Legionnaires' Disease

• TTC cooling tower is source of Toronto legionnaires’ outbreak: public health

  Officials say they investigated an outbreak of six confirmed cases within about a one-kilometre radius of the intersection of Bathurst and Dupont streets.

  Health

  Aug 25
  
• Legionnaires’ bacteria found in New York museum cooling systems: report

  There were 63 confirmed cases of Legionnaires’ disease in the city by Wednesday, along with 13 hospitalizations, local officials said. No one has died as a result of the outbreak.

  Health

  Jul 16
  
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• Hamilton’s legionnaires’ disease outbreak declared over

  The agency says it declared the legionnaires' disease outbreak over after no additional cases were reported between May 26 and Saturday.

  Health

  Jun 29
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• Ontario food manufacturer’s cooling tower likely source of deadly legionnaires’ outbreak

  An outbreak declared over earlier this month is back on after a sudden jump of 25 new cases of legionnaires' disease in London, Ont.

  Health

  Aug 26, 2025
• 1 dead, dozens sick in legionnaires’ disease outbreak in London, Ont.

  Public health officials in London, Ont., say one person has died and more than 40 have become sick in an outbreak of legionnaires' disease.

  Canada

  Jul 8, 2025
• Hot tubs on cruise ships caused ‘serious pneumonia’ outbreak, CDC warns

  The CDC did not state the names of the cruise ships where the outbreak happened, only that both included European, Caribbean and Mediterranean itineraries.

  Health

  Oct 29, 2024
• Public health still looking for source of legionnaires’ disease outbreak in London, Ont.

  The legionnaires’ disease outbreak in London, Ont., continues to grow as the Middlesex-London Health Unit reported a 25th case connected to the rare disease on Monday.

  Health

  Aug 13, 2024
• Evidence of legionella bacteria found in 3 London, Ont. cooling towers

  The MLHU confirmed Wednesday during a press meeting that 24 cases have been confirmed in the region, with four people currently in hospital and one confirmed fatality.

  Canada

  Aug 7, 2024
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• 1 dead following Legionnaires’ outbreak in London, Ont.

  The Middlesex London Health Unit said on Friday that there have been 22 reported cases of Legionnaire's disease with six currently hospitalized.

  Health

  Aug 2, 2024
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• Nova Scotia health officials say legionella outbreak in New Glasgow considered over

  The outbreak of the bacteria that causes legionnaires' disease had been monitored by Public Health since early July.

  Health

  Aug 29, 2023