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-effective
2024
Modelling vaccination approaches for mpox containment and mitigation in the Democratic Republic of the Congo
Savinkina A, Kindrachuk J, Bogoch I, Rimoin A, Hoff N, Shaw S, Pitzer V, Mbala-Kingebeni P, Gonsalves G. Modelling vaccination approaches for mpox containment and mitigation in the Democratic Republic of the Congo. The Lancet Global Health 2024, 12: e1936-e1944. PMID: 39393385, DOI: 10.1016/s2214-109x(24)00384-x.Peer-Reviewed Original ResearchA low-cost culture- and DNA extraction-free method for the molecular detection of pneumococcal carriage in saliva
Peno C, Lin T, Hislop M, Yolda-Carr D, Farjado K, York A, Pitzer V, Weinberger D, Bei A, Allicock O, Wyllie A. A low-cost culture- and DNA extraction-free method for the molecular detection of pneumococcal carriage in saliva. Microbiology Spectrum 2024, 12: e00591-24. PMID: 39028185, PMCID: PMC11370248, DOI: 10.1128/spectrum.00591-24.Peer-Reviewed Original ResearchDetection of pneumococciDetection of pneumococcal carriagePneumococcal carriageCarriage surveillanceLow-resource settingsChildren attending childcare centersCarriage of pneumococciDNA extractionSaliva samplesMolecular methodsCultural enrichmentImprove surveillance effortsQPCR-based protocolPneumococcal vaccineExtraction-free methodMolecular detectionNucleic acid extractionVaccination strategiesPneumococciCulture-enrichment methodExtraction-free protocolPurified DNASalivaPaired samplesCarriage
2023
Cost-effectiveness analysis of typhoid conjugate vaccines in an outbreak setting: a modeling study
Phillips M, Antillon M, Bilcke J, Bar-Zeev N, Limani F, Debellut F, Pecenka C, Neuzil K, Gordon M, Thindwa D, Paltiel A, Yaesoubi R, Pitzer V. Cost-effectiveness analysis of typhoid conjugate vaccines in an outbreak setting: a modeling study. BMC Infectious Diseases 2023, 23: 143. PMID: 36890448, PMCID: PMC9993384, DOI: 10.1186/s12879-023-08105-2.Peer-Reviewed Original ResearchConceptsTyphoid Conjugate VaccineRoutine vaccinationReactive vaccinationVaccination strategiesOutbreak settingsMultidrug-resistant Salmonella typhiQueen Elizabeth Central HospitalTyphoid fever epidemicYears of ageMonths of ageCost-effectiveness analysisWorld Health OrganizationConjugate vaccineCentral HospitalRoutine immunizationVaccine deploymentPreventive vaccinationVaccinationTyphoid feverCost-effective strategyAge 15Health OrganizationFever epidemicAntimicrobial resistanceOutbreak definitions
2014
Predicting the Impact of Vaccination on the Transmission Dynamics of Typhoid in South Asia: A Mathematical Modeling Study
Pitzer VE, Bowles CC, Baker S, Kang G, Balaji V, Farrar JJ, Grenfell BT. Predicting the Impact of Vaccination on the Transmission Dynamics of Typhoid in South Asia: A Mathematical Modeling Study. PLOS Neglected Tropical Diseases 2014, 8: e2642. PMID: 24416466, PMCID: PMC3886927, DOI: 10.1371/journal.pntd.0002642.Peer-Reviewed Original ResearchConceptsChristian Medical College HospitalSubstantial indirect protectionMedical College HospitalCulture-confirmed casesImpact of vaccinationIncidence of typhoidTransmission dynamicsOne-time campaignChronic carriersCollege HospitalVaccination strategiesEndemic settingsTyphoid feverVaccinationTyphoid infectionTyphoid casesNatural historyIndirect protectionVi polysaccharideBasic reproductive numberTyphoidIncidenceTyphoid incidenceAge distributionReproductive number
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