1998
Effectiveness of pneumococcal vaccine
Butler J, Spika J, Nichol K, Shapiro E, Breinan R. Effectiveness of pneumococcal vaccine. The Lancet 1998, 351: 1961. PMID: 9654289, DOI: 10.1016/s0140-6736(05)78647-5.Peer-Reviewed Original Research
1991
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
1984
A controlled evaluation of the protective efficacy of pneumococcal vaccine for patients at high risk of serious pneumococcal infections.
Shapiro E, Clemens J. A controlled evaluation of the protective efficacy of pneumococcal vaccine for patients at high risk of serious pneumococcal infections. Annals Of Internal Medicine 1984, 101: 325-30. PMID: 6380367, DOI: 10.7326/0003-4819-101-3-325.Peer-Reviewed Original ResearchConceptsIncreased risk of pneumococcal infectionRisk of pneumococcal infectionEfficacy of pneumococcal vaccineSystemic pneumococcal infectionPneumococcal infectionPneumococcal vaccineVaccine protective efficacyIncreased riskProtective efficacyCase-control studyOdds ratioVaccine efficacyHigh riskMatched controlsPatientsInfectionConfounding variablesEfficacyVaccine