcp-overlay"); if (!overlay) { return; } function hideOverlay() { overlay.remove(); } function afterDCL() { requestAnimationFrame(hideOverlay); } if (document.readyState === "loading") { document.addEventListener("DOMContentLoaded", afterDCL, { once: true }); } else { afterDCL(); } })(); See more of our coverage in your search results. Add The New York Post on Google The number of Legionnaires’ disease cases in an outbreak on the Upper East Side has risen to 14 — as local health officials are still racing to find the source.
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