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(A) S. pneumoniae serotype percentage by year and PCV vaccine type, all age groups. (B) S. pneumoniae serotype percentage by year and PCV vaccine type, age group <18. (C) S. pneumoniae serotype percentage by year and PCV vaccine type, age group 18–64. (D) S. pneumoniae serotype percentage by year and PCV vaccine type, age group ≥65.
