2025
Clinical effectiveness of HPV vaccine by age at vaccination: a matched case-control study
Oliveira C, Shapiro E, Sheth S, Ellingson M, Johnson N, Sullivan E, Querec T, Unger E, Niccolai L. Clinical effectiveness of HPV vaccine by age at vaccination: a matched case-control study. The Lancet Regional Health - Americas 2025, 51: 101225. PMID: 41019517, PMCID: PMC12465035, DOI: 10.1016/j.lana.2025.101225.Peer-Reviewed Original ResearchHPV vaccinationCase-control studyHuman papillomavirusVaccine effectivenessClinical effectsDose of HPV vaccineHigh-grade cervical lesionsOdds ratioBenefits of HPV vaccinationEffectiveness of HPV vaccinationMultivariable conditional logistic regression modelsVaccine-eligible womenPap smear resultsHuman papillomavirus vaccineConfidence intervalsConditional logistic regression modelsCenters for Disease Control and PreventionDisease Control and PreventionCervical lesionsSmear resultsFirst doseHPV-16Pap testControl and PreventionLogistic regression modelsInfluence of Community-Level Factors on Health Care Provider Recommendations for HPV Vaccine
Ellingson M, O’Leary S, Schwartz J, Niccolai L. Influence of Community-Level Factors on Health Care Provider Recommendations for HPV Vaccine. Pediatrics Open Science 2025, 1: 1-9. DOI: 10.1542/pedsos.2024-000263.Peer-Reviewed Original ResearchCommunity-level factorsHealth care providersHealth care provider recommendationHuman papillomavirus vaccineHuman papillomavirusInfluence of community-level factorsNon-White adolescentsZip codesNational Immunization Survey-TeenHuman papillomavirus vaccine coverageHigh-poverty zip codesRate of unemploymentAssociated with higher population densityCommunity-level educationUS Census Bureau dataAge-eligible patientsCare provider recommendationEvidence-based interventionsCensus Bureau dataPoverty statusLogistic regression analysisAdolescent raceStatistically significant interactionCare providersSurvey-Teen
2023
Human papillomavirus vaccine effectiveness by age at vaccination: A systematic review
Ellingson M, Sheikha H, Nyhan K, Oliveira C, Niccolai L. Human papillomavirus vaccine effectiveness by age at vaccination: A systematic review. Human Vaccines & Immunotherapeutics 2023, 19: 2239085. PMID: 37529935, PMCID: PMC10399474, DOI: 10.1080/21645515.2023.2239085.Peer-Reviewed Original ResearchConceptsVaccine effectivenessSystematic reviewHuman Papillomavirus Vaccine EffectivenessVaccine-type HPV infectionYounger ageHigh vaccine effectivenessHuman papillomavirus vaccineVaccine effectiveness studiesYounger age groupsAdolescents ages 15Adolescents ages 9HPV infectionHPV vaccineVaccine initiationPapillomavirus vaccineTime vaccinationAnogenital wartsCervical abnormalitiesCervical cancerDisease outcomeAge groupsOlder ageEffectiveness studiesAge 15Age
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