Question 123 · LEK · Meningitis

Indicate the most frequent etiology of the purulent meningitis in adults:

  1. A. Streptococcus pneumoniae and E. coli.
  2. B. Streptococcus pneumoniae and Haemophilus influenzae t. b.
  3. C. Streptococcus pneumoniae and Neisseria meningitidis.
  4. D. Neisseria meningitidis and Haemophilus influenzae t. b.
  5. E. Listeria monocytogenes and group D streptococci.
Hint

Think of the two encapsulated organisms responsible for most bacterial meningitis in vaccinated adult populations.

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