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Provisional — subject to revision

Allegria Village, Dearborn, MI

Legionnaires’ disease outbreak · Aug 2024-Jul 2025 · Michigan

3
Cases
2
Deaths
Under Investigation
Status

Suspected source

retirement community building water system (Senior living / assisted)

What happened

Wayne County Health, Human and Veterans Services, working with the Michigan Department of Health and Human Services, investigated Legionnaires' disease at Allegria Village, a continuing care retirement community in Dearborn, Michigan. Two residents who became ill in June and July 2025 were hospitalized and died, with causes of death still under investigation; officials also investigated an additional non-fatal case from August 2024. On August 5, 2025 health officials confirmed water samples from one building tested positive for Legionella, and residents were supplied bottled water during remediation.

Sources & coverage

In-depth reporting on this and other Legionnaires’ disease outbreaks is available from Pritzker Hageman’s Legionnaires’ disease resource center.

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Primary source: retirement community building water system. Figures are provisional and may be revised or withdrawn by the reporting authority. This page is for information only and is not medical or legal advice.