What are the age-related demographics of pertussis (whooping cough)?

Updated: May 02, 2019
  • Author: Joseph J Bocka, MD; Chief Editor: Russell W Steele, MD  more...
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Answer

From 2001-2003, of patients with pertussis, 23% were younger than 1 year, 12% were aged 1-4 years, 9% were aged 5-9 years, 33% were aged 10-19 years, and 23% were older than 20 years. [26, 25]

Because of the lack of maternal immunity transfer, 10-15% of all cases of pertussis occur in infants younger than 6 months; more than 90% of all deaths occur in this same age group. However, the growing majority of cases are now in persons aged 10 years and older, which has led to increased booster recommendations.


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