Question 185 · LEK · Diphtheria, tetanus and pertussis vaccine (DTP)

An infant received the second dose of DTP vaccine 20 days after the first one. What is the proper management in this case?

  1. A. second dose should be considered realized and the vaccination should be continued according to the schedule.
  2. B. second dose should be considered not realized and it should be repeated after 4 weeks; next doses should be given according to the schedule.
  3. C. in this case the third dose should be given 20 days after the second dose.
  4. D. in this case the time span between the second and third dose should be increased to 40 days and next doses should be given according to the schedule.
  5. E. DTP vaccination should be restarted from the first dose after a 4-week break.
Hint

Recall the minimum interval between primary DTP doses and what happens to a dose given earlier than allowed.

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