Outbreaks

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  June 5 – June 9, 2023 Confirmed Cases: 3 Deaths: 0 Exposure Source: Believed to

Quick Outbreak Details: In September 2025, a skilled nursing facility in Bloomingdale, Illinois, became the center of a public health investigation after two cases of

Quick Outbreak Details: In late 2025, the Chicago area faced a Legionnaires’ disease outbreak linked to a nursing facility, prompting investigations from health officials and

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases): Late August 2025 – September 2025Confirmed Cases: 71Deaths: 2 Exposure Source: Cooling towers are the

Quick Outbreak Details: Oklahoma City Outbreak Overview In August 2025, officials confirmed the presence of Legionella bacteria in two Oklahoma City metro facilities: Autumn House,

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. 

Outbreak Details: In July 2024, three individuals who visited Roaring River Lodge and RV Park in Cassville, Missouri, became ill with Legionnaires’ disease, a dangerous

Quick Outbreak Details: In summer 2024, what should have been a safe and peaceful environment for seniors at Peregrine Senior Living in Albany, New York,

Quick Outbreak Details Outbreak Dates (First to Most Recent Cases): June – July 2024 Confirmed Cases: 7 Deaths: 0 Exposure Source: Cooling tower at RiverWalk

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  April 2024 Confirmed Cases: 1 fatal case (confirmed), 1 probable, several tested Deaths: 1 Exposure

Quick Outbreak Details: Outbreak Dates October 2023 – December 2023 Confirmed Cases: 2 Deaths: 1 Exposure Source: Hot tub at Mountain View Grand Resort In

Quick Outbreak Details: The New York City Department of Health and Mental Hygiene is currently looking into a Legionnaires’ disease outbreak tied to River Park

Quick Outbreak Details In October 2023, The Ottawa Hospital’s General campus reported two confirmed cases of legionellosis, prompting immediate response efforts and the restriction of

Quick Outbreak Details In late 2023, Middlesex and Union counties in New Jersey reported a significant spike in Legionnaires’ disease cases, drawing concern from local

Quick Outbreak Details: Outbreak Dates July 2023 – Ongoing Confirmed Cases: 3 Deaths: 0 Exposure Source: hotel water system In July 2023, a Legionnaires’ disease

Quick Outbreak Details: Outbreak Dates July 2023 – ongoing Confirmed Cases: 5 Deaths: 0 Exposure Source: Zen Day Spa In 2023, Richmond, California, was the

Quick Outbreak Details: Outbreak Dates July 2023 – August 2023 Confirmed Cases: 2 Deaths: 0 Exposure Source: Under investigation In August 2023, two workers at

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases): July–August 2023 Confirmed Cases: 10 Probable Cases: 22 Deaths: Multiple suspected, not confirmed Exposure Source:

Quick Outbreak Details Outbreak Dates (First to Most Recent Cases): Summer 2023 – July 6, 2023 Confirmed Cases: 5 Deaths: Not reported Exposure Source: Under

Outbreak Overview: A heartbreaking loss has brought serious concern to the Langston Hughes Houses in Brooklyn, where one resident tragically passed away due to complications

Quick Outbreak Details: In mid-2023, health officials confirmed two cases of Legionnaires’ disease at a senior care facility in Eau Claire, Wisconsin. The Eau Claire

Quick Outbreak Details: In June 2023, the vibrant 55+ community of Bonterra at Cross Creek Ranch in Fulshear, Texas, was shaken by a Legionnaires’ disease

Quick Outbreak Details: Outbreak Dates (First to Most Recent Cases):  May 27 – August 1, 2023 Confirmed Cases: 10 (9 in Passaic County, 1 in

Quick Outbreak Details: In April of 2023, something alarming began to unfold in the quiet city of Grand Rapids, Minnesota, a Legionnaires’ disease outbreak that

Quick Outbreak Details: Outbreak Dates (2023): January – December 2023 Confirmed Cases: 5 Deaths: 0 Exposure Source: No common source identified; no outbreak confirmed In

Quick Outbreak Details: Outbreak Dates August 2017 – September 2017 Confirmed Cases: 3 Deaths: 2 Exposure Source: Ice machines and sinks in the Cascade Tower.