A one-year-old boy was listless, irritable, and sleepy. Capsulated Gram-negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by

A one-year-old boy was listless, irritable, and sleepy. Capsulated Gram-negative rods were cultured from his cerebrospinal fluid. His symptoms were caused by



A) Neisseria meningitidis.
B) rabies.
C) Clostridium tetani.
D) Haemophilus influenzae.
E) a prion.


Answer: Haemophilus influenzae


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