Legionnaires cluster emerging on Upper East Side, NYC officials say
Two People on the Upper East Side have been diagnosed with Legionnaires’ Disease, the New York City Department of Health and Mental Hygiene announced on Thursday. The NYC Health Department is currently investigating this community cluster, according to health officials.
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National story. 5 articles from 5 sources. Updated Jul 4, 2026.
Part of New York City's Legionnaires' disease outbreaks from Harlem to the Bronx
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2 sourcesTwo cases of Legionnaires' disease prompt Upper East Side investigation
Health officials investigate Legionnaires' disease cases on the Upper East Side
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2 sources2 stricken with Legionnaires' disease on Upper East Side, cluster investigated: NYC health officials
Legionnaires’ disease outbreak in 2 NYC nabes has health officials on high alert