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  1. Pertussis - World Health Organization (WHO)

  2. Pertussis - World Health Organization (WHO)

  3. Pertussis (whooping cough) WPRO - World Health Organization …

  4. Laboratory manual for the diagnosis of whooping cough caused …

  5. Pertussis: What you need to know - World Health Organization …

  6. Laboratory Manual for the diagnosis of whooping cough caused …

  7. Pertussis: Vaccine Preventable Diseases Surveillance Standards

  8. The immunological basis for immunization series: module 4: …