2025
Unraveling the role of viral interference in disrupting biennial RSV epidemics in northern Stockholm
Li K, Hamrin J, Nilsson A, Weinberger D, Pitzer V. Unraveling the role of viral interference in disrupting biennial RSV epidemics in northern Stockholm. Nature Communications 2025, 16: 8137. PMID: 40885786, PMCID: PMC12398580, DOI: 10.1038/s41467-025-63654-1.Peer-Reviewed Original ResearchConceptsRespiratory syncytial virusRespiratory syncytial virus activityViral interferenceH1N1 pandemic influenza virusPandemic H1N1 virusPandemic influenza virusNorthern StockholmBiennial patternH1N1 virusInfluenza virusIn vivo studiesRespiratory virusesSyncytial virusInfluenza pandemicRSV epidemicsBirth rateInfluenzaPublic health interventionsWinter outbreaksVirusAdmission dataH1N1InfantsOlder adultsHealth interventionsHow well do disease-specific studies and WHO-CHOICE cost estimates align? Example of estimating cost per episode of diarrhoea and respiratory syncytial virus in 128 low-income and middle-income countries
Li X, Bilcke J, Asare E, Wenger C, Kwon J, Bont L, Beutels P, Pitzer V. How well do disease-specific studies and WHO-CHOICE cost estimates align? Example of estimating cost per episode of diarrhoea and respiratory syncytial virus in 128 low-income and middle-income countries. BMJ Global Health 2025, 10: e016784. PMID: 40850784, PMCID: PMC12382583, DOI: 10.1136/bmjgh-2024-016784.Peer-Reviewed Original ResearchConceptsRespiratory syncytial virusRSV-related diseaseWHO-CHOICE estimatesEpisodes of diarrheaLower middle-incomeWHO-CHOICELow-incomeUpper middle-incomeSyncytial virusRSV studiesInpatient costsMiddle-incomeDiarrhoeal diseaseEconomic evaluationCost studiesMiddle-income countriesDisease-specific diagnosisRSV-specificDisease-specific costsCost-effectiveness studiesDisease-specific studiesOutpatient costsEmpirical studiesDiarrheaCountry-specific dataExploring RSV Transmission Patterns in Different Age Groups in the United States
Li K, Pitzer V, Weinberger D. Exploring RSV Transmission Patterns in Different Age Groups in the United States. The Journal Of Infectious Diseases 2025, 232: 700-708. PMID: 40308004, PMCID: PMC12455310, DOI: 10.1093/infdis/jiaf230.Peer-Reviewed Original ResearchThe Role of Viral Interference in Shaping RSV Epidemics Following the 2009 H1N1 Influenza Pandemic
Li K, Thindwa D, Weinberger D, Pitzer V. The Role of Viral Interference in Shaping RSV Epidemics Following the 2009 H1N1 Influenza Pandemic. Influenza And Other Respiratory Viruses 2025, 19: e70111. PMID: 40275825, PMCID: PMC12022500, DOI: 10.1111/irv.70111.Peer-Reviewed Original ResearchConceptsRespiratory syncytial virusRespiratory syncytial virus activityRespiratory syncytial virus epidemicsInfluenza pandemicViral interferenceLaboratory-confirmed RSV casesRSV epidemicsDecreased RSV infectionH1N1 influenza pandemicRSV infectionRSV seasonRSV casesSyncytial virusPandemic influenzaInfluenzaRSV activityCo-InfectionSurveillance dataEpidemicUnited StatesUS regionsH1N1Relating In Vivo Respiratory Syncytial Virus Infection Kinetics to Host Infectiousness in Different Age Groups
Li K, Bont L, Weinberger D, Pitzer V. Relating In Vivo Respiratory Syncytial Virus Infection Kinetics to Host Infectiousness in Different Age Groups. The Journal Of Infectious Diseases 2025, 232: 691-699. PMID: 40085821, DOI: 10.1093/infdis/jiaf138.Peer-Reviewed Original ResearchRespiratory syncytial virusViral kineticsAge groupsHigher peak viral loadRespiratory syncytial virus infectionPeak viral loadRespiratory syncytial virus transmissionHousehold transmission studyAge-specific considerationsViral loadSyncytial virusPediatric populationViral infectionPublic health concernSecondary attack rateProcess of viral infectionEstimated Effectiveness of Nirsevimab Against Respiratory Syncytial Virus
Xu H, Aparicio C, Wats A, Araujo B, Pitzer V, Warren J, Shapiro E, Niccolai L, Weinberger D, Oliveira C. Estimated Effectiveness of Nirsevimab Against Respiratory Syncytial Virus. JAMA Network Open 2025, 8: e250380. PMID: 40063022, PMCID: PMC11894488, DOI: 10.1001/jamanetworkopen.2025.0380.Peer-Reviewed Original ResearchConceptsRSV-positive casesCase-control studyRSV infectionLRTI-associated hospitalizationsWeeks postimmunizationLong-acting monoclonal antibodiesTest-negative case-control studyClinical settingRespiratory syncytial virusMultivariate logistic regressionYale New Haven Health SystemRSV diseaseEmergency department dataState immunization registryRSV seasonSyncytial virusNirsevimabPolymerase chain reactionClinical trialsLRTIInfantsPotential confoundersMonoclonal antibodiesBroader outcomesDisease severity
2024
Global patterns of rebound to normal RSV dynamics following COVID-19 suppression
Thindwa D, Li K, Cooper-Wootton D, Zheng Z, Pitzer V, Weinberger D. Global patterns of rebound to normal RSV dynamics following COVID-19 suppression. BMC Infectious Diseases 2024, 24: 635. PMID: 38918718, PMCID: PMC11201371, DOI: 10.1186/s12879-024-09509-4.Peer-Reviewed Original ResearchWorkshop on the design and use of clinical trials with multiple endpoints, with a focus on prevention of RSV
Prunas O, Willemsen J, Warren J, Bont L, Schwartz J, Atwell J, Begier E, Dean N, Hirsch I, Karron R, Klugman K, Kramer R, Leidman E, Link-Gelles R, Nair H, Panozzo C, Pelfrene E, Simões E, Smith P, Srikantiah P, Sundaram M, Thindwa D, Vaughn D, Wilson E, Zar H, Pitzer V, Weinberger D. Workshop on the design and use of clinical trials with multiple endpoints, with a focus on prevention of RSV. Vaccine X 2024, 19: 100509. PMID: 40874090, PMCID: PMC11913657, DOI: 10.1016/j.jvacx.2024.100509.Peer-Reviewed Original ResearchRespiratory syncytial virusRandomized Controlled TrialsPreventive therapyPrevention of respiratory syncytial virusTrial designSuccess of randomized controlled trialsVaccine trial designDesign randomized controlled trialClinical trial designEstimates of vaccine efficacyPrimary endpointSyncytial virusClinical trialsVaccine efficacyControlled TrialsMeta-regression modelsSelection of primary endpointsEndpointSequential trial designTherapyMultiple endpoints
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