Multiple Choice
Pertussis has the following characteristics, except
A) the pathogen has virulence factors to destroy the action of respiratory cilia.
B) the catarrhal stage has persistent, hacking coughs with "whoops".
C) an early stage resembles a cold with nasal discharge and sneezing.
D) DTaP immunization will prevent it.
E) transmission is by respiratory droplets.
Correct Answer:

Verified
Correct Answer:
Verified
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