Outbreaks

Quick Outbreak Details: Dearborn Outbreak Overview In August 2025, health officials confirmed the presence of Legionella bacteria in the water system of Allegria Village, a

Quick Outbreak Details: In August 2025, Harlem experienced a significant Legionnaires’ disease outbreak, resulting in 114 confirmed cases and seven deaths. The New York City

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  March 2025 – April 2025 Confirmed Cases: 1 Deaths: 0 Exposure Source: Remains undetermined.  In

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  February 2025 Confirmed Cases: 4 Deaths: 0 Exposure Source: Building water system In February 2025,

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  February 2025 – April 2025 Confirmed Cases: 3 Deaths: 0 Exposure Source: Building water system

Quick Outbreak Details: Outbreak Dates December 2024 – January 2025 Confirmed Cases: 2 Suspected Cases: 3 Deaths: 0 Exposure Source: Freshwater systems within specific hotel

Quick Outbreak Details: Outbreak Dates October 29, 2024 – November 8, 2024 Confirmed Cases: 7 Deaths: 0 Exposure Source: Under investigation; suspected sources include cooling

Outbreak Summary: In October 2024, the YWCA Evanston/North Shore temporarily closed after two people were diagnosed with Legionnaires’ disease, a severe lung infection caused by

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  August 2024 – February 2025 Confirmed Cases: 2 Deaths: 0 Exposure Source: Hotel water systems 

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  2024 Summer – May 23, 2025 Confirmed Cases: 17 Deaths: 0 Exposure Source: Remains undetermined.