More deaths due to Legionnaires Disease outbreak in New York City

The number of cases due to the outbreak of Legionnaires Disease in south Bronx has increased to 100 with 10 deaths, mostly in elderly people with pre-existing medical conditions. Even though the last of the 5 cooling towers suspected of being the source of this outbreak was cleaned 4 days ago, there may be more cases over the next 10 days because the incubation period of
this infection is 2-14 days after exposure.

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

Advice For Travellers

Transmission of legionellosis (Legionnaires Disease) usually occurs following exposure to warm water aerosols since 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 develop serious respiratory symptoms after being in air conditioned buildings or other environments that generate sprays in the outbreak area should seek medical care as soon as possible.

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