Pertussis in infants: preventing deaths and hospitalisations in the very young

Nicholas Wood1, Helen E Quinn, Peter McIntyre

  • 1National Centre for Immunisation Research and Surveillance of Vaccine Preventable Diseases (NCIRS), Sydney, New South Wales, Australia. nicholw3@chw.edu.au

Insights

Infants under 6 months face severe pertussis (whooping cough) and are too young for vaccines. Strategies like adult, parental, and newborn vaccination aim to protect vulnerable infants.

Area of Science:

  • Public Health
  • Infectious Diseases
  • Pediatrics

Background:

  • Pertussis (whooping cough) poses a significant threat to infants under six months old.
  • This age group experiences the highest rates and severity of pertussis, leading to hospitalization and death.
  • Current vaccination schedules do not provide adequate protection for these very young infants.

Purpose of the Study:

  • To review the current epidemiology of pertussis in Australia.
  • To explore four potential prevention strategies for pertussis in infants under six months of age.

Main Methods:

  • Epidemiological review of pertussis in Australia.
  • Analysis of four proposed infant pertussis prevention strategies.

Main Results:

  • Pertussis remains a critical concern for unvaccinated infants.
  • Four strategies are proposed: universal adolescent/adult vaccination, cocoon vaccination (immunizing those around the infant), early infant vaccination, and maternal vaccination.

Conclusions:

  • Protecting infants under six months from pertussis requires targeted strategies.
  • Maternal vaccination, cocooning, and early infant vaccination are key approaches to reduce infant pertussis morbidity and mortality.

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