2022
COVID-19-Associated Hospitalizations Among Vaccinated and Unvaccinated Adults 18 Years or Older in 13 US States, January 2021 to April 2022
Havers F, Pham H, Taylor C, Whitaker M, Patel K, Anglin O, Kambhampati A, Milucky J, Zell E, Moline H, Chai S, Kirley P, Alden N, Armistead I, Yousey-Hindes K, Meek J, Openo K, Anderson E, Reeg L, Kohrman A, Lynfield R, Como-Sabetti K, Davis E, Cline C, Muse A, Barney G, Bushey S, Felsen C, Billing L, Shiltz E, Sutton M, Abdullah N, Talbot H, Schaffner W, Hill M, George A, Hall A, Bialek S, Murthy N, Murthy B, McMorrow M. COVID-19-Associated Hospitalizations Among Vaccinated and Unvaccinated Adults 18 Years or Older in 13 US States, January 2021 to April 2022. JAMA Internal Medicine 2022, 182: 1071-1081. PMID: 36074486, PMCID: PMC9459904, DOI: 10.1001/jamainternmed.2022.4299.Peer-Reviewed Original ResearchConceptsCOVID-19-associated hospitalizationUnderlying medical conditionsHospitalization ratesUnvaccinated personsVaccinated personsBooster doseMedical conditionsLaboratory-confirmed COVID-19-associated hospitalizationsLaboratory-confirmed SARS-CoV-2 infectionLong-term care facility residentsPositive SARS-CoV-2 test resultCOVID-19 Associated HospitalizationsDetailed medical record reviewImmunization information system dataSARS-CoV-2 test resultsCOVID-19-Associated Hospitalization Surveillance NetworkSARS-CoV-2 infectionCOVID-19Patients 18 yearsMedical record reviewCare facility residentsVaccination coverage dataAdults 18 yearsCross-sectional studyPublic health effortsComparison of Influenza and Coronavirus Disease 2019–Associated Hospitalizations Among Children Younger Than 18 Years Old in the United States: FluSurv-NET (October–April 2017–2021) and COVID-NET (October 2020–September 2021)
Delahoy MJ, Ujamaa D, Taylor CA, Cummings C, Anglin O, Holstein R, Milucky J, O’Halloran A, Patel K, Pham H, Whitaker M, Reingold A, Chai SJ, Alden NB, Kawasaki B, Meek J, Yousey-Hindes K, Anderson EJ, Openo KP, Weigel A, Teno K, Reeg L, Leegwater L, Lynfield R, McMahon M, Ropp S, Rudin D, Muse A, Spina N, Bennett NM, Popham K, Billing LM, Shiltz E, Sutton M, Thomas A, Schaffner W, Talbot HK, Crossland MT, McCaffrey K, Hall AJ, Burns E, McMorrow M, Reed C, Havers FP, Garg S. Comparison of Influenza and Coronavirus Disease 2019–Associated Hospitalizations Among Children Younger Than 18 Years Old in the United States: FluSurv-NET (October–April 2017–2021) and COVID-NET (October 2020–September 2021). Clinical Infectious Diseases 2022, 76: e450-e459. PMID: 35594564, PMCID: PMC9129156, DOI: 10.1093/cid/ciac388.Peer-Reviewed Original ResearchConceptsCOVID-19-associated hospitalizationInfluenza-associated hospitalization ratesHospitalization ratesIntensive care unit admissionPopulation-based surveillance systemCOVID-19COVID-19 pandemicCare unit admissionInfluenza-associated hospitalizationsComparison of influenzaSARS-CoV-2FluSurv-NETICU admissionUnit admissionHospital outcomesInfluenza seasonRespiratory virusesPediatric deathsPediatric hospitalizationsRespiratory illnessSevere outcomesOngoing COVID-19 pandemicAdolescents 12HospitalizationChildren 5
2021
Census tract socioeconomic indicators and COVID-19-associated hospitalization rates—COVID-NET surveillance areas in 14 states, March 1–April 30, 2020
Wortham JM, Meador SA, Hadler JL, Yousey-Hindes K, See I, Whitaker M, O’Halloran A, Milucky J, Chai SJ, Reingold A, Alden NB, Kawasaki B, Anderson EJ, Openo KP, Weigel A, Monroe ML, Ryan PA, Kim S, Reeg L, Lynfield R, McMahon M, Sosin DM, Eisenberg N, Rowe A, Barney G, Bennett NM, Bushey S, Billing LM, Shiltz J, Sutton M, West N, Talbot HK, Schaffner W, McCaffrey K, Spencer M, Kambhampati AK, Anglin O, Piasecki AM, Holstein R, Hall AJ, Fry AM, Garg S, Kim L. Census tract socioeconomic indicators and COVID-19-associated hospitalization rates—COVID-NET surveillance areas in 14 states, March 1–April 30, 2020. PLOS ONE 2021, 16: e0257622. PMID: 34559838, PMCID: PMC8462704, DOI: 10.1371/journal.pone.0257622.Peer-Reviewed Original ResearchConceptsCOVID-19-associated hospitalizationHigh-poverty census tractsHospitalization ratesFederal poverty levelNon-Hispanic black personsNon-Hispanic white personsHispanic personsAge-adjusted hospitalization ratesPopulation-based surveillanceLow-poverty census tractsCensus tractsPublic health practiceRates of Influenza-Associated Hospitalization, Intensive Care Unit Admission, and In-Hospital Death by Race and Ethnicity in the United States From 2009 to 2019
