Resp - Haemophilus influenzae Flashcards
1
Q
Morphology
A
Gram negative coccobacilli
pleomorphic
2
Q
Classification/Diagnosis
A
6 serotypes
grows on blood agar and NAD plates
test by culture
3
Q
Pathology
A
Some strains encapsulated
type b capsular polysacchride
4
Q
Epidemiology
A
up to 80% are nosocomial carriers, most common cause of respiratory tract infection next to streptococcus pneumoniae
5
Q
Diseases/Symptoms
A
acute otitis media, sinusitis, penumonia in non-encapsulated/nontypeable strains
In addition to bacteremia, cellulitis, epiglotitis
meningitis in type b strains
6
Q
Treatment/Vaccinations
A
Penicillin, ampicillin
cephalosporins if penicillin resistant
type b conjugate vaccine for children
