Pneumococcal conjugate vaccines reduce the incidence of ear infections in young children.

the verdict

INSUFFICIENT LEANING

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6 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that pneumococcal conjugate vaccines reduce the incidence of ear infections in young children?

Unclear. Several sources indicate pneumococcal conjugate vaccines reduce otitis media, but the evidence is partial: a Swedish cohort and a 2003 review report efficacy against vaccine-serotype ear infections, while a 2025 Chinese meta-analysis found only limited evidence for otitis media. No retrieved item settles the claim at the general strength asserted.

Verdict: PARTIAL LEAN · 6 sources for, 0 against · Last checked 3 Oct 2026

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 6

Pneumococcal conjugate vaccine

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Pneumococcal conjugate vaccine. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Pneumococcal_conjugate_vaccine

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More for · 5

Pneumococcal conjugate vaccines for children

2020

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Pneumococcal conjugate vaccines for children. (2020). hal.science. https://doi.org/10.1016/j.jpp.2019.12.008

Effectiveness and impact of 7 and 13-valent pneumococcal conjugate vaccines in Chinese children: A systematic review and meta-analysis

2025

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Peng, R., Zhang, T., Dunne, E. M., Xu, Z., Sun, A., & Cheng, J. (2025). Effectiveness and impact of 7 and 13-valent pneumococcal conjugate vaccines in Chinese children: A systematic review and meta-analysis. doi.org. https://doi.org/10.1080/21645515.2025.2573542

The effect of pneumococcal conjugate vaccines on otitis media from 2005 to 2013 in children aged ≤5 years: a retrospective cohort study in two Swedish regions -

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The effect of pneumococcal conjugate vaccines on otitis media from 2005 to 2013 in children aged ≤5 years: a retrospective cohort study in two Swedish regions - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1080/21645515.2020.1775455

Antibiotic resistance and the potential impact of pneumococcal conjugate vaccines

2003

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Antibiotic resistance and the potential impact of pneumococcal conjugate vaccines. (2003). doi.org. https://doi.org/10.33321/cdi.2003.27.37

Epidemiology of Otitis Media with Spontaneous Perforation of the Tympanic Membrane in Young Children and Association with Bacterial Nasopharyngeal Carriage, Recurrences and Pneumococcal Vaccination in Catalonia, Spain - The Prospective HERMES Study

2017

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Cilveti, R., Olmo, M., Pérez-Jové, J., Picazo, J., Arimany, J., Mora, E., Perez-Porcuna, T., Aguilar, I., Alonso, A., Molina, F., Amo, M. D., & Méndez, C. (2017). Epidemiology of Otitis Media with Spontaneous Perforation of the Tympanic Membrane in Young Children and Association with Bacterial Nasopharyngeal Carriage, Recurrences and Pneumococcal Vaccination in Catalonia, Spain - The Prospective HERMES Study. doi.org. https://doi.org/10.1371/journal.pone.0170316

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