O’Halloran A, Holstein R, Cummings C, Kirley P, Alden NB, Yousey-Hindes K, Anderson EJ, Ryan P, Kim S, Lynfield R, McMullen C, Bennett NM, Spina N, Billing LM, Sutton M, Schaffner W, Talbot HK, Price A, Fry AM, Reed C, Garg S. Rates of Influenza-Associated Hospitalization, Intensive Care Unit Admission, and In-Hospital Death by Race and Ethnicity in the United States From 2009 to 2019. JAMA Network Open 2021, 4: e2121880. PMID: 34427679, PMCID: PMC8385599, DOI: 10.1001/jamanetworkopen.2021.21880.Peer-Reviewed Original ResearchConceptsInfluenza-associated hospitalizationsIntensive care unit admissionCare unit admissionCross-sectional studyHospitalization ratesPacific Islander childrenHospital deathICU admissionUnit admissionInfluenza seasonMAIN OUTCOMELaboratory-confirmed influenza-associated hospitalizationsAge groupsAge-adjusted hospitalization ratesHospital death rateICU admission rateInfluenza-associated diseaseInfluenza-associated outcomesIn-Hospital DeathSevere influenza diseaseHispanic childrenPopulation-based surveillanceWhite personsAlaska NativesAge-stratified rates
2020
Risk Factors for Coronavirus Disease 2019 (COVID-19)–Associated Hospitalization: COVID-19–Associated Hospitalization Surveillance Network and Behavioral Risk Factor Surveillance System
Ko JY, Danielson ML, Town M, Derado G, Greenlund KJ, Kirley PD, Alden NB, Yousey-Hindes K, Anderson EJ, Ryan PA, Kim S, Lynfield R, Torres SM, Barney GR, Bennett NM, Sutton M, Talbot HK, Hill M, Hall AJ, Fry AM, Garg S, Kim L, Whitaker M, O’Halloran A, Holstein R, Garvin W, Chai S, Kawasaki B, Meek J, Openo K, Monroe M, Henderson J, Como-Sabetti K, Davis S, Spina N, Felsen C, West N, Schaffner W, George A. Risk Factors for Coronavirus Disease 2019 (COVID-19)–Associated Hospitalization: COVID-19–Associated Hospitalization Surveillance Network and Behavioral Risk Factor Surveillance System. Clinical Infectious Diseases 2020, 72: e695-e703. PMID: 32945846, PMCID: PMC7543371, DOI: 10.1093/cid/ciaa1419.Peer-Reviewed Original ResearchConceptsCOVID-19-Associated Hospitalization Surveillance NetworkCOVID-19-associated hospitalizationChronic kidney diseaseHospitalization ratesRace/ethnicitySevere obesityKidney diseaseRisk factorsMedical conditionsLaboratory-confirmed COVID-19Chronic obstructive pulmonary diseaseBehavioral Risk Factor Surveillance SystemRisk Factor Surveillance SystemHigher hospitalization riskRace/ethnicity strataHistory of strokeObstructive pulmonary diseaseUnderlying medical conditionsCoronary artery diseaseHigher hospitalization ratesCommunity-dwelling adultsCoronavirus disease 2019Surveillance networkPoisson regression modelsSurveillance systemHospitalization Rates and Characteristics of Patients Hospitalized with Laboratory-Confirmed Coronavirus Disease 2019 — COVID-NET, 14 States, March 1–30, 2020
Garg S, Kim L, Whitaker M, O’Halloran A, Cummings C, Holstein R, Prill M, Chai SJ, Kirley PD, Alden NB, Kawasaki B, Yousey-Hindes K, Niccolai L, Anderson EJ, Openo KP, Weigel A, Monroe ML, Ryan P, Henderson J, Kim S, Como-Sabetti K, Lynfield R, Sosin D, Torres S, Muse A, Bennett NM, Billing L, Sutton M, West N, Schaffner W, Talbot HK, Aquino C, George A, Budd A, Brammer L, Langley G, Hall AJ, Fry A. Hospitalization Rates and Characteristics of Patients Hospitalized with Laboratory-Confirmed Coronavirus Disease 2019 — COVID-NET, 14 States, March 1–30, 2020. MMWR Morbidity And Mortality Weekly Report 2020, 69: 458-464. PMID: 32298251, PMCID: PMC7755063, DOI: 10.15585/mmwr.mm6915e3.Peer-Reviewed Original