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AboutAboutSerotypesMechanism of ActionCAPiTA: Prevnar 13 Efficacy profileImmunogenicity profileSafety profilePatient profilesDosingDosingDosingPneumococcal diseasePneumococcal diseasePneumococcal diseasePneumococcal serotypesRisk factorsRecommendationsRecommendationsRecommendationsResourcesResourcesMaterialsVideos
Important Safety InformationProduct Monograph
Pneumococcal serotypes
Distribution of serotypes in Canada*
Invasive S. pneumoniae serotypes, percentage of isolates 20221-4*
Serotype 2022 Percentage Distribution (all ages)
1 0.1%
3 11.9%
4 12.4%
6A 0.1%
6B 0.2%
7F 2.3%
9V 5.1%
14 0.2%
18C 0.3%
19A 5.9%
19F 2.8%
23F 0.3%
22F 7.3%
33F 1.4%
8 5.1%
10A 1.3%
11A 3.2%
12F 5.4%
15B/C 3.2%
2 0.0%
9N 5.2%
17F 0.6%
20 4.4%
6C 1.5%
15A 2.9%
16F 2.2%
23A 2.9%
23B 2.8%
24F 0.2%
31 1.5%
35B 1.8%
7C 1.5%
13 0.3%
21 0.3%
28A 0.3%
34 0.9%
35F 1.6%
38 0.1%
Nontypeable 0.1%
Other 0.8%
Adapted from Public Health Agency of Canada.Vaccine preventable serotypes1-4PREVNAR 13 serotypes: 1, 3, 4, 5, 6A, 6B, 7F, 9V, 14, 18C, 19A, 19F, 23FPREVNAR 20 serotypes: 1, 3, 4, 5, 6A, 6B, 7F, 8, 9V, 10A, 11A, 12F, 14, 15B, 18C, 19A, 19F, 22F, 23F, 33FAll vaccine-preventable serotypes: 1, 2, 3, 4, 5, 6A, 6B, 6C, 7F, 8, 9N, 9V, 10A, 11A, 12F, 14, 15A, 15B, 15C, 16F, 17F, 18C, 19A, 19F, 20, 22F, 23A, 23B, 23F, 24F, 31, 33F, 35BNon-vaccine preventable serotypes: 7C, 13, 21, 28A, 29, 34, 35F, 38
  • The serotypes included in PREVNAR 13 accounted for 41.6% of invasive pneumococcal disease cases in all ages, while the additional serotypes included in PREVNAR 20 accounted for a further 26.9%.1
  • In 2022, serotypes 4 (14.9%) and 3 (14.6%) were the most common in 50 to 64-year-olds, while serotypes 3 (13.3%) and 22F (9.9%) were dominant in adults over 65 years of age.
  • Of the over 100 identified serotypes, those included in PREVNAR 20 have been associated with higher case-fatality rates and mortality, antibiotic resistance, meningitis and outbreaks.3
A study from the National laboratory surveillance of invasive streptococcal disease in Canada examining the serotype distribution of 3775 isolates of invasive pneumococcal disease1References:Public Health Agency of Canada. Invasive pneumococcal disease surveillance in Canada, 2021-2022. May 2024. Accessed on June 17, 2024.CAPVAXIVE Product Monograph. Merck Canada ULC.PREVNAR 20 Product Monograph. Pfizer Canada ULC.PNEUMOVAX 23 Product Monograph. Merck Canada ULC. NEXT

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