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Validation of self-reported pneumococcal vaccination in behavioral risk factor surveillance surveys: experience from the sickness prevention achieved through regional collaboration (SPARC) program

VaccinationPreventive MedicineRegional CollaborationHealth PolicyDisease PreventionPublic Health InterventionDisease SurveillanceVaccine EfficacyInfection ControlPublic Health PolicyPublic HealthMedicineVaccine HesitancyHealth Services ResearchEpidemiologySickness PreventionSelf-reported Pneumococcal Vaccination