Legionella Outbreaks
Legionella Outbreak Tables
Outbreaks in Peer Reviewed Journals
LegionellaDB is the first database on Legionella outbreaks; it is based on a metadata analysis of peer-reviewed manuscripts from PubMed and SCOPUS. LegionellaDB is dynamic and extensible, allowing users to search for specific outbreaks, suggest additional information to be included after curation, visualize statistical representations on specific outbreaks, and download selected data. The database is maintained online.
See Table to Access LegionellaDB
Visit Trends in Microbiology to access LegionellaDB – A Database on Legionella Outbreaks
Legionella Outbreaks in the News
News reports of cases of Legionnaires’ disease and outbreaks always make headlines and garner negative publicity. Whether it’s just one case or an outbreak, most instances of Legionnaires’ disease don’t make it on the front page. Following is a list of cases and outbreaks in the US that have been reported by the media. Click on table row to view.
| DATE | TYPE | FACILITY | LOCATION | CAUSE | CASES | DEATHS |
|---|---|---|---|---|---|---|
| 2022 Aug | Nursing Home | Amsterdam Nursing Home | Manhattan, New York City, N.Y. | Not Determined | 8 | 4 |
| 2022 May | Community | Highbridge neighborhood Bronx | Bronx, New York City, N.Y. | Cooling Tower | 18 | 1 |
| 2022 Mar | Resort | The Grand Islander by Hilton Grand Vacations | Waikiki, Hawaii | Not Determined | 2 | 0 |
| 2021 Oct | Long-term Care | UAW Senior Citizens Center | Tazewell county, Pekin, Ill | Not Determined | 7 | 0 |
| 2020 Sep | Correctional Institution | Pontiac Correctional Center | Pontiac, Ill. | Not Determined | 2 | 0 |
| 2020 Sep | Community | Tazewell County | Tazewell County, Ill. | Not Determined | 4 | 0 |
| 2020 Sep | Community | New Westminster | New Westminster, Vancouver | Not Determined | 6 | 0 |
| 2020 Sep | Community | Hamilton Township | Hamilton, N.J. | Not Determined | 4 | 2 |
| 2020 Mar | Long-term Care | Arlington Court Skilled Nursing & Rehab Center | Upper Arlington, Ohio | Building Water System | 3 | 0 |
| 2020 Feb | Other | Choi Hung MTR Station | Hong Kong, China | Cooling Towers | 11 | 0 |
| 2020 Feb | Healthcare | Gatton Place | Redhill, England | Not Determined | 3 | 0 |
| 2020 Feb | Long-term Care | Brookdale Senior Living | Vernon Hills, Ill. | Building Water System | 5 | 1 |
| 2020 Jan | Long-term Care | Balmoral Nursing Home | Chicago, Ill. | Not Determined | 2 | 0 |
| 2019 Nov | Other | East Texas State Fair | Tyler, Texas | Not Determined | 7 | 1 |
| 2019 Oct | Community | N/A | Orillia, Ontario | Not Determined | 8 | 0 |
| 2019 Oct | Hospital | McLaren Macomb Hospital | Mt. Clemens, Mich. | Not Determined | 7 | 0 |
| 2019 Sep | Other | Mountain State Fair | Buncombe County, N.C. | Hot Tub Display | 141 | 4 |
| 2019 Sep | Community | N/A | London, England | Not Determined | 15 | 0 |
| 2019 Sep | Community | N/A | Elmira, NY | Not Determined | 11 | 0 |
| 2019 Sep | Residential | Tracey Towers | Bronx, NY | Not Determined | 2 | 0 |
| 2019 Sep | Long-term Care | Covenant Living at the Holmstad | Batavia, Ill. | Not Determined | 14 | 0 |
| 2019 Aug | Hotel | AmericInn by Wyndham | Schaumburg, Ill. | Not Determined | 2 | 0 |
| 2019 Sep | Community | Chesterfield schools | Chesterfield, Va. | Not Determined | 12 | 0 |
| 2019 Jul | Hotel | Sheraton Hotel | Atlanta, Ga. | Cooling Tower/Decorative Fountain | 13 | 1 |
| 2019 Jul | Spa | Healax Salt Caves | Bournemouth, England | Not Determined | 14 | 0 |
