The Protective Efficacy of Polyvalent Pneumococcal Polysaccharide Vaccine
Shapiro E, Berg A, Austrian R, Schroeder D, Parcells V, Margolis A, Adair R, Clemens J. The Protective Efficacy of Polyvalent Pneumococcal Polysaccharide Vaccine. New England Journal Of Medicine 1991, 325: 1453-1460. PMID: 1944423, DOI: 10.1056/nejm199111213252101.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal infectionsPneumococcal polysaccharide vaccinePneumococcal vaccineProtective efficacyPneumococcal infectionCase patientsImmunocompetent patientsPolysaccharide vaccineVaccination historyHospital-based case-control studyPolyvalent pneumococcal polysaccharide vaccineSerious pneumococcal infectionsSite of hospitalizationVaccine protective efficacyPolyvalent pneumococcal vaccineCase-control studyProspective surveillanceRandomized trialsSterile sitesPatientsS. pneumoniaeMedical careStreptococcus pneumoniaeVaccineInfection