Recent Outbreaks from Legionella and Other Waterborne Pathogens

Outbreak locations, approximate dates for illness onset, and case/death counts reported in the news are in the table below.

Date

Location

Cases/Deaths

Summary

Jan 2025

US Virigin Islands

2/0

Legionella in a Hotel

Nov 2024

Foshan, China

9/0

Legionella linked to tour groups

Oct 2024

Orange County, California

7/0

Legionella, community outbreak

Oct 2024

Chicago, Illinois

2/0

Legionella in a YWCA

Aug-Sept 2024

Albany, New York

20/4

Legionella in an assisted living facility

Aug 2024

Cassville, Missouri

3/0

Legionella in a hotel

Jul-Aug 2024

London, England

25/2

Legionella in a health unit

Jul-Aug 2024

Melbourne, Australia

109/2

Legionella from a cooling tower

Jun-Jul 2024

Lincoln, New Hampshire

5/0

Legionella, community outbreak

Apr-Jul 2024

Milan, Italy

53/4

Legionella, community outbreak

April 2024

Piatt County, Illinois

2/1

Legionella in a nursing home

Jan 2023-Jan 2024

Brooklyn, New York

2/0

Legionella in a public housing building

December 2023

Whitefield, New Hampshire

2/1

Legionella in a resort

November 2023

Seattle, Washington

2/0

Legionella in a hospital More Info>>

November 2023

Caminha, Portugal

8/0

Legionella, community outbreak More Info>>

Feb-Nov 2023

Taiwan

4/0

Legionnaires’ in four Newborns More Info>>

October 2023

Ottawa, Canada

2/0

Two Legionellosis cases in a hospital More Info>>

Aug-Oct 2023

Middlesex & Union counties, New Jersey

41/0

Legionella, community outbreak More Info>>

Aug-Sep 2023

Rzeszow area, Poland

166/23

Legionella, community outbreak More Info>>

July-September 2023

Utah

13/0

E-Coli from irrigation water More Info>>

August 2023

Warren, Michigan

2/0

Legionella from a truck assembly plant More Info>>

August 2023

Bronx, New York

2/0

Legionella in an apartment More Info>>

August 2023

Richmond, California

6/2

Legionella from a spa More Info>>

August 2023

Caceres, Spain

6/1

Legionella, community outbreak More Info>>

May-Aug 2023

Passaic & Bergen Counties, New Jersey

9/0

Legionella, community outbreak More Info>>

Jan-Aug 2023

Ross County, Ohio

5/0

Legionella, community outbreak More Info>>

Jun-Jul 2023

Fulshear, Texas

4/1

Legionella from clubhouse swimming pool/facilities More Info>>

May-July 2023

Serravalle, Italy

3/0

Legionella from showers, sinks, toilet of a hotel More Info>>

Jan-Jul 2023

Lombardy region, Italy

20/0

Legionella, community outbreak More Info>>

July 2023

Lexington-Fayette County, Kentucky

5/0

Legionella, community outbreak More Info>>

July 2023

Netherlands

13/2

Legionella, community outbreak, issue with one manufacturer’s central heating boiler More Info>>

July 2023

Wales

2+/0

Legionella from resort hot tub More Info>>

May-Jul 2023

Eau Claire, Wisconsin

2/0

Legionella from a care facility More Info>>

July 2023

Walla Walla, Washington

3/0

Legionella in hotel More Info>>

July 2023

New Glasgow, Canada

3 confirmed, 18 suspected/0

Legionella in a nursing home More Info>>

May-Jul 2023

Garden City, Idaho

3/0

Legionella from a fitness center More Info>>

Apr- Jul 2023

Grand Rapids, Minnesota

5/0

Legionella, community outbreak More Info>>

May-Jun 2022

Bronx, New York

30/2

Legionella, community outbreak More Info>>

Jun 2022-Jun 2023

New York City

3/0

Legionella in hotel More Info>>

May 2023

Melbourne, Australia

3/0

Legionella, community outbreak More Info>>

May 2023

Niles, Illinois

2/0

Legionella from fitness center hot tub More Info>>

Apr-May 2023

Kaunas, Lithuania

24/7

Legionella, community outbreak More Info>>

March 2023

Cincinatti, Ohio

3/0

Legionella from a hospital More Info>>

Oct 2022-Mar 2023

Mercer County, New Jersey

7/2

Legionella, community outbreak More Info>>

February 2023

Latvia

2/0

Legionella from a Latvian Cancer center More Info>>

Dec 2022-Jan 2023

Las Vegas, Nevada

2/0

Legionella from a hotel plumbing system More Info>>

Oct 2021-Jan 2023

Meredith, New Hampshire

5/0

Legionella found in multiple water systems at a campground More Info>>

2022

Mauritius

2+/0

Legionella at a resort More Info>>

2022

Latvia

60/11

Legionella, community outbreak More Info>>

December 2022

Pennsauken, New Jersey

4/0

Legionella, community outbreak More Info>>

Nov-Dec 2022

Passaic, Bergen counties, New Jersey

7/0

Legionella, community outbreak More Info>>

Oct-Dec 2022

Duluth, Minnesota

2/0

Legionella in apartment building More Info>>

Oct 2021-Dec 2022

Orange Beach, Alabama

14/0

Legionella from a resort hot tub More Info>>

November 2022

Darlington County, South Carolina

13/0

Legionella, community outbreak More Info>>

October 2022

Orilla, Canada

35/1

Legionella, community outbreak More Info>>

October 2022

Hong Kong

2/0

Legionella, community outbreak More Info>>

Aug-Sep 2022

New York City

8/5

Legionella from a nursing home More Info>>

August 2022

St. Albans, Vermont

5/1

Legionella, community outbreak More Info>>

August 2022

Tucuman, Argentina

22/6

Legionella, community outbreak More Info>>

Jun-Aug 2022

Burbank, Illinois

4/0

Legionella from a church cooling tower More Info>>

Dec 2021-Aug 2022

Hamilton, New Jersey

4/1

Legionella, community outbreak More Info>>

August 2022

San Jose, California

2/0

Legionella from a hotel hot tub More Info>>

August 2022

Montreal

7/0

undetermined More Info>>

July 2022

Napa County, California

12/1

Legionella found in a hotel cooling tower, community outbreak More Info>>

June 2022

Wake Forest, North Carolina

3/0

Legionella from a hotel More Info>>

May 2022

Sydney, Australia

6/0

Legionella, community outbreak More Info>>

Jun 2021-May 2022

Waikiki, Honolulu

5/0

Legionella from a resort More Info>>

April 2022

Camden & Narellan, Australia

4/0

Legionella, community outbreak More Info>>

Oct 2021-Jan 2022

Palm Springs, California

20/2

Legionella from a community outbreak More Info>>

May 2021-Jan 2022

Rolla, Missouri

4/0

Legionella from a hospital More Info>>