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  1. Pertussis (Whooping Cough) | Whooping Cough | CDC

  2. Whooping cough - Symptoms & causes - Mayo Clinic

  3. Treatment of Pertussis | Pertussis (Whooping Cough) | CDC

  4. About Whooping Cough | Whooping Cough | CDC - Centers for …

  5. Whooping Cough (Pertussis): Causes, Symptoms & Prevention

  6. Pertussis (Whooping Cough) - National Institute of Allergy and ...

  7. Whooping cough - Diagnosis & treatment - Mayo Clinic

  8. Pertussis: Common Questions and Answers | AAFP

  9. Pertussis - World Health Organization (WHO)

  10. Pertussis - StatPearls - NCBI Bookshelf - National Center for ...