2024
The burden of all-cause mortality following influenza-associated hospitalizations, FluSurv-NET, 2010-2019
O’Halloran A, Millman A, Holstein R, Olsen S, Cummings C, Chai S, Kirley P, Alden N, Yousey-Hindes K, Meek J, Openo K, Fawcett E, Ryan P, Leegwater L, Henderson J, McMahon M, Lynfield R, Angeles K, Bleecker M, McGuire S, Spina N, Tesini B, Gaitan M, Lung K, Shiltz E, Thomas A, Talbott H, Schaffner W, Hill M, Reed C, Garg S. The burden of all-cause mortality following influenza-associated hospitalizations, FluSurv-NET, 2010-2019. Clinical Infectious Diseases 2024, ciae547. PMID: 39495002, DOI: 10.1093/cid/ciae547.Peer-Reviewed Original ResearchInfluenza-associated hospitalizationsInfluenza-associated deathsIn-hospitalInfluenza Hospitalization Surveillance NetworkClinical characteristics of patientsHospital dischargeLaboratory-confirmed influenzaImpact of influenzaCharacteristics of patientsAll-cause mortalityMedical conditionsDied in-hospitalFluSurv-NETInfluenza hospitalizationsPost-discharge outcomesClinical characteristicsDeath certificatesOlder patientsPost-dischargeMedian daysPost-discharge deathsInfluenzaPatientsDays post-dischargeCardiovascular disease
2022
Vital Signs: Influenza Hospitalizations and Vaccination Coverage by Race and Ethnicity—United States, 2009–10 Through 2021–22 Influenza Seasons
Black C, O’Halloran A, Hung M, Srivastav A, Lu P, Garg S, Jhung M, Fry A, Jatlaoui T, Davenport E, Burns E, Network I, Network I, Reingold A, Alden N, Yousey-Hindes K, Anderson E, Ryan P, Kim S, McMahon M, Bleecker M, Spina N, Bennett N, Lung K, Sutton M, Schaffner W, Talbot H, Crossland M, Reed C, Holstein R, Ujamaa D, Cummings C. Vital Signs: Influenza Hospitalizations and Vaccination Coverage by Race and Ethnicity—United States, 2009–10 Through 2021–22 Influenza Seasons. MMWR Morbidity And Mortality Weekly Report 2022, 71: 1366-1373. PMID: 36302226, PMCID: PMC9620569, DOI: 10.15585/mmwr.mm7143e1.Peer-Reviewed Original ResearchConceptsInfluenza vaccination coverageBehavioral Risk Factor Surveillance SystemVaccination coverageHealth care providersInfluenza seasonInfluenza hospitalizationsInfluenza vaccinationAsian adultsCare providersHispanic adultsLaboratory-confirmed influenza-associated hospitalizationsDisease severityLow influenza vaccination coverageNon-Hispanic Asian adultsPersonal health care providerHealth care access barriersNon-Hispanic white personsRisk Factor Surveillance SystemInfluenza disease severityInfluenza hospitalization ratesPatient vaccination statusInfluenza-associated hospitalizationsPopulation-based surveillanceRoutine medical checkupVaccination coverage data
2019
Age-Related Differences in Hospitalization Rates, Clinical Presentation, and Outcomes Among Older Adults Hospitalized With Influenza—U.S. Influenza Hospitalization Surveillance Network (FluSurv-NET)
Czaja CA, Miller L, Alden N, Wald HL, Cummings CN, Rolfes MA, Anderson EJ, Bennett NM, Billing LM, Chai SJ, Eckel S, Mansmann R, McMahon M, Monroe ML, Muse A, Risk I, Schaffner W, Thomas AR, Yousey-Hindes K, Garg S, Herlihy RK. Age-Related Differences in Hospitalization Rates, Clinical Presentation, and Outcomes Among Older Adults Hospitalized With Influenza—U.S. Influenza Hospitalization Surveillance Network (FluSurv-NET). Open Forum Infectious Diseases 2019, 6: ofz225. PMID: 31363771, PMCID: PMC6602897, DOI: 10.1093/ofid/ofz225.Peer-Reviewed Original ResearchLaboratory-confirmed influenzaInfluenza hospitalizationsAge-related differencesHospitalization ratesInfluenza seasonClinical presentationInfluenza Hospitalization Surveillance NetworkInfluenza-associated hospitalization ratesOlder adultsHospital deathHospitalized patientsMedical historyHigher oddsAge strataPatientsAge groupsHospitalizationTreatment effortsAdultsPopulation ratesSurveillance networkInfluenzaPresentationStepwise increaseAge
2017
Social determinants of influenza hospitalization in the United States
