Legionella Pneumophila / Legionnaire's Flashcards Preview

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Flashcards in Legionella Pneumophila / Legionnaire's Deck (9)
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1

What are the two types of legionella infections

- Pontiac fever
- Legionnaire's fever

2

Symptoms of Pontiac fever x5

Dry cough
Malaise
Headache
Fever
GI problems

3

Outbreaks of legionella pneumophila x4

Water coolers
Circulating water droplets
Warm water baths
Decorative fountains

4

Incubation period of legionella infection

2-10 days

5

Symptoms of legionella infections

Cough
Fever
Sweats
Loss of aperture
Headache
General pains
Yellow/green sputum stained with blood
Tight chest, Breathlessness, sharp pain in side of chest
Possibly confusion and diarrhoea

6

Diagnosis of legionella x3

Culturing
Direct antibody test
rRNA identification

7

Treatment of legionella for pneumonia and Pontiac fever

Pneumonia: erythromycin, Azithromycin
Pontiac fever: not treated

8

Control of legionella x3

Clean water systems
Monitor hot water systems
Keep hot water abv 50degs as bacteria thrive 20-45deg

9

Properties of L. Pneumophila x6

- gram neg bacteria
- facultative intracellular parasite
- slender unencapsulated rods
- cocco-bacillary appearance
- strict aerobes
- fastidious