2023
Floods and Diarrhea Risk in Young Children in Low- and Middle-Income Countries
Wang P, Asare E, Pitzer V, Dubrow R, Chen K. Floods and Diarrhea Risk in Young Children in Low- and Middle-Income Countries. JAMA Pediatrics 2023, 177: 1206-1214. PMID: 37782513, PMCID: PMC10546297, DOI: 10.1001/jamapediatrics.2023.3964.Peer-Reviewed Original ResearchConceptsMiddle-income countriesDiarrhea riskOdds ratioMAIN OUTCOMEMixed-effects logistic regression modelRisk of diarrheaCross-sectional studyHigher odds ratioPrevalence of diarrheaLogistic regression modelsHealth survey programUnexposed childrenEffect modificationChild healthDiarrhea prevalenceSurvey clustersSignificant associationHygiene practicesFourth weekWeeksStrong associationRandom interceptYoung childrenChildrenDiarrhea
2020
Meeting Report: WHO Workshop on modelling global mortality and aetiology estimates of enteric pathogens in children under five. Cape Town, 28–29th November 2018
Prudden H, Hasso-Agopsowicz M, Black R, Troeger C, Reiner R, Breiman R, Jit M, Kang G, Lamberti L, Lanata C, Lopman B, Ndifon W, Pitzer V, Platts-Mills J, Riddle M, Smith P, Hutubessy R, Giersing B. Meeting Report: WHO Workshop on modelling global mortality and aetiology estimates of enteric pathogens in children under five. Cape Town, 28–29th November 2018. Vaccine 2020, 38: 4792-4800. PMID: 32253097, PMCID: PMC7306158, DOI: 10.1016/j.vaccine.2020.01.054.Peer-Reviewed Original ResearchConceptsNumber of deathsWorld Health OrganizationEnteric diseaseEnteric pathogensVaccine Advisory CommitteeDifferent enteric pathogensDisease burden estimatesJohns Hopkins Bloomberg SchoolVaccine introduction decisionsVaccine product developmentMiddle-income countriesMortality estimatesVaccine prioritizationBurden estimatesGlobal burdenGlobal mortalityDisease estimatesBloomberg SchoolWorking GroupMajor causeHealth OrganizationHealth metricsIndependent working groupEstimation groupDeath
2018
Direct and possible indirect effects of vaccination on rotavirus hospitalisations among children in Malawi four years after programmatic introduction
Bennett A, Pollock L, Jere K, Pitzer V, Parashar U, Tate J, Heyderman R, Mwansambo C, French N, Nakagomi O, Iturriza-Gomara M, Everett D, Cunliffe N, Bar-Zeev N, Consortium F. Direct and possible indirect effects of vaccination on rotavirus hospitalisations among children in Malawi four years after programmatic introduction. Vaccine 2018, 36: 7142-7148. PMID: 29887320, PMCID: PMC6238204, DOI: 10.1016/j.vaccine.2018.04.030.Peer-Reviewed Original ResearchConceptsPost-vaccine introductionPrevalence of rotavirusVaccine effectivenessRotavirus prevalenceAcute gastroenteritisVaccine introductionRotavirus hospitalisationsVaccine coverageEfficacy estimatesAdjusted vaccine effectivenessRotavirus vaccine introductionYears of ageUse of vaccinesUnvaccinated infantsRotavirus diarrheaRotavirus diseaseUnvaccinated childrenReferral hospitalRoutine immunisationMalawian childrenSevere diarrheaStool samplesImportant causePoisson regressionHospitalisation
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
2009
Demographic Variability, Vaccination, and the Spatiotemporal Dynamics of Rotavirus Epidemics
Pitzer VE, Viboud C, Simonsen L, Steiner C, Panozzo CA, Alonso WJ, Miller MA, Glass RI, Glasser JW, Parashar UD, Grenfell BT. Demographic Variability, Vaccination, and the Spatiotemporal Dynamics of Rotavirus Epidemics. Science 2009, 325: 290-294. PMID: 19608910, PMCID: PMC3010406, DOI: 10.1126/science.1172330.Peer-Reviewed Original Research