| 2019 June | Healthcare | Advocate Christ Hospital | Oak Lawn, Ill. | Not Determined | 4 | 0 |
| 2019 June | Healthcare | Mercy Springfield Cancer Center | Springfield, Mo. | Not Determined | 2 | 0 |
| 2019 June | Healthcare | Mount Carmel Grove City Hospital | Grove City, Ohio | Building Water System | 16 | 1 |
| 2019 May | Community | Union County | Union County, N.J. | Not Determined | 22 | 5 |
| 2019 May | Community | Evergem/Ghent | Ghent, Belgium | Not Determined | 30 | 2 |
| 2019 May | Nursing Home | Legacy House Taylorsville | Taylorsville, Utah | Not Determined | 2 | 0 |
| 2019 Apr | Healthcare | Mercy Hospital and Medical Center | Chicago, Ill. | Building Water System | 2 | 0 |
| 2019 Apr | Correctional Institution | California Department of Corrections & Rehabilitation | Stockton, Calif. | Not Determined | 2 | 1 |
| 2019 Mar | Residential | Dolphin Square | London, England | Not Determined | 1 | 0 |
| 2019 Mar | Hotel | Christmas Mountain Village | Wisconsin Dells, WI | Building Water System | 4 | 1 |
| 2019 Feb | Hotel | Crookston Inn and Convention Center | Crookston, Minn. | Pool and Spa | 4 | 0 |
| 2018 Aug | Hotel | Sands Resort | Hampton, NH | Hot Tub | 49 | 2 |
| 2018 Jul | Hotel | Fairfield Inn and Suites Waco North | Waco, TX | Not Determined | 2 | 0 |
| 2018 Jul | Church | St. Columbkille Parish | Parma, Ohio | Not Determined | 6 | 1 |
| 2018 Jul | Community | Lower Washington Heights | Manhattan, NY | Cooling Tower | 27 | 1 |
| 2018 Jun | Healthcare | Columbus VA Ambulatory Care Center | Columbus, Ohio | Not Determined | 2 | 0 |
| 2018 Jun | Residential | Four Seasons | Palm Springs, Cal. | Pool and Spa | 2 | 0 |
| 2018 Jun | Healthcare | Queen's Medical Center | Honolulu, Hawaii | Not Determined | 4 | 1 |
| 2018 Apr | Other | Water Oak Country Club | Lady lake, Fla. | Hot Tub | 2 | 0 |
| 2018 Feb | Residential | Islandwalk at the West Villages Community | North Port, Fla. | Pool and Spa | 11 | 0 |
| 2018 Feb | Nursing Home | Illinois Veterans Home - Quincy | Quincy, Ill. | Not Determined | 4 | 0 |
| 2017 Dec | Other | Yakima Athletic Club | Yakima, WA | Pool and Spa | 2 | 0 |
| 2017 Dec | Healthcare | Franklin Medical Center | Columbus, OH | Not Determined | 2 | 0 |
| 2017 Nov | Hotel | The Rio Hotel and Casino | Las Vegas, NV | Building Water System | 31 | 0 |
| 2017 Nov | Healthcare | Plaza Rehab and Nursing Center | Bronx, NY | Not Determined | 2 | 0 |
| 2017 Nov | Other | Disneyland | Anaheim, CA | Cooling Towers | 15 | 2 |
| 2017 Nov | Healthcare | Sky View Rehabilitation & Healthcare | Croton-On-Hudson, NY | Building Water System | 2 | 1 |
| 2017 Nov | Community | Flushing | Queens, NY | Cooling Tower | 15 | 0 |
| 2017 Oct | Hotel | Spring Hill Suites | Round Rock, TX | Not Determined | 6 | 0 |
| 2017 Sept | Nursing Home | SilverCreek on Main | Maple Grove, MN | Building Water System | 2 | 0 |
| 2017 Sept | Nursing Home | Peak Resources | Graham, NC | Building Water System | 2 | 0 |
| 2017 Sept | Residential | Parker Towers | Forest Hills, NY | Building Water System | 2 | 1 |
| 2017 Sept | Hotel | The Feathers Hotel | Ludlow, England | Building Water System | 2 | 1 |
| 2017 Sept | Other | Pacific Health Club | Town of Salina, NY | Pool and Spa | 4 | 0 |
| 2017 Aug | Residential | Hampton Houses | Rego Park, NY | Not Determined | 2 | 0 |
| 2017 Aug | Healthcare | University of Washington Medical Center | Seattle, WA | Not Determined | 2 | 1 |
| 2017 Aug | Other | King Spa | Dallas, TX | Pool and Spa | 2 | 0 |
| 2017 Aug | Hotel | Fairfield Inn and Suites | Lacy Lakeview, TX | Not Determined | 4 | 0 |
