More deaths in Legionnaire's Diasease outbreak in Quebec City, Canada

Six people have died and 65 others have been infected with Legionnaire's Disease in Saint-Roch and Saint-Sauveur boroughs in Quebec City. There were 16 new reported cases in just one 24-hour period this week. Five specialized teams have inspected and disinfected air-conditioning systems in 28 buildings. Meanwhile, the city has ordered all building owners in affected areas to clean all ventilation systems within seven days.

Transmission of legionellosis (Legionnaires Disease) usually occurs following exposure to warm aerosolized water as the bacteria are inhaled through water droplets in water sprays or mists. Exposure can occur in or around hot tubs, showers, or from air conditioning systems in buildings with poorly maintained cooling towers. Travellers who have visited air conditioned buildings and who develop respiratory symptoms should seek medical care as soon as possible.

Visit our Health Library for more information on exposure to and the prevention of Legionnaires' Disease.

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