Chandrasekhar R, Sloan C, Mitchel E, Ndi D, Alden N, Thomas A, Bennett NM, Kirley PD, Hill M, Anderson EJ, Lynfield R, Yousey‐Hindes K, Bargsten M, Zansky SM, Lung K, Schroeder M, Monroe M, Eckel S, Markus TM, Cummings CN, Garg S, Schaffner W, Lindegren ML. Social determinants of influenza hospitalization in the United States. Influenza And Other Respiratory Viruses 2017, 11: 479-488. PMID: 28872776, PMCID: PMC5720587, DOI: 10.1111/irv.12483.Peer-Reviewed Original ResearchConceptsAdjusted odds ratioInfluenza hospitalizationsLaboratory-confirmed influenza-associated hospitalizationsHigher adjusted odds ratioPopulation-based surveillance systemInfluenza-associated hospitalizationsInfluenza seasonSubstantial morbidityVs 5Odds ratioHospitalizationHousehold crowdingSocial determinantsTractIndividual factorsMultilevel regression modelsSocioeconomic determinantsAfrican AmericansSurveillance systemRegression modelsUnited StatesHispanicsIndividual-level determinantsDeterminantsMorbidity
2014
Influenza‐related hospitalization of adults associated with low census tract socioeconomic status and female sex in New Haven County, Connecticut, 2007‐2011
Tam K, Yousey‐Hindes K, Hadler JL. Influenza‐related hospitalization of adults associated with low census tract socioeconomic status and female sex in New Haven County, Connecticut, 2007‐2011. Influenza And Other Respiratory Viruses 2014, 8: 274-281. PMID: 24382111, PMCID: PMC4181475, DOI: 10.1111/irv.12231.Peer-Reviewed Original ResearchConceptsAge-adjusted incidenceInfluenza seasonNeighborhood socioeconomic statusSocioeconomic statusFemale sexVaccination effortsCensus tract socioeconomic statusFuture influenza vaccination effortsActive population-based surveillanceLower neighborhood socioeconomic statusSES measuresHospitalizations of adultsInfluenza-related hospitalizationsPopulation-based surveillanceInfluenza hospitalizationsInfluenza infectionCostly complicationRelative riskFemale incidenceHigh riskHigh incidenceHospitalizationNew Haven CountyResidential addressesAge groups
2013
Hospital-onset influenza hospitalizations—United States, 2010-2011
Jhung MA, D'Mello T, Pérez A, Aragon D, Bennett NM, Cooper T, Farley MM, Fowler B, Grube SM, Hancock EB, Lynfield R, Morin C, Reingold A, Ryan P, Schaffner W, Sharangpani R, Tengelsen L, Thomas A, Thurston D, Yousey-Hindes K, Zansky S, Finelli L, Chaves SS. Hospital-onset influenza hospitalizations—United States, 2010-2011. American Journal Of Infection Control 2013, 42: 7-11. PMID: 24183534, DOI: 10.1016/j.ajic.2013.06.018.Peer-Reviewed Original ResearchConceptsIntensive care unitChronic medical conditionsCare unitHO casesMedical conditionsLaboratory confirmationInfluenza Hospitalization Surveillance NetworkCommunity-onset casesInfluenza-related hospitalizationsPopulation-based surveillanceInfluenza hospitalizationsHospital admissionInfluenza seasonClinical outcomesMedian lengthInfluenza diagnosisSeasonal influenzaOverall epidemiologyHospitalizationPatientsInfluenzaAdmissionStaySurveillance networkGreater proportion
2011
Neighborhood Socioeconomic Status and Influenza Hospitalizations Among Children: New Haven County, Connecticut, 2003–2010
Yousey-Hindes KM, Hadler JL. Neighborhood Socioeconomic Status and Influenza Hospitalizations Among Children: New Haven County, Connecticut, 2003–2010. American Journal Of Public Health 2011, 101: 1785-1789. PMID: 21778498, PMCID: PMC3154248, DOI: 10.2105/ajph.2011.300224.Peer-Reviewed Original ResearchConceptsInfluenza-associated hospitalizationsPublic Health Disparities Geocoding ProjectNew Haven CountySurveillance dataMean annual incidenceIndividual case characteristicsAge 17 yearsNeighborhood socioeconomic statusInfluenza hospitalizationsInfluenza vaccinationInfluenza seasonAnnual incidenceHospitalization incidenceHospitalizationSocioeconomic status measuresStatus measuresSocioeconomic statusSES dataIncidenceSES measuresOngoing monitoringSES variablesChildrenTractCensus tracts