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Given that all cooling towers and other water sources in District B tested negative, what could...

Given that all cooling towers and other water sources in District B tested negative, what could be
the possible reasons for the legionella outbreak in District B? Give at least four possible reasons .

science   Anatomy-And-Physiology   
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Answer #1

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The main reasons or primary source of legionella infection or outbreak is the airborne spread of infection which is caused by inhalation of infected or contaminated aerosols. Legionella pneumophila is a bacterium and are generally found in water sources or purpose built water systems. It causes Legionnaires' disease.

It can be spread by following sources:

  • Whirlpool spas like Jacuzzi
  • Shower heads
  • Air conditioners
  • Sink faucets
  • Hot and cold water systems
  • Humidifiers
  • Artificial fountains

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