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Bordetella pertussis transmission.

Elizabeth A Trainor1, Tracy L Nicholson2, Tod J Merkel3

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Summary

Animal models advance understanding of Bordetella pertussis transmission. Studies using baboon, swine, and mouse models reveal insights into whooping cough spread, bacterial factors, and vaccine impacts.

Keywords:
Animal modelsBordetella bronchisepticaBordetella pertussisWhooping coughaerosol transmission

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Pathogen Transmission

Background:

  • Bordetella pertussis causes whooping cough and is a human-adapted variant of Bordetella bronchiseptica.
  • Both Gram-negative bacteria are closely related genetically and share pathogenesis mechanisms.
  • Despite genetic similarity, they exhibit distinct host ranges, pathologies, and persistence.

Purpose of the Study:

  • To review B. pertussis transmission dynamics.
  • To highlight the contribution of animal models to understanding B. pertussis transmission.
  • To explore how B. bronchiseptica models inform B. pertussis transmission research.

Main Methods:

  • Review of existing literature on B. pertussis and B. bronchiseptica transmission.
  • Analysis of data from established animal models (baboon, swine, mouse).
  • Investigation of transmission routes, attack rates, host/bacterial factors, and vaccination effects.

Main Results:

  • Development of baboon, swine, and mouse models has facilitated transmission studies.
  • These models allow detailed examination of transmission routes and contributing factors.
  • Vaccination's impact on transmission can be effectively studied in these models.

Conclusions:

  • Animal models are crucial for elucidating B. pertussis transmission.
  • Comparative studies with B. bronchiseptica models enhance understanding of pertussis transmission.
  • Further research using these models will improve control strategies for whooping cough.