2004
Effectiveness Over Time of Varicella Vaccine
Vázquez M, LaRussa PS, Gershon AA, Niccolai LM, Muehlenbein CE, Steinberg SP, Shapiro ED. Effectiveness Over Time of Varicella Vaccine. JAMA 2004, 291: 851-855. PMID: 14970064, DOI: 10.1001/jama.291.7.851.Peer-Reviewed Original ResearchConceptsTime of vaccinationVaricella vaccineVaccine effectivenessCase subjectsPolymerase chain reaction test resultsVaricella-zoster virus DNACase-control studyReaction test resultsReports of outbreaksFirst yearBreakthrough diseaseImmunized groupsActive surveillancePossible confoundersPediatric practiceVaccinationVaccineVirus DNAMonthsMost casesGroup practiceChickenpoxAgeYear 2Year 1
2001
The Effectiveness of the Varicella Vaccine in Clinical Practice
Vázquez M, LaRussa P, Gershon A, Steinberg S, Freudigman K, Shapiro E. The Effectiveness of the Varicella Vaccine in Clinical Practice. New England Journal Of Medicine 2001, 344: 955-960. PMID: 11274621, DOI: 10.1056/nejm200103293441302.Peer-Reviewed Original ResearchConceptsVaricella-zoster virusVaricella vaccinePolymerase chain reactionMild diseasePediatric practiceClinical practicePositive PCR testCase-control studyConditional logistic regressionPotential casesUnvaccinated childrenPotential confoundersActive surveillanceSevere diseaseChickenpoxDay 3VaccineLogistic regressionPCR testDiseaseChain reactionChildrenResearch assistantsIllnessVirus