Cerebral Spinal Fluid

Question 1

Colonizers of the CSF

Answer 1

None

Question 2

Pathogens of CSF in neonates (< 1 mo old)

Answer 2

Group B Streptococcus (GBS),
Escherichia coli,
Listeria species

Question 3

Pathogens of CSF in age 1-23 months

Answer 3

Streptococcus pneumoniae,
Neisseria meningitidis,
Haemophilus influenzae

Question 4

Pathogens of CSF in age 2-50 years old

Answer 4

Streptococcus pneumoniae,

Neisseria meningitidis,

Question 5

Pathogens of CSF in age > 50 years old

Answer 5

Streptococcus pneumoniae,
Neisseria meningitidis,
Gram-Negative Enterics,
Listeria monocytogenes

Question 6

Special cases in CSF

Answer 6

Herpes simplex virus (HSV),
Pseudomonas aeruginosa,
Arboviruses