Barbeiri Flashcards
Which layers of the meninges can become inflamed during bacterial meningitis?
pia mater and arachnoid
Premature babies and newborns most commonly have meningitis due to what?
group B strep (esp if 1st week of life)
e coli
listeria
Older children usally get meningitis due to what?
strep pneumo
neisseria menigitidis
HiB in coutnries w/o vaccination
Adults usually get mennigitis due to what?
neisseria meningitidis and strep pneumo
How to bacterial capsules act as a defense?
prevent opsonization and phagocytosis by phaocytes
What is used to treat group B strep meningitis?
beta-lactams
What type of vaccines are avaialbel for group B strep?
polysacc capsule
no conjugate
What type of vaccines are avaialble for strep pneumo?
polysacc capsule
conjugate vaccine
What other type of disease does strep pneumo most commonly cause?
pneumonia
What types of vaccines are available for N meningitidis?
polysacch capsule and conjugate
Which pathogen causes the most meningitis globally?
haemophilus influenzae
What protects children <3 mo old from Hib?
maternal Ab
What do antibodies target on Hib to protect?
polyribosylribose phosphate capsular antigen
What is PRP conjugated to in surrent Hib vaccines?
diptheria toxoid
What type of vaccines stimulate a T-cell dependent Ab response and a memory response?
polysaccharide-conjugate vaccines