New York City Confirms Fifth Death in Upper East Side Legionnaires’ Disease Outbreak Health officials have confirmed a fifth death in a Legionnaires’ disease cluster on Manhattan’s Upper East Side. As of late July 2026, the outbreak has linked to about 89 cases in the Carnegie Hill and Yorkville areas. Seven people remain hospitalized and 64 have been discharged. New cases have slowed, with no new diagnoses for about 10 days. Officials say cleaning of cooling towers has likely stopped the sou