ResearchCOVID-19-Associated Hospitalization Surveillance NetworkCOVID-19-associated hospitalizationUnderlying medical conditionsHospitalization ratesMedical conditionsOlder adultsLaboratory-confirmed COVID-19-associated hospitalizationsCOVID-19Influenza Hospitalization Surveillance NetworkSerious underlying medical conditionsHealth care system resourcesSurveillance networkCharacteristics of patientsChronic lung diseasePopulation-based surveillanceCoronavirus disease 2019SARS-CoV-2Majority of personsAdult patientsClinical characteristicsDiabetes mellitusClinical spectrumLung diseaseUnderlying conditionCardiovascular disease
2019
LB19. Patterns of Influenza A Hospitalizations by Subtype and Age in the United States, FluSurv-NET, 2018–2019
Garg S, O’Halloran A, O’Halloran A, Cummings C, Cummings C, Holstein R, Kniss K, Anderson E, Anderson E, Bennett N, Bennett N, Billing L, Billing L, Herlihy R, Hill M, Irizarry L, Irizarry L, Kim S, Kim S, Kirley P, Lynfield R, Lynfield R, Monroe M, Monroe M, Spina N, Talbot K, Talbot K, Thomas A, Thomas A, Yousey-Hindes K, Budd A, Brammer L, Reed C, Reed C. LB19. Patterns of Influenza A Hospitalizations by Subtype and Age in the United States, FluSurv-NET, 2018–2019. Open Forum Infectious Diseases 2019, 6: s1001-s1002. PMCID: PMC6810298, DOI: 10.1093/ofid/ofz415.2502.Peer-Reviewed Original ResearchProportion of casesAge groupsFluSurv-NETHospitalization ratesVirologic surveillanceInfluenza Hospitalization Surveillance NetworkUS Public Health LaboratoriesCumulative hospitalization rateDistribution of influenzaInfluenza hospitalization ratesLaboratory-confirmed influenzaYears of agePublic health laboratoriesInfluenza resultsH1N1pdm09 virusInfluenza vaccinationHospital admissionInfluenza seasonAge-related differencesInfluenza ASubtype distributionHospitalizationSanofi PasteurUnknown subtypeH1 virusesAge-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
2014
Impact of requiring influenza vaccination for children in licensed child care or preschool programs--Connecticut, 2012-13 influenza season.
Hadler JL, Yousey-Hindes K, Kudish K, Kennedy ED, Sacco V, Cartter ML. Impact of requiring influenza vaccination for children in licensed child care or preschool programs--Connecticut, 2012-13 influenza season. MMWR Morbidity And Mortality Weekly Report 2014, 63: 181-5. PMID: 24598593, PMCID: PMC4584725.Peer-Reviewed Original ResearchConceptsInfluenza-associated hospitalization ratesEmerging Infections ProgramInfluenza seasonHospitalization ratesVaccination ratesInfluenza transmissionSevere influenza-related illnessInfluenza-related illnessInfluenza-associated hospitalizationsLicensed child care programsOverall population rateGreater percentage decreaseCare admissionInfluenza vaccinationInfluenza vaccineSerious morbiditySusceptible childrenVaccination levelsInfections ProgramVaccination dataCare settingsEIP sitesCare programConnecticut childrenSurveillance sites
2012
Increase in Rates of Hospitalization Due to Laboratory-Confirmed Influenza Among Children and Adults During the 2009–10 Influenza Pandemic
Cox CM, D'Mello T, Perez A, Reingold A, Gershman K, Yousey-Hindes K, Arnold KE, Farley MM, Ryan P, Lynfield R, Morin C, Baumbach J, Hancock EB, Zansky S, Bennett NM, Thomas A, Schaffner W, Finelli L, Network F. Increase in Rates of Hospitalization Due to Laboratory-Confirmed Influenza Among Children and Adults During the 2009–10 Influenza Pandemic. The Journal Of Infectious Diseases 2012, 206: 1350-1358. PMID: 23002448, DOI: 10.1093/infdis/jis517.Peer-Reviewed Original ResearchConceptsLaboratory-confirmed influenzaPrevious influenza seasonRate of hospitalizationInfluenza seasonEmerging Infections Program NetworkInfections Program NetworkPopulation-based surveillancePandemic of influenzaAdult age groupsUS Census Bureau dataMean rateH1N1 infectionHospitalization DueHospitalization ratesIncidence rateInfluenza pandemicAge groupsHospitalizationInfluenzaMonthsCensus Bureau dataSurveillanceAdultsEpisodesChildren