| 2017 Aug | Long Term Care | James Square Health and Rehabilitation | Syracuse, NY | Not Determined | 2 | 0 |
| 2017 Aug | Healthcare | Brooke Army Medical Center | Houston, TX | Not Determined | 2 | 0 |
| 2017 Aug | Residential | Latimer Gardens House | Flushing, NY | Not Determined | 2 | 0 |
| 2017 Aug | Nursing Home | Manor at Whitehall | Whitehall, Ohio | Not Determined | 2 | 0 |
| 2017 Aug | Hot Tub | Gold's Gym | Kennewick, Wash. | Not Determined | 3 | 0 |
| 2017 June | Hotel | The Guest House at Graceland | Memphis, Tenn. | Pool and Spa | 9 | 1 |
| 2017 June | Other | NYPD 23rd Precinct | Manhattan, N.Y. | Not Determined | 2 | 0 |
| 2017 June | Other | Core24 | Frankston, Australia | Not Determined | 2 | 0 |
| 2017 June | Community | Lennox Hill | Manhattan, N.Y. | Not Determined | 6 | 1 |
| 2017 June | Long-term Care | Summit Greens | Clermont, Fla. | Hot Tub | 2 | 0 |
| 2017 June | Other | LA Fitness | Orlando, Fla. | Not Determined | 4 | 0 |
| 2017 May | Community | Adelaide South | Adelaide, Australia | Not Determined | 3 | 0 |
| 2017 Apr | Hotel | Macao Parisian Hotel | Macau, China | Not Determined | 3 | 0 |
| 2017 Apr | Other | LA Fitness | Ocoee, Fla. | Not Determined | 3 | 0 |
| 2017 Apr | Community | Melbourne Central Business District | Melbourne, Australia | Not Determined | 6 | 0 |
| 2017 Jan | Other | LA Fitness | Garden City Park, N.Y. | Pool and Spa | 2 | 0 |
| 2016 Dec | Community | Chaves County | Chaves County, N.M. | Not Determined | 6 | 2 |
| 2016 Sep | Educational | Allegheny Valley School | Coraopolis, Pa. | Not Determined | 2 | 0 |
| 2016 Sep | Community | Hopkins Area | Hopkins, Minn. | Not Determined | 12 | 0 |
| 2016 Sep | Healthcare | University of Washington Medical Center | Seattle, Wash. | Not Determined | 4 | 2 |
| 2016 July | Nursing Home | Illinois Veterans’ Home - Quincy | Quincy, Ill. | Not Determined | 3 | 0 |
| 2016 July | Residential | Golden Sands Condominium | Ocean City, Md. | Building Water System | 2 | 0 |
| 2015 Nov | Hotel | Best Western Hotel | Hannibal, Mo. | Not Determined | 3 | 1 |
| 2015 Oct | Healthcare | St. Joseph's Hospital | Syracuse, N.Y. | Building Water System | 3 | 1 |
| 2015 Aug | Community | Opera Hotel | South Bronx, N.Y. | Cooling Tower | 127 | 12 |
| 2015 Aug | Correctional Institution | San Quentin | San Quentin, Calif. | Not Determined | 6 | 0 |
| 2015 Aug | Nursing Home | Illinois Veterans’ Home - Quincy | Quincy, Ill. | Building Water System | 45 | 12 |
| 2015 July | Higher Education | West Chester University | West Chester, Pa. | Not Determined | 1 | 0 |
| 2015 July | Rehab Center | Gold Coast | Chicago, Ill. | Not Determined | 1 | 1 |
| 2015 July | Hotel | Super 8 | Lacey, Wash. | Not Determined | 3 | 0 |
| 2015 Apr | Hospital | Robert J. Dole V.A. Medical Center | Wichita, Kan. | Not Determined | 1 | 0 |
| 2015 Jan | Residential | Co-Op City | Bronx, New York | Cooling Tower | 12 | 0 |
| 2014 Dec | Nursing Home | Middle River Nursing Home | Baltimore, Md. | Not Determined | 1 | 0 |
| 2014 Nov | Hospital | Rhode Island Hospital | Providence, RI | Not Determined | 2 | 0 |
| 2014 Sep | Nursing Home | Autumn Care of Raeford | Raeford, N.C. | Not Determined | 3 | 0 |
| 2014 Sep | Hotel | Econo Lodge Oceanblock | Ocean City, Md. | Not Determined | 2 | 0 |
| 2014 Sep | Residential | Hanover Square Apartments | Baltimore, Md. | Not Determined | 1 | 0 |
| 2014 June | HALD and Community | Flint | Genesee County, Mich. | Flint Water System | 91 | 12 |
| 2014 June | Nursing Home | Oak Forest Health and Rehabilitation | Winston-Salem, N.C. | Water Distribution System | 2 | 0 |
