Meningococcal Vaccines Flashcards
1
Q
How does neisseria meningitidis present clinically?
A
- Gram neg diplococcus
- Conjunctivitis, pneumonia, sepsis, meningitis, septic arthritis
- Also asx NP carriage
2
Q
Incidence of invasive disease in Canada? Mortality?
A
1 in 100 000
Mortality 10% (higher if septic)
3
Q
What are the main serogroups of meningococcal infx?
A
5 serogroups - A, B, C, Y, W-135
Serogroup B endemic in Canada, peaks in
4
Q
MCV-C (Menjugate) vaccine given at what age?
Booster when, and which vaccine?
A
12 months (immunizing before that doesn't give protection beyond 1 yr)
Booster MCV-4 or MCV-C at 12 years
5
Q
Who is at increased risk for invasive meningococcal infection?
How do vaccines differ for high risk people?
A
- Asplenia (anatomical/functional)
- Antibody deficiency disorders
- Complement, properdin, factor D deficiency
- Travel to high risk areas
- Lab people with exposure
- Military
If high risk:
- MCV-C at 2 and 4 months
- MCV-4 if older than 2 years