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  1. About Whooping Cough Outbreaks | Whooping Cough | CDC

  2. Pertussis Surveillance and Trends | Whooping Cough | CDC

  3. Whooping cough wave is still accelerating nationwide. Here's …

  4. Whooping Cough Is on the Rise, Returning to Pre-Pandemic Trends

  5. Whooping cough is spiking in the U.S.: How to protect yourself …

  6. Whooping cough spikes, especially among unvaccinated teens

  7. Pertussis - World Health Organization (WHO)

  8. Mayo Clinic Minute: What is whooping cough?

  9. Whooping cough wave now the worst in almost a decade, as

  10. Whooping cough - Symptoms & causes - Mayo Clinic