| 2014 June | Healthcare | Longleaf Neuro-Medical Treatment Center | Wilson, N.C. | Not Determined | 2 | 0 |
| 2014 June | Nursing Home | Wilson Pines Nursing and Rehabilitation Services | Wilson, N.C. | Water Distribution System | 6 | 0 |
| 2014 May | Hospital | University of Alabama | Birmingham, Ala. | Water Distribution System | 8 | 2 |
| 2014 May | Residential | Apostolic Towers | Baltimore, Md. | Not Determined | 2 | 0 |
| 2014 May | Hospital | UPMC Presbyterian | Pittsburgh, Pa. | Ice Machine | 3 | 1 |
| 2014 Mar | Other | Dartmouth Police Station | Dartmouth, Mass. | Not Determined | 1 | 0 |
| 2014 Feb | Hospital | IU Health University Hospital | Indianapolis, Ind. | Not Determined | 2 | 2 |
| 2014 Jan | Residence | Residence | Unknown, Texas | Birthing Pool | 1 | 1 |
| 2013 Oct | Hospital | Waco VA Medical Center | Waco, Texas | Water Distribution System | 1 | 0 |
| 2013 Oct | Hospital | Integrated Healthcare Campus | South Whitehall, Pa. | Not Determined | 6 | 1 |
| 2013 July | Other | SCI Somerset | Somerset, Pa. | Not Determined | 4 | 0 |
| 2013 July | Long-term Care | Wesley Ridge | Reynoldsburg, Ohio | Water Distribution Systems | 35 | 4 |
| 2012 Nov | Hospital | Pittsburgh Veterans Hospital | Pittsburgh, Pa. | Water Distribution System | 16 | 5 |
| 2012 Aug | Hotel | J.W. Marriott | Chicago, Ill. | Water Distribution System | 3 | 0 |
| 2012 June | Hotel | Sea Watch Condo | Ocean City, Md. | Water Distribution System | 2 | 0 |
| 2012 May | Hotel | Best Western Sovereign | Albany, N.Y. | Water Distribution Source | 2 | 0 |
| 2012 Apr | Long term Care | The Commons | Pittsburgh, Pa. | Not Determined | 1 | 0 |
| 2012 Feb | Hotel | Best Western Sovereign | Albany, N.Y. | Water Distribution System | 6 | 0 |
| 2012 Jan | Hotel | Luxor (MGM Resorts) | Las Vegas, Nev. | Not Determined | 3 | 1 |
| 2011 Nov | Long-term Care | Lighthouse Senior Living | Ellicott City, Md. | Not Determined | 1 | 1 |
| 2011 Nov | Long-term Care | Keswick Multi-Care Center | Baltimore, Md. | Not Determined | 2 | 0 |
| 2011 Oct | Hotel | Plim Plaza | Ocean City, Md. | Not Determined | 3 | 0 |
| 2011 Oct | Long-term Care | Meadows at Countrywood Retirement Mobile Home Park | Plant City, Fla. | Not Determined | 3 | 1 |
| 2011 Sep | Long-term Care | LGAR Health & Rehabilitation Center | Turtle Creek, Pa. | Water Distribution System | 8 | 1 |
| 2011 Sep | Long-term Care | Hamilton Hills | Turtle Creek, Pa. | Water Distribution System | 3 | 1 |
| 2011 Sep | Long-term Care | Warren Haven | Oxford, N.J. | Not Determined | 1 | 0 |
| 2011 Sep | Hospital | Memorial Sloan-Kettering Cancer Center | New York, N.Y. | Not Determined | 1 | 0 |
| 2011 Aug | Hotel | Unknown | North Platte, Neb. | Not Determined | 2 | 0 |
| 2011 Aug | Long-term Care | St. Ann's | Rochester, N.Y. | Not Determined | 1 | 0 |
| 2011 July | Hotel | Aria Resort (MGM Resorts International) | Las Vegas, Nev. | Not Determined | 2 | 0 |
| 2011 June | Long-term Care | Elizabeth Severance Prentiss Center for Skilled Nursing | Cleveland, Ohio | Water Distribution Systems | 3 | 0 |
| 2011 Apr | Hospital | Sacred Heart Medical Center | Spokane, Wash. | Water Distribution System | 3 | 1 |
| 2011 Mar | Hospital | Miami Valley Hospital | Dayton, Ohio | Not Determined | 10 | 1 |
| 2010 Sep | Long-term Care | Tranquility Assisted Living Center | Fredrick, Md. | Not Determined | 2 | 0 |
| 2010 June | Hotel | Best Western (Choice Hotels International / Best Western Hotels International) | Socorro, N.M. | Not Determined | 2 | 0 |
