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131.

Early treatment of pertussis in infants (within the first seven days since the onset of symptoms) can reduce the symptoms of the disease. To effectively eradicate pertussis from the nasopharynx, you should administer:

A. macrolides.
B. ampicillin.
C. penicillin.
D. second-generation cephalosporins.
E. aminoglycoside.

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