2021
Hospital-acquired influenza in the United States, FluSurv-NET, 2011–2012 through 2018–2019
Cummings C, O’Halloran A, Azenkot T, Reingold A, Alden N, Meek J, Anderson E, Ryan P, Kim S, McMahon M, McMullen C, Spina N, Bennett N, Billing L, Thomas A, Schaffner W, Talbot H, George A, Reed C, Garg S. Hospital-acquired influenza in the United States, FluSurv-NET, 2011–2012 through 2018–2019. Infection Control And Hospital Epidemiology 2021, 43: 1447-1453. PMID: 34607624, DOI: 10.1017/ice.2021.392.Peer-Reviewed Original ResearchConceptsHospital-acquired influenzaInfluenza-associated hospitalizationsHA influenzaHospital infection control measuresInfluenza Hospitalization Surveillance NetworkFacility-based testingPositive test dateRespiratory symptom onsetAnnual influenza vaccinationHA casesInfection control measuresSymptom onset dateCross-sectional studyYears of agePopulation-based ratesInfluenza vaccinationClinical characteristicsICU careSymptom onsetInfluenza vaccineMechanical ventilationSevere outcomesPatient outcomesInfluenza casesHospitalization
2016
Increased Antiviral Treatment Among Hospitalized Children and Adults With Laboratory-Confirmed Influenza, 2010–2015
Appiah GD, Chaves SS, Kirley PD, Miller L, Meek J, Anderson E, Oni O, Ryan P, Eckel S, Lynfield R, Bargsten M, Zansky SM, Bennett N, Lung K, McDonald-Hamm C, Thomas A, Brady D, Lindegren ML, Schaffner W, Hill M, Garg S, Fry AM, Campbell AP. Increased Antiviral Treatment Among Hospitalized Children and Adults With Laboratory-Confirmed Influenza, 2010–2015. Clinical Infectious Diseases 2016, 64: 364-367. PMID: 28013261, PMCID: PMC5480237, DOI: 10.1093/cid/ciw745.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAntiviral AgentsChildChild, PreschoolCohort StudiesFemaleHumansInfantInfant, NewbornInfluenza A Virus, H1N1 SubtypeInfluenza, HumanLength of StayLongitudinal StudiesMaleMiddle AgedOseltamivirPandemicsProspective StudiesRetrospective StudiesSeasonsUnited StatesYoung Adult
2015
Pneumonia among adults hospitalized with laboratory-confirmed seasonal influenza virus infection—United States, 2005–2008
Garg S, Jain S, Dawood FS, Jhung M, Pérez A, D’Mello T, Reingold A, Gershman K, Meek J, Arnold KE, Farley MM, Ryan P, Lynfield R, Morin C, Baumbach J, Hancock EB, Zansky S, Bennett N, Thomas A, Schaffner W, Finelli L. Pneumonia among adults hospitalized with laboratory-confirmed seasonal influenza virus infection—United States, 2005–2008. BMC Infectious Diseases 2015, 15: 369. PMID: 26307108, PMCID: PMC4550040, DOI: 10.1186/s12879-015-1004-y.Peer-Reviewed Original ResearchConceptsIntensive care unit admissionSeasonal influenza virus infectionICD-9-CM codesCertain underlying conditionsEmerging Infections ProgramCare unit admissionLaboratory-confirmed influenzaInfluenza virus infectionCause of deathCXR infiltrateUnit admissionICU admissionOlder patientsMechanical ventilationMultivariable analysisUnderlying conditionInfections ProgramChest radiographsVirus infectionPneumoniaSummary diagnosisInfectious diseasesInfluenzaPatientsAdultsDoes Influenza Vaccination Modify Influenza Severity? Data on Older Adults Hospitalized With Influenza During the 2012−2013 Season in the United States
Arriola C, Anderson E, Baumbach J, Bennett N, Bohm S, Hill M, Lindegren M, Lung K, Meek J, Mermel E, Miller L, Monroe M, Morin C, Oni O, Reingold A, Schaffner W, Thomas A, Zansky S, Finelli L, Chaves S. Does Influenza Vaccination Modify Influenza Severity? Data on Older Adults Hospitalized With Influenza During the 2012−2013 Season in the United States. The Journal Of Infectious Diseases 2015, 212: 1200-1208. PMID: 25821227, PMCID: PMC4683374, DOI: 10.1093/infdis/jiv200.Peer-Reviewed Original ResearchConceptsInfluenza vaccinationInfluenza severityDisease severityIntensive care unit admissionMultivariable logistic regression modelSevere influenza outcomesCare unit admissionLaboratory-confirmed influenzaMultivariable logistic regressionDiagnosis of pneumoniaLogistic regression modelsUnit admissionICU lengthVaccine effectivenessInfluenza seasonParametric survival modelsInfluenza outcomesVaccinated personsVaccinationPropensity scoreLogistic regressionOlder adultsPredominant strainSeverityInfluenza
2013
