Haemophilus influenzae Flashcards
1
Q
What sort of diseases can it cause?
A
Two categories: Contiguous to site of colonisation (resp tract): Otitis media Sinusitis Epiglottitis Bronchopneumonia Invasion of bloodstream: Bacterial meningitis (infants and very young children) Septic arthritis Cellulitis
2
Q
Gram positive/negative?
A
negative
3
Q
shape?
A
bacilli
4
Q
Normal site?
A
upper resp tract, conjunctiva and genital tract
5
Q
How is it spread?
A
resp droplets
6
Q
Virulence factors? (2)
A
capsule
IgA protease
7
Q
Describe some investigations that could test for this bacteria
A
Gram stain: Gram negative and coccobacilli
8
Q
Treatment?
A
3rd gen cephalosporin or trimethoprim with sulfamethoxazole
9
Q
Prevention?
A
Vaccine