Real-world effectiveness of pneumococcal vaccination in older adults: Cohort study using the UK Clinical Practice Research Datalink.
Adam J StreeterLauren R RodgersJane MasoliNan X LinAlessandro BléWillie HamiltonWilliam E HenleyPublished in: PloS one (2022)
PPV23 is moderately effective at reducing CAP among UK patients aged≥65y, in the two years after vaccination. Vaccine effectiveness is maintained, and may increase, in the oldest age groups in step with increasing susceptibility to CAP.