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
2022
Comparison of model predictions of typhoid conjugate vaccine public health impact and cost-effectiveness
Burrows H, Antillón M, Gauld J, Kim J, Mogasale V, Ryckman T, Andrews J, Lo N, Pitzer V. Comparison of model predictions of typhoid conjugate vaccine public health impact and cost-effectiveness. Vaccine 2022, 41: 965-975. PMID: 36586741, PMCID: PMC9880559, DOI: 10.1016/j.vaccine.2022.12.032.Peer-Reviewed Original ResearchConceptsIncremental cost-effectiveness ratioRoutine vaccinationVaccine impactPublic health impactOne-time catchPotential public health impactHigh-incidence settingsTyphoid fever casesCost-effectiveness ratioMonths of ageHealth impactsModel-predicted outcomesPrimary outcomeChronic carriersIncidence settingsSymptomatic casesVaccine introductionEndemic settingsVaccine deploymentFever casesVaccinationTyphoid casesIncremental costTyphoid transmissionMonths
2016
In-season and out-of-season variation of rotavirus genotype distribution and age of infection across 12 European countries before the introduction of routine vaccination, 2007/08 to 2012/13.
Hungerford D, Vivancos R, Read J, Pitzer V, Cunliffe N, French N, Iturriza-Gómara M. In-season and out-of-season variation of rotavirus genotype distribution and age of infection across 12 European countries before the introduction of routine vaccination, 2007/08 to 2012/13. Eurosurveillance 2016, 21 PMID: 26794258, DOI: 10.2807/1560-7917.es.2016.21.2.30106.Peer-Reviewed Original ResearchConceptsGenotype distributionMultinomial multivariate logistic regressionRotavirus gastroenteritis casesRotavirus genotype distributionRoutine rotavirus vaccinationRotavirus vaccination programRotavirus-positive specimensMultivariate logistic regressionOdds of infectionAge of infectionRVGE casesUntypable genotypesRotavirus vaccinationRoutine vaccinationVaccine introductionVaccination programGastroenteritis casesEpidemiological changesGenotype surveillanceLogistic regressionCommon genotypeMicrobiological dataVaccinationSurveillance networkAge