Legionella bacteria

Context: Britain is taking a group of asylum seekers off a barge just days after moving them onto the vessel because Legionella bacteria was found in the water supply.

About Legionella bacteria:

Legionella bacteria
  • Legionella is a type of bacteria that can cause a severe and potentially fatal respiratory illness known as Legionnaires’ disease. 
  • It commonly found in freshwater environments, such as lakes, rivers, and ponds. 
  • They can also survive and thrive in man-made water systems, including cooling towers, hot water tanks, and plumbing systems. 
  • The bacteria multiply in warm water and are transmitted to humans through the inhalation of aerosolized water droplets containing the bacteria. 
  • Legionnaires’ disease is not transmitted through person-to-person contact.

Practice MCQ:

With reference to Legionella, consider the following statements:

1. It is a type of bacteria commonly found in freshwater environments like ponds, rivers and lakes.

2. It can cause a severe and potentially fatal respiratory illness known as Legionnaires’ disease.

3. Legionnaires’ disease can be transmitted through person-to-person contact.

How many of the statements given above is/are correct?

(a) Only one

(b) Only two

(c) All three

(d) None

Ans. (b)

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