Why is DPT vaccine given?

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  2. #vaccine
  3. #caused
  4. #protection
  5. #haemophilus
  6. #series
  7. #children
  8. #through
  9. #years
  10. #against
  11. #fifth
  12. #gives
  13. #disease
  14. #poliomyelitis
  15. #doctors
  16. #influenzae
  17. #invasive