Which of the following statements about Haemophilus influenzae type B is TRUE?

A. It is the leading cause of conjunctivitis in adults.
B. It was once the leading cause of meningitis in children aged six months to three years.
C. Vaccines are ineffective against Haemophilus influenzae type B.
D. It is a Gram-positive rod.


Ans: B. It was once the leading cause of meningitis in children aged six months to three years.

Health Professions

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