Recent Legionnaires’ Disease Outbreaks

Round Rock, TX • October 2017
Legionnaires’ disease has been confirmed in four guests and one employee of a hotel in Round Rock, Texas (near Austin). The hotel was shut down on Wednesday, October 4 for disinfection of the water systems.

Spain • September 2017
12 cases of Legionnaires’ disease, including one death, have been reported among guests of a resort in northern Spain (Cantabria) since August. Part of the facility was closed for remediation.

England • September 2017
Public Health England closed a hotel in Burton, England (near Birmingham) after a guest was diagnosed with Legionnaires’ disease in September and Legionella bacteria was found in the hotel’s plumbing system. Another guest of the hotel was diagnosed with the disease in January. Both patients have recovered.

Maple Grove, MN • September 2017
Legionnaires’ disease was identified in two residents of an assisted living facility in Maple Grove, MN, the first in late August and another in mid-September. Minnesota health officials investigated the building water systems. The facility closed its pools and advised residents to not shower or use tap water for drinking or brushing teeth.

Valencia, Spain • August 2017
The water supply to a housing development in Valencia, Spain was chlorinated on August 16 in response to 7 cases of Legionnaires’ disease.

San Antonio, TX • August 2017
Brooke Army Medical Center in San Antonio confirmed that Legionnaires’ disease had been identified in two staff members during the last week in July and tests were pending for a third. According to an August 10 news report, 200 employees had been relocated and water testing initiated.

Seattle, WA • August 2017
Two University of Washington Medical Center patients were diagnosed with Legionnaires’ disease. One of the two, a woman in her 20s with underlying medical conditions, died on August 25. Approximately one year ago, Legionnaires’ disease was diagnosed in five patients of the same hospital building, two of whom died. The hospital said it is treating a third Legionnaires’ case it believes was contracted elsewhere.

Ohio • July 2017
An Ohio prison restricted showers, distributed bottled water, and installed filters on faucets in July after two inmates were diagnosed with Legionnaires’ disease.

Washington • July 2017
The Washington Department of Health is investigating two cases of Legionnaires’ disease diagnosed in two members of the same gym in Kennewick. The health department found no other common link between the two patients. The gym’s pool and hot tub were to be disinfected prior to reopening.

Memphis, TN • June 2017
Nine cases of Legionnaires’ disease have been identified in guests who stayed at a hotel in Memphis between May 15 and June 26. The Shelby County Health Department allowed the pools and hot tubs to be reopened after finding no Legionella in water samples collected from them following remediation.

Manhattan • June 2017
NYC Health collected samples for Legionella testing from more than 100 cooling towers in the vicinity of Lenox Hill in June in an effort to identify the source of seven cases of Legionnaires’ disease. Six persons were hospitalized. A woman in her 90s has died.

Ohio • May 2017
Five residents of a Reynoldsburg, Ohio senior apartment complex were diagnosed with Legionnaires’ disease in April and early May. Legionella was found in the building’s potable (plumbing) water system. Hyperchlorination was performed to temporarily disinfect the system.

Australia • May 2017
Two outbreaks of Legionnaires’ disease in Australia were under investigation in early May, one in Melbourne and the other in Adelaide. A total of 7 people were hospitalized. The patients ranged from 45 to 78 years of age. The investigation apparently focused on cooling towers.

California • May 2017
A community pool and spa in Orange County, California was closed on May 12 after two cases of Legionnaires’ disease were diagnosed among residents that used it. Health agency officials notified residents in the area to call their doctors if symptoms indicated a possible Legionella infection. The pool and spa were to remain closed pending acceptable test results.

Dubai • May 2017
The European Centres for Disease Prevention and Control (ECDC) identified 60 cases of Legionnaires’ disease among travelers to Dubai between Oct 2016 and May 2017, most of whom had stayed in hotels. The number of cases is higher than normal.

Orlando • April 2017
A fitness center in Orlando notified its members by email on April 18th that three people who had recently used the gym contracted Legionnaires’ disease. The fitness center decontaminated its hot tub and installed filtered shower heads per health department recommendations.

Macau, Hong Kong • March 2017
Three Hong Kong men who had stayed at or visited a new 3000-room casino resort in Macau between December and March were diagnosed with Legionnaires’ disease. All three men were hospitalized – one in critical and two in serious condition – were treated, and recovered. Health authorities inspected the property’s fountains, whirlpool spas, swimming pools, and plumbing systems, collected samples, and ordered disinfection of the spas and plumbing systems.

Mihara, Japan • March 2017
Legionella was detected in 39 people who complained of pneumonia-like symptoms after visiting an onsen in Mihara, Japan. 37 were hospitalized, including a man in his 50s who has died. The onsen has indoor and outdoor bathing facilities supplied by hot spring water at approximately 45 degrees C (113 degrees F) and an adjoining inn with hot spring baths in each guest room. It was closed on March 21.

Melbourne • March 2017
Three men and two women ranging from 51 to 71 years of age were hospitalized with Legionnaires’ disease in late March to early April. All five reported spending time in the eastern end of Melbourne’s central business district in the days before onset of illness. One of the patients required life support in intensive care but all have been discharged. Authorities are sampling in search for the source and have disinfected several systems and warned people experiencing pneumonia or flu-like symptoms to see their physician.

 

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