| 2010 June | Hotel | Ottumwa Days Inn (Wyndham Worldwide) | Ottawa, Iowa | Not Determined | 1 | 0 |
| 2010 May | Hospital | Methodist Medical Center | Des Moines, Iowa | Water Distribution System | 2 | 1 |
| 2010 Mar | Hospital | St. Luke’s South Shore | Cudahy, Wis. | Water Feature | 8 | 0 |
| 2010 Jan | Long-term Care | Golden Hill Nursing Home | Kingston, N.Y. | Not Determined | 2 | 1 |
| 2009 Dec | Hotel | Epic Hotel (Kimpton) | Miami, Fla. | Not Determined | 3 | 1 |
| 2009 Nov | Long-term Care | The Park at Vernon Hill | Vernon Hill, Ill. | Not Determined | 4 | 2 |
| 2009 Oct | Long-term Care | Stadium Place | Baltimore, Md. | Not Determined | 7 | 1 |
| 2009 July | Hospital | Faxton St. Luke’s Healthcare | Utica, N.Y. | Not Determined | 3 | 2 |
| 2009 Feb | Hospital | Grady Memorial Hospital | Atlanta, Ga. | Water Distribution System | 4 | 0 |
| 2009 Jan | Hotel | Orlando Club Resort (First Choice Resorts) | Tenerife, Spain | Water Distribution Source | 2 | 0 |
| 2009 Jan | Hotel | Westin (Starwood) | Dubai, UAE | Not Determined | 3 | 1 |
| 2008 Oct | Hotel | Polo Towers (Diamond Resorts) | Las Vegas, Nev. | Water Distribution System | 5 | 0 |
| 2008 Sep | Hospital | Saint Peter's University Hospital | New Brunswick, N.J. | Water Distribution System | 8 | 3 |
| 2008 June | Community | Community General Hospital | Syracuse, N.Y. | Cooling Towers | 13 | 1 |
| 2008 May | Hotel | Hampton Inn | McHenry, Ill. | Not Determined | 2 | 0 |
| 2008 May | Hotel | Wingate Inn (Wingate International) | Heflin, Ala. | Hot tub | 3 | 0 |
| 2008 June | Hotel | Cortina Inn | Killington, Vt. | Water Distribution Source | 3 | 0 |
| 2008 June | Hotel | Hampton Inn (Hilton) | McHenry, Ill. | Pool and Spa | 3 | 0 |
| 2008 Mar | Hotel | Quality Inn Suites (Choice Hotels) | Orlando, Fla. | Hot tub | 2 | 0 |
| 2008 Mar | Hospital | Strong Memorial Hospital, University of Rochester Medical Center | Rochester, N.Y. | Water Distribution System | 3 | 1 |
| 2007 Sep | Long-term Care | Sunharbor Manor Nursing Home (Roslyn Heights) / Sunrise Assisted Living (Smithtown) | Roslyn Heights, N.Y. / Smithtown, N.Y. | Not Determined | 5 | 3 |
| 2007 July | Community | Bronx | Bronx, N.Y. | Cooling Tower | 120 | 12 |
| 2007 July | Hospital | Saint Mary's Hospital | Grand Rapids, Mich. | Water Distribution System | 1 | 1 |
| 2007 Apr | Hospital | University of Iowa Hospital and Clinics | Iowa City, Iowa | Water Distribution System | 1 | Unknown |
| 2007 Feb | Long-term Care | Loyalton Assisted Living | Hagerstown, Md. | Water Distribution System | 1 | 0 |
| 2006 Nov | Other | Mercer County Courthouse | Mercer County, NJ | Not Determined | 1 | 0 |
| 2006 June | Hospital | Baptist Health System | San Antonio, Texas | Water Distribution System | 10 | 2 |
| 2006 Apr | Long-term Care | Frederick Mennonite Community | Upper Frederick Township, Md. | Water Distribution System | 4 | Unknown |
| 2006 Mar | Hotel | Comfort Inn / Best Western (Choice Hotels International / Best Western International) | Lincoln, Ill. | Pool and Spa | 2 | 0 |
| 2006 Feb | Hotel | Sea Garden Inn/ Islander Inn (Ocean Waters) | Daytona, Fla. | Water Distribution System | 3 | 1 |
| 2005 July | Hospital | Sound Shore Medical Center | New Rochelle, N.Y. | Cooling Tower | 9 | 0 |
| 2005 Apr | Hospital | New York Presbyterian Hospital / Columbia University Medical Center | New York, N.Y. | Water Distribution System | 4 | 2 |
| 2001 Dec | Hospital | Hospital European Georges Pompidou | Paris, France | Water Distribution System | 12 | 6 |