2023
Year-Round Respiratory Syncytial Virus Transmission in The Netherlands Following the COVID-19 Pandemic: A Prospective Nationwide Observational and Modeling Study
Löwensteyn Y, Zheng Z, Rave N, Bannier M, Billard M, Casalegno J, Pitzer V, Wildenbeest J, Weinberger D, Bont L, Putten M, Smit-Kleinlugtenbeld E, Peetsold M, van der Kuip M, van Goudoever H, van Keulen B, Boot A, Kloos R, van Gool S, Snepvangers Y, Kuijpers A, Menelik N, de Crom S, Miedema C, Tusscher G, van Giessen J, de Moor R, Faber M, Breukels M, Jaddoe V, Duijts L, Lutterman C, Vink I, Tramper-Stranders G, Oudshoorn A, Ritman A, Dubbink-Verheij G, Bolt J, Cakir C, Rietveld E, Bekhof J, Rings E, de Swart J, Driessen G, Doedens R, Nijssen L, van Onzenoort-Bokken L, Meijneke R, van Scherpenzeel M, Faber T, de Groof F, Schouten S, van de Zande J, de Coul M, Henriet S, Stol K, van Rossem M, Jacobs M, van Houten M, Zuurbier R, Plötz F, de Vries A, van der Heide R, van Boekholt A, de Jong G, Rashid A, Roelofs M, Illy K, Reijmerink N, van Dorth S, Schipper S, Rosias P, Teirlinck A. Year-Round Respiratory Syncytial Virus Transmission in The Netherlands Following the COVID-19 Pandemic: A Prospective Nationwide Observational and Modeling Study. The Journal Of Infectious Diseases 2023, 228: 1394-1399. PMID: 37477906, PMCID: PMC10640768, DOI: 10.1093/infdis/jiad282.Peer-Reviewed Original ResearchChanges in Population Immunity Against Infection and Severe Disease From Severe Acute Respiratory Syndrome Coronavirus 2 Omicron Variants in the United States Between December 2021 and November 2022
Klaassen F, Chitwood M, Cohen T, Pitzer V, Russi M, Swartwood N, Salomon J, Menzies N. Changes in Population Immunity Against Infection and Severe Disease From Severe Acute Respiratory Syndrome Coronavirus 2 Omicron Variants in the United States Between December 2021 and November 2022. Clinical Infectious Diseases 2023, 77: 355-361. PMID: 37074868, PMCID: PMC10425195, DOI: 10.1093/cid/ciad210.Peer-Reviewed Original ResearchConceptsSevere diseasePopulation immunityOmicron infectionOmicron variantUS populationSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2SARS-CoV-2 infectionRespiratory syndrome coronavirus 2SARS-CoV-2 Omicron variantRestoration of immunitySyndrome coronavirus 2Bayesian evidence synthesis modelInfection-acquired immunityEvidence synthesis modelSARS-CoV-2Prior immunological exposureCoronavirus 2Additional infectionsImmunological exposureInfectionDiseaseImmunityVaccinationUnited States
2015
Did Large-Scale Vaccination Drive Changes in the Circulating Rotavirus Population in Belgium?
Pitzer VE, Bilcke J, Heylen E, Crawford FW, Callens M, De Smet F, Van Ranst M, Zeller M, Matthijnssens J. Did Large-Scale Vaccination Drive Changes in the Circulating Rotavirus Population in Belgium? Scientific Reports 2015, 5: 18585. PMID: 26687288, PMCID: PMC4685644, DOI: 10.1038/srep18585.Peer-Reviewed Original ResearchConceptsVaccine introductionStrain-specific vaccine effectivenessVaccine-derived immunityRotavirus vaccine introductionVaccine-induced immunityAbsence of vaccinationRotavirus populationLarge-scale vaccinationDistribution of genotypesRotavirus gastroenteritisVaccine effectivenessHomotypic strainHospitalization dataPredominant rotavirusStrain replacementVaccinationVaccineImmunityInfectionViral populationsPopulationGastroenteritisYearsIncidenceRotavirus
2011
Modeling rotavirus strain dynamics in developed countries to understand the potential impact of vaccination on genotype distributions
Pitzer VE, Patel MM, Lopman BA, Viboud C, Parashar UD, Grenfell BT. Modeling rotavirus strain dynamics in developed countries to understand the potential impact of vaccination on genotype distributions. Proceedings Of The National Academy Of Sciences Of The United States Of America 2011, 108: 19353-19358. PMID: 22084114, PMCID: PMC3228484, DOI: 10.1073/pnas.1110507108.Peer-Reviewed Original ResearchConceptsHeterotypic immunityCommon rotavirus genotypesPredominance of G1Impact of vaccinationVaccine-type strainsDistribution of genotypesPrevaccination levelsRotavirus incidenceRotavirus genotypesVaccinationGenotype distributionImmunityGenotype patternsRelative prevalenceVaccineIncidenceStrong immunityFrequency of cyclingDisease incidenceGenotypesStrong protectionNew strainG1HomotypicPrevalence