Why Do Neisseria Meningitidis, Streptococcus Pneumoniae, and Haemophilus Influenzae Seldom Cause

question 15

Multiple Choice

Why do Neisseria meningitidis, Streptococcus pneumoniae, and Haemophilus influenzae seldom cause meningitis in newborns?

• A) Infants seldom come into contact with these pathogens.
• B) These pathogens are unable to colonize infants.
• C) Infants are protected by maternal IgM against these pathogens.
• D) Infants are protected by maternal IgG against these pathogens.
• E) Infants are vaccinated against these pathogens.

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