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Pertussis (Whooping Cough) Vaccine: Prevention, Risks and More


How many doses of the DTaP vaccine does a child need?
Your child will get a series of shots at these ages:

  • 2 months
  • 4 months
  • 6 months
  • 15 to 18 months
  • 4 to 6 years

How well does the DTaP vaccine work?
After the third dose – given at age 6 months – your child will be 80% to 85% immune to whooping cough for 3 to 5 years.


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