Multiple Choice
Recent reemergence of pertussis is due in part to
A) waning immunity in adolescents and adults from the short- lived DTaP vaccine.
B) ease of global travel.
C) increased human contact with animal reservoirs.
D) increased antibiotic resistance.
E) reactivation of latent infections in older individuals.
Correct Answer:

Verified
Correct Answer:
Verified
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