U.S. Legionnaires’ Disease Outbreaks by State
109 tracked outbreaks across 30 states, totaling 1,411 reported cases and 109 deaths. Explore the interactive map on the home page, or browse by state below.
New York
18 outbreaks · 414 cases- Central Harlem, New YorkJul-Aug 2025114cases
- Upper East Side (Carnegie Hill / Yorkville), Manhattan, NYJul 202694cases
- South Bronx, Bronx, NYJul 201565cases
- Westchester County, New YorkJun-Sep 202538cases
- Bronx, New YorkAugust 202330cases
- Albany County, New YorkSep 202420cases
- South BronxAug-Sep 202617cases
- Levittown/Wantagh area, Nassau County, NYOct 202110cases
- Eastern Niagara Hospital, Lockport, NYOct 20168cases
- Parkchester North Condominiums, Bronx, NYJul-Aug 20254cases
- St. Joseph's Hospital Health Center, Syracuse, NY20154cases
- Brooklyn, New YorkJan 2023-Jan 20242cases
- Haven Plaza, 200 Avenue C, East Village, Manhattan, NYJun 2025-May 20262cases
- Short-term vacation rental property (private hot tub), Erie County, New YorkOct 2024-Apr 20252cases
- 3333 Broadway Apartments (Towers A and B), Manhattanville, Manhattan, NY2025-Jul 20262cases
- LA Fitness, Garden City Park, NYDec 2016 – Jan 20171cases
- The Brielle at Seaview, Staten Island, NYNov 20161cases
- Morrisania and Melrose sections2026-09-150cases
North Carolina
6 outbreaks · 223 cases- NC Mountain State Fair, Fletcher, NCSep 2019120cases
- Duke University (Schwartz-Butters Building), Durham, NCAug 202184cases
- Gaston County, North CarolinaSep 20249cases
- Oak Forest Health and Rehabilitation, Winston-Salem, NCJul 20144cases
- Wake Forest, North CarolinaJune 20223cases
- Meadowbrook Inn & Suites, Blowing Rock, NCJun 20163cases
Michigan
4 outbreaks · 94 casesIllinois
12 outbreaks · 81 cases- Illinois Veterans' Home at Quincy, Quincy, ILSummer 201550cases
- JW Marriott Chicago, Chicago, ILJul–Aug 201210cases
- Burbank, IllinoisJun-Aug 20224cases
- Bloomingdale, IllinoisSep 20252cases
- Piatt County, IllinoisApril 20242cases
- Niles, IllinoisMay 20232cases
- Chicago, IllinoisOct 20242cases
- Hilton Garden Inn North Shore/Evanston, 1818 Maple Ave., Evanston, ILAug-Sep 20262cases
- Luther Center, 111 W. State Street, Rockford, ILAug-Sep 20262cases
- YMCA, Evanston, ILOct 20242cases
- LA Fitness, Naperville, ILOct 20132cases
- Hampton Inn East Peoria at the Riverboat, East Peoria, IL20071cases
Ohio
7 outbreaks · 76 cases- Wesley Ridge Retirement Community, Reynoldsburg, OHJul 201339cases
- Miami Valley Hospital, Dayton, OHearly 201111cases
- Nursing home, Thornville, Ohio (Fairfield County)Jul-Aug 20268cases
- Cincinnati, OhioOct-Dec 20256cases
- Ross County, OhioJan-Aug 20235cases
- Columbus, OhioFeb 20254cases
- Cincinatti, OhioMarch 20233cases
Iowa
1 outbreak · 74 casesCalifornia
7 outbreaks · 72 cases- Palm Springs, CaliforniaOct 2021-Jan 202220cases
- Kaiser Permanente Santa Clara Medical Center, Santa Clara, CAMay 202618cases
- Napa County, CaliforniaJuly 202212cases
- Orange County, CaliforniaOct 20247cases
- Westminster, California20247cases
- Richmond, CaliforniaAugust 20236cases
- San Jose, CaliforniaAugust 20222cases
New Jersey
6 outbreaks · 67 cases- Middlesex & Union counties, New JerseyAug-Oct 202341cases
- Passaic & Bergen Counties, New JerseyMay-Aug 20239cases
- Mercer County, New JerseyOct 2022-Mar 20237cases
- Pennsauken, New JerseyDecember 20224cases
- Hamilton, New JerseyDec 2021-Aug 20224cases
- St. Joseph's University Medical Center in PatersonJul-Dec 20252cases
Minnesota
4 outbreaks · 66 casesWisconsin
3 outbreaks · 40 casesPennsylvania
5 outbreaks · 32 cases- VA Pittsburgh Healthcare System, Pittsburgh, PA2011–201221cases
- 250 Cetronia Road medical building, Allentown, PANov 20136cases
- VA Pittsburgh Healthcare System (University Drive campus), Pittsburgh, PAMay 20262cases
- Lancaster General Hospital and Lancaster Nursing & Rehabilitation Center, Lancaster, PAFeb-Mar 20262cases
- Allegheny General Hospital, Pittsburgh, PAMay–Jun 20161cases
Alabama
2 outbreaks · 27 casesFlorida
3 outbreaks · 22 casesTexas
3 outbreaks · 19 casesNew Hampshire
3 outbreaks · 14 casesSouth Carolina
1 outbreak · 13 casesVermont
3 outbreaks · 11 casesOregon
1 outbreak · 10 casesWashington
3 outbreaks · 9 casesNevada
4 outbreaks · 9 casesMassachusetts
1 outbreak · 7 casesMissouri
2 outbreaks · 7 casesKentucky
2 outbreaks · 5 casesMaryland
2 outbreaks · 5 casesColorado
1 outbreak · 3 casesMontana
1 outbreak · 3 casesIdaho
1 outbreak · 3 casesTennessee
1 outbreak · 3 casesNew Mexico
1 outbreak · 2 casesGeorgia
1 outbreak · 0 casesWere you exposed?
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