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I: microbial diseases of the nervous system (HAEMOPHILUS INLFUENZAE TYPE B, GROUP B STREPTOCOCCUS, LISTERIA MONOCYTOGENES)
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influenzal meningitis is caused by what microbe?
haemophilus influenzae type b
why is haemophilus influenzae type b virulent?
it has a capsule that allows it to resist host defenses
haemophilus influenzae type b is part of the normal _____ flora
throat
what population is most affected by influenzal meningitis?
babies under 4 years old
is there a vaccine for influenzal meningitis?
yes, there is a vaccine that is given to babies that protects against haemophilus influenzae type b
group b streptococcus is abbreviated as
GBS
what are the symptoms of GBS?
meningitis + neonatal sepsis
what type of bacterial meningitis causes neonatal sepsis?
group b streptococcus
what is the mortality rate of GBS?
55%
group b streptococcus is part of the normal flora of the _______
vagina
what population is most affected by GBS?
newborns
pregnant women are screened for ____ and offered antibiotics during _______ to prevent transmission to the newborn
GBS
labor
listeria monocytogenes causes what disease?
bacterial meningitis
listeria monocytogenes is responsible for _________ illness
foodborne
what products can contain listeria monocytogenes?
dairy products
ready-to-eat deli meats
hot dogs
why is listeria monocytogenes easily foodborne?
it is a psychrophile, meaning it can survive in cold
what population is most affected by listeria?
pregnant women
immunosuppressed
newborns
what did the FDA approve for treating ready-to-eat meats?
a bacteriophage spray