Which age groups have the highest prevalence of pneumococcal infection?

Updated: Jun 08, 2020
  • Author: Eduardo Sanchez, MD; Chief Editor: John L Brusch, MD, FACP  more...
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Children younger than 2 years carry the highest burden of S pneumoniae disease worldwide. In developed countries, the incidence is highest in those aged 6 months to 1 year, while, in developing countries, the disease is particularly common in children younger than 6 months.

Adults older than 55-65 years are the next most commonly affected age group worldwide.

Immunosuppressed persons of any age are at a higher risk for pneumococcal disease.

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