2023
Failure to Detect Influenza A H1N1 Highlights the Need for Multiple Gene Targets in Influenza Molecular Tests
Landry M, Owen M. Failure to Detect Influenza A H1N1 Highlights the Need for Multiple Gene Targets in Influenza Molecular Tests. Journal Of Clinical Microbiology 2023, 61: e00448-23. PMID: 37338345, PMCID: PMC10358165, DOI: 10.1128/jcm.00448-23.Peer-Reviewed Original Research
2020
Clinical impact of rapid influenza PCR in the adult emergency department on patient management, ED length of stay, and nosocomial infection rate
Peaper DR, Branson B, Parwani V, Ulrich A, Shapiro MJ, Clemons C, Campbell M, Owen M, Martinello RA, Landry ML. Clinical impact of rapid influenza PCR in the adult emergency department on patient management, ED length of stay, and nosocomial infection rate. Influenza And Other Respiratory Viruses 2020, 15: 254-261. PMID: 32851793, PMCID: PMC7902247, DOI: 10.1111/irv.12800.Peer-Reviewed Original ResearchMeSH KeywordsAdultCross InfectionEmergency Service, HospitalHumansInfluenza, HumanLength of StayPolymerase Chain ReactionConceptsEmergency departmentInfluenza PCRPatient managementClinical redesignED lengthInfluenza seasonED workflowPCR testingBed transfersAnti-influenza medicationsDiverse emergency departmentsHospital-acquired influenzaInfluenza-positive patientsHA influenzaNosocomial infection ratesDiagnosis of influenzaAdult emergency departmentAnti-viral therapyCommon presenting concernPost-intervention periodPre-post studyED LOSED patientsSignificant morbidityTherapeutic guidelines
2015
Nanomicroarray and Multiplex Next-Generation Sequencing for Simultaneous Identification and Characterization of Influenza Viruses - Volume 21, Number 3—March 2015 - Emerging Infectious Diseases journal - CDC
Zhao J, Ragupathy V, Liu J, Wang X, Vemula SV, Mubarak H, Ye Z, Landry ML, Hewlett I. Nanomicroarray and Multiplex Next-Generation Sequencing for Simultaneous Identification and Characterization of Influenza Viruses - Volume 21, Number 3—March 2015 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2015, 21: 400-408. PMID: 25694248, PMCID: PMC4344273, DOI: 10.3201/eid2103.141169.Peer-Reviewed Original ResearchConceptsMultiplex next-generation sequencingNext-generation sequencingInfluenza virusInfectious Diseases journal - CDCPotential influenza pandemicFuture epidemiologic studiesPublic health benefitsNew diagnostic algorithmInfluenza infectionB virusInfluenza AInfluenza pandemicEpidemiologic studiesMultiple influenzaLaboratory confirmationDiagnostic algorithmHealth benefitsNGS assaysVirusInfluenzaSubtypesMatrix genesGene segmentsDiagnostic platformConfirmation
2014
A Highly Sensitive Europium Nanoparticle-Based Immunoassay for Detection of Influenza A/B Virus Antigen in Clinical Specimens
Zhang P, Vemula SV, Zhao J, Du B, Mohan H, Liu J, Mubarak H, Landry ML, Hewlett I. A Highly Sensitive Europium Nanoparticle-Based Immunoassay for Detection of Influenza A/B Virus Antigen in Clinical Specimens. Journal Of Clinical Microbiology 2014, 52: 4385-4387. PMID: 25297327, PMCID: PMC4313323, DOI: 10.1128/jcm.02635-14.Peer-Reviewed Original ResearchComparison of Simplexa Flu A/B & RSV PCR with Cytospin-Immunofluorescence and Laboratory-Developed TaqMan PCR in Predominantly Adult Hospitalized Patients
Landry ML, Ferguson D. Comparison of Simplexa Flu A/B & RSV PCR with Cytospin-Immunofluorescence and Laboratory-Developed TaqMan PCR in Predominantly Adult Hospitalized Patients. Journal Of Clinical Microbiology 2014, 52: 3057-3059. PMID: 24850350, PMCID: PMC4136128, DOI: 10.1128/jcm.00738-14.Peer-Reviewed Original ResearchRapid Diagnosis of Influenza State of the Art
Peaper DR, Landry ML. Rapid Diagnosis of Influenza State of the Art. Clinics In Laboratory Medicine 2014, 34: 365-385. PMID: 24856533, PMCID: PMC7172071, DOI: 10.1016/j.cll.2014.02.009.Peer-Reviewed Original Research
2011
Diagnostic tests for influenza infection
Landry ML. Diagnostic tests for influenza infection. Current Opinion In Pediatrics 2011, 23: 91-97. PMID: 21150446, DOI: 10.1097/mop.0b013e328341ebd9.Peer-Reviewed Original ResearchConceptsMolecular testingMultiplex molecular testRapid antigen testInfluenza infectionViral loadAntigen testPatient groupSeasonal influenzaImmunofluorescence testDiagnostic test performanceAntigenic changesNext pandemicRapid cultureDiagnostic testsMolecular testsMarked variabilityNegative resultsSame testDiagnostic methods
2009
Cytospin-Enhanced Immunofluorescence and Impact of Sample Quality on Detection of Novel Swine Origin (H1N1) Influenza Virus
Landry ML, Ferguson D. Cytospin-Enhanced Immunofluorescence and Impact of Sample Quality on Detection of Novel Swine Origin (H1N1) Influenza Virus. Journal Of Clinical Microbiology 2009, 48: 957-959. PMID: 20042632, PMCID: PMC2832425, DOI: 10.1128/jcm.01678-09.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsChildChild, PreschoolClinical Laboratory TechniquesFluorescent Antibody Technique, DirectHumansInfantInfant, NewbornInfluenza A Virus, H1N1 SubtypeInfluenza, HumanNasopharynxReverse Transcriptase Polymerase Chain ReactionSensitivity and SpecificityVirologyYoung AdultConceptsNovel swine-origin influenza virusesSwine-origin influenza virusImmunofluorescence antibody testingReal-time reverse transcriptase PCRCycle threshold valuesPCR-positive resultsPediatric patientsCDC assayAntibody testingNasopharyngeal swabsReverse transcriptase-PCRSwine influenzaInfluenza virusTranscriptase-PCRPositive samplesPatientsPositive resultsInfluenzaSwabsCytospins
2008
Real-time PCR compared to Binax NOW and cytospin-immunofluorescence for detection of influenza in hospitalized patients
Landry ML, Cohen S, Ferguson D. Real-time PCR compared to Binax NOW and cytospin-immunofluorescence for detection of influenza in hospitalized patients. Journal Of Clinical Virology 2008, 43: 148-151. PMID: 18639488, PMCID: PMC7173065, DOI: 10.1016/j.jcv.2008.06.006.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAntibodies, MonoclonalChildChild, PreschoolFluorescent Antibody Technique, DirectHospitalizationHumansImmunoassayInfantInfluenza A virusInfluenza B virusInfluenza, HumanMiddle AgedNasopharynxReagent Kits, DiagnosticReproducibility of ResultsReverse Transcriptase Polymerase Chