2025
Cost-effectiveness analysis of alternative infant and neonatal rotavirus vaccination schedules in Malawi
Wenger C, Asare E, Kwon J, Li X, Mwinjiwa E, Chinkhumba J, Jere K, Hungerford D, Cunliffe N, Paltiel A, Pitzer V. Cost-effectiveness analysis of alternative infant and neonatal rotavirus vaccination schedules in Malawi. PLOS Global Public Health 2025, 5: e0004341. PMID: 40209158, PMCID: PMC11984971, DOI: 10.1371/journal.pgph.0004341.Peer-Reviewed Original ResearchDose of RotarixNeonatal vaccinationThird doseDisability-adjusted life yearsRotavirus vaccination strategiesVaccination strategiesVaccination scheduleRV3-BB vaccineRotavirus vaccine scheduleModerate-to-severeCurrent rotavirus vaccinesProbabilistic sensitivity analysesRV3-BBPrevent rotavirusRotavirus casesRotavirus vaccineWTP thresholdAlternate infantsVaccine impactSevere diarrheaWeeks of ageRotarixVaccine effectivenessCost-effectiveness analysisCost-effectiveGlobal estimates of rotavirus vaccine efficacy and effectiveness: a rapid review and meta-regression analysis
Prunas O, Asare E, Sajewski E, Li Y, Pithawala Z, Weinberger D, Warren J, Armah G, Cunliffe N, Iturriza-Gómara M, Lopman B, Pitzer V. Global estimates of rotavirus vaccine efficacy and effectiveness: a rapid review and meta-regression analysis. EClinicalMedicine 2025, 81: 103122. PMID: 40115174, PMCID: PMC11925534, DOI: 10.1016/j.eclinm.2025.103122.Peer-Reviewed Original ResearchRotavirus-associated gastroenteritisRotavirus vaccine efficacyPredicting vaccine efficacyVaccine efficacyVaccine effectivenessVaccine performanceNational rotavirus immunization programImpact of rotavirus vaccinationRotavirus immunization programAffecting young childrenBill &Meta-regression analysisRandomized Controlled TrialsSystematic review of studiesEstimates of vaccine effectivenessRotavirus morbidityMelinda Gates FoundationRotavirus vaccineCohort studyLicensed vaccinesVaccine trialsDecreased efficacyControlled TrialsCase-controlLow-income settingsRisk Factors and Hospitalizations Associated with Pediatric Adenovirus and Rotavirus Infections in Northern Lebanon
Khalife S, Osman M, Moubayed S, Kassem I, Safadi D. Risk Factors and Hospitalizations Associated with Pediatric Adenovirus and Rotavirus Infections in Northern Lebanon. Medicina 2025, 61: 296. PMID: 40005411, PMCID: PMC11857655, DOI: 10.3390/medicina61020296.Peer-Reviewed Original ResearchConceptsAcute gastroenteritisRotavirus infectionRisk factorsSusceptibility to rotavirus infectionAssociated with breastfeedingBurden of rotavirusInfection rateLevel of maternal educationCross-sectional studyClinical dataRotavirus vaccinePediatric departmentFrequent viral agentsPediatric morbidityStool samplesLow infection rateTargeted public health interventionsChromatographic immunoassayNorth LebanonViral agentsInfectionProtective effectAdenovirusMaternal educationRotavirus
2024
Impact of dosing schedules on performance of rotavirus vaccines in Ghana
Asare E, Al-Mamun M, Armah G, Lopman B, Pitzer V. Impact of dosing schedules on performance of rotavirus vaccines in Ghana. Science Advances 2024, 10: eadn4176. PMID: 39661683, PMCID: PMC11633732, DOI: 10.1126/sciadv.adn4176.Peer-Reviewed Original ResearchConceptsVaccine dosing schedulesDosing scheduleDoses of RV1Median percentage reductionImprove vaccine performanceRotavirus vaccine impactThird doseRotavirus vaccineRotarix vaccineVaccine impactAdditional doseVaccine effectivenessVaccine performanceVaccineRotavirusRV1Percentage reductionChildrenRotarixImpact of rotavirus vaccination in Malawi from 2012 to 2022 compared to model predictions
Pitzer V, Ndeketa L, Asare E, Hungerford D, Lopman B, Jere K, Cunliffe N. Impact of rotavirus vaccination in Malawi from 2012 to 2022 compared to model predictions. Npj Vaccines 2024, 9: 227. PMID: 39562592, PMCID: PMC11576906, DOI: 10.1038/s41541-024-01008-6.Peer-Reviewed Original ResearchRotavirus-associated gastroenteritisRotavirus-negative childrenRotavirus-negative controlsImpact of rotavirus vaccinationVaccination coverageRotavirus vaccine impactAcute gastroenteritis casesNational immunization programPre-vaccination dataVaccine introductionRotavirus vaccineVaccine impactAcute gastroenteritisVaccine effectivenessGastroenteritis casesLow-income settingsImmunization programsVaccine
2023
Predicting indirect effects of rotavirus vaccination programs on rotavirus mortality among children in 112 countries
Kraay A, Chaney D, Deshpande A, Pitzer V, Lopman B. Predicting indirect effects of rotavirus vaccination programs on rotavirus mortality among children in 112 countries. Npj Vaccines 2023, 8: 32. PMID: 36871093, PMCID: PMC9985632, DOI: 10.1038/s41541-023-00632-y.Peer-Reviewed Original ResearchRotavirus vaccinationVaccine coveragePost-vaccine introductionHigh vaccine coverageRotavirus vaccination programLow vaccine coverageBirth rateWHO European RegionRotavirus deathsRotavirus mortalityRotavirus vaccineMiddle-income countriesVaccine impactDiarrhea deathsVaccination programIndirect protectionVaccinationEffect estimatesMortalityWestern Pacific RegionRegression analysisDirect protectionIncome countriesDeathHigh birth rate
2022
The influence of demographic and meteorological factors on temporal patterns of rotavirus infection in Dhaka, Bangladesh
Asare EO, Al-Mamun MA, Sarmin M, Faruque ASG, Ahmed T, Pitzer VE. The influence of demographic and meteorological factors on temporal patterns of rotavirus infection in Dhaka, Bangladesh. Proceedings Of The Royal Society B 2022, 289: 20212727. PMID: 35673869, PMCID: PMC9174722, DOI: 10.1098/rspb.2021.2727.Peer-Reviewed Original Research
2020
Modeling of rotavirus transmission dynamics and impact of vaccination in Ghana
Asare EO, Al-Mamun MA, Armah GE, Lopman BA, Parashar UD, Binka F, Pitzer VE. Modeling of rotavirus transmission dynamics and impact of vaccination in Ghana. Vaccine 2020, 38: 4820-4828. PMID: 32513513, PMCID: PMC8290434, DOI: 10.1016/j.vaccine.2020.05.057.Peer-Reviewed Original ResearchConceptsVaccine response ratesRotavirus vaccine impactRotavirus incidenceVaccine impactMaternal immunityResponse rateVaccine effectivenessLow-income countriesTeaching hospitalHigh-income countriesKorle-Bu Teaching HospitalKomfo Anokye Teaching HospitalMonovalent rotavirus vaccineRotavirus transmission dynamicsLow vaccine effectivenessProportion of infantsImpact of vaccinationWar Memorial HospitalAge distributionRotavirus casesRotavirus vaccineVaccine introductionVaccine performanceMemorial HospitalRotavirus seasonality
2019
Effect of Concomitant Antibiotic and Vaccine Administration on Serologic Responses to Rotavirus Vaccine
Anderson EJ, Lopman B, Yi J, Libster R, Creech CB, El-Khorazaty J, Baqar S, Yildirim I, Kao C, Rouphael N, Shane AL, Edwards K. Effect of Concomitant Antibiotic and Vaccine Administration on Serologic Responses to Rotavirus Vaccine. Journal Of The Pediatric Infectious Diseases Society 2019, 9: 479-482. PMID: 31237948, PMCID: PMC7495907, DOI: 10.1093/jpids/piz044.Peer-Reviewed Original Research
2012
Understanding Reduced Rotavirus Vaccine Efficacy in Low Socio-Economic Settings
Lopman BA, Pitzer VE, Sarkar R, Gladstone B, Patel M, Glasser J, Gambhir M, Atchison C, Grenfell BT, Edmunds WJ, Kang G, Parashar UD. Understanding Reduced Rotavirus Vaccine Efficacy in Low Socio-Economic Settings. PLOS ONE 2012, 7: e41720. PMID: 22879893, PMCID: PMC3412858, DOI: 10.1371/journal.pone.0041720.Peer-Reviewed Original ResearchConceptsLow socio-economic settingRotavirus vaccine efficacyVaccine efficacyRotavirus vaccineSevere diseaseNatural infectionImmunogenicity of vaccinationReduced vaccine efficacySevere rotavirus gastroenteritisReduced efficacyClinical trial resultsLow SES populationsRotavirus gastroenteritisVaccine performanceVaccination programImmune responseEpidemiological factorsVaccineVaccinationTrial resultsInfectionSES populationsEfficacyReduced protectionEfficacy declines
2011
Leveraging State Immunization Information Systems to Measure the Effectiveness of Rotavirus Vaccine
Cortese M, LeBlanc J, White K, Jerris R, Stinchfield P, Preston K, Meek J, Odofin L, Khizer S, Miller C, Buttery V, Mijatovic-Rustempasic S, Lewis J, Parashar U, Immergluck L. Leveraging State Immunization Information Systems to Measure the Effectiveness of Rotavirus Vaccine. 2011, 128: e1474-e1481. PMID: 22084328, PMCID: PMC8202521, DOI: 10.1542/peds.2011-1006.Peer-Reviewed Original ResearchConceptsImmunization Information SystemVaccine effectivenessControl groupState Immunization Information SystemRotavirus vaccine effectivenessRotavirus-negative controlsVaccine-eligible childrenEffectiveness of vaccinesVE point estimatesCase-control methodologyYears of lifeRotavirus diseaseRotavirus vaccineNegative childrenEmergency departmentRotavirus seasonRotavirus antigenImmunization recordsEligibility criteriaUS childrenImmunization dataMonthsDosesZip codesChildren
2009
Multicenter Prospective Study on the Burden of Rotavirus Gastroenteritis in Turkey, 2005–2006: A Hospital-Based Study
Ceyhan M, Alhan E, Salman N, Kurugol Z, Yildirim I, Celik U, Keser M, Koturoglu G, Tezer H, Bulbul EK, Karabocuoglu M, Halicioglu O, Anis S, Pawinski R. Multicenter Prospective Study on the Burden of Rotavirus Gastroenteritis in Turkey, 2005–2006: A Hospital-Based Study. The Journal Of Infectious Diseases 2009, 200: s234-s238. PMID: 19817603, DOI: 10.1086/605056.Peer-Reviewed Original ResearchConceptsRotavirus gastroenteritisWorld Health Organization's generic protocolRotavirus-positive childrenPrevalence of rotavirusMulticenter prospective studyRotavirus vaccineProspective surveillanceProspective studyDisease burdenMortality rateGastroenteritisPrevalent strainsRotavirusIndividual centersChildrenBurdenMain causeHospitalizationHospitalInfantsVaccineYearsPrevalence
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