Complications and Associated Bacterial Coinfections Among Children Hospitalized With Seasonal or Pandemic Influenza, United States, 2003–2010
Dawood F, Chaves S, Pérez A, Reingold A, Meek J, Farley M, Ryan P, Lynfield R, Morin C, Baumbach J, Bennett N, Zansky S, Thomas A, Lindegren M, Schaffner W, Finelli L, Network F. Complications and Associated Bacterial Coinfections Among Children Hospitalized With Seasonal or Pandemic Influenza, United States, 2003–2010. The Journal Of Infectious Diseases 2013, 209: 686-694. PMID: 23986545, DOI: 10.1093/infdis/jit473.Peer-Reviewed Original ResearchConceptsIntensive carePandemic influenzaLaboratory-confirmed influenza hospitalizationsBacteremia/sepsisInfluenza-associated complicationsIntensive care requirementAcute renal failurePopulation-based surveillanceSeverity of complicationsMedian hospitalization durationNinth Revision codesInfluenza hospitalizationsAsthma exacerbationsHospitalization durationInfluenza vaccinationRespiratory failureCommon complicationRenal failureBacterial coinfectionProlonged hospitalizationMedian lengthPrimary preventionRevision codesSeasonal influenzaHospitalized children
2011
Children With Asthma Hospitalized With Seasonal or Pandemic Influenza, 2003–2009
Dawood F, Kamimoto L, D'Mello T, Reingold A, Gershman K, Meek J, Arnold K, Farley M, Ryan P, Lynfield R, Morin C, Baumbach J, Zansky S, Bennett N, Thomas A, Schaffner W, Kirschke D, Finelli L. Children With Asthma Hospitalized With Seasonal or Pandemic Influenza, 2003–2009. Pediatrics 2011, 128: e27-e32. PMID: 21646257, DOI: 10.1542/peds.2010-3343.Peer-Reviewed Original ResearchConceptsPandemic H1N1 influenzaAdditional medical conditionsAsthmatic childrenClinical courseInfluenza seasonH1N1 influenzaMedical conditionsLaboratory-confirmed influenzaAsthma exacerbationsRespiratory failureAsthma severityMedian ageInfluenza BInfluenza preventionIntensive careSeasonal influenzaMedical historyMedical recordsInfluenza AInfluenza typeAsthmaInfluenzaCare occurSubstantial proportionComplicationsSeasonal and 2009 pandemic influenza A (H1N1) virus infection during pregnancy: a population-based study of hospitalized cases
Creanga A, Kamimoto L, Newsome K, D'Mello T, Jamieson D, Zotti M, Arnold K, Baumbach J, Bennett N, Farley M, Gershman K, Kirschke D, Lynfield R, Meek J, Morin C, Reingold A, Ryan P, Schaffner W, Thomas A, Zansky S, Finelli L, Honein M. Seasonal and 2009 pandemic influenza A (H1N1) virus infection during pregnancy: a population-based study of hospitalized cases. American Journal Of Obstetrics And Gynecology 2011, 204: s38-s45. PMID: 21507375, DOI: 10.1016/j.ajog.2011.02.037.Peer-Reviewed Original ResearchConceptsReproductive-aged womenPandemic influenza A (H1N1) virus infectionInfluenza A Virus InfectionA virus infectionPregnant womenPandemic influenzaVirus infectionExact testEmerging Infections ProgramPandemic influenza casesUnderlying medical conditionsPopulation-based studyPopulation-based dataFisher's exact testInfluenza vaccinationNonpregnant womenAntiviral treatmentSeasonal influenzaInfections ProgramInfluenza casesMedical conditionsPregnancyWomenInfluenzaSignificant proportion
2010
Burden of Seasonal Influenza Hospitalization in Children, United States, 2003 to 2008
Dawood FS, Fiore A, Kamimoto L, Bramley A, Reingold A, Gershman K, Meek J, Hadler J, Arnold KE, Ryan P, Lynfield R, Morin C, Mueller M, Baumbach J, Zansky S, Bennett NM, Thomas A, Schaffner W, Kirschke D, Finelli L, Network E. Burden of Seasonal Influenza Hospitalization in Children, United States, 2003 to 2008. The Journal Of Pediatrics 2010, 157: 808-814. PMID: 20580018, DOI: 10.1016/j.jpeds.2010.05.012.Peer-Reviewed Original ResearchConceptsSevere outcomesInfluenza hospitalizationsHospitalization ratesHospitalized childrenEmerging Infections Program NetworkIntensive care unit admissionInfections Program NetworkSeasonal influenza hospitalizationsCare unit admissionLaboratory-confirmed influenzaPopulation-based surveillanceUnderlying medical conditionsHigher hospitalization ratesRate of hospitalizationProportion of childrenRapid diagnostic testsUnit admissionRespiratory failureBacterial coinfectionClinical courseHospital recordsSeasonal influenzaMedical historyDisease burdenIncidence rate