Legionella Self-Study

Question 1

What is the classification of Legionella?

Answer 1

Gammaproteobacteria

Question 2

Is Legionella Gram-positive or -negative bacteria?

Answer 2

Gram-positive

Question 3

Out of Gram +ve and -ve bacteria, which one contributes the most to antibiotic resistance?

Answer 3

Gram -ve

Question 4

Approximately how many different species of Legionella are there?

Answer 4

60

Question 5

How and when was Legionella discovered?

Answer 5

Mysterious respiratory disease in legionary veterans, Pennsylvania,1976

Question 6

Approximately what is the MORTALITY rate for Legionnaires disease?

Answer 6

5-30% mortality

Question 7

Approximately what is the FATALITY rate for Legionnaires disease?

Answer 7

5-15% fatality

Question 8

Name the two conditions Legionella bacteria can cause

Answer 8

Legionnaires Disease and Pontiac Fever

Question 9

How to tell difference between two conditions of Legionella?

Answer 9

Both exhibit symptoms of fever, cough, flu-like illness but Pontiac Fever is without pneumonia

Question 10

Who is at most risk of getting ill with Legionella?

Answer 10

The elderly, those who smoke and those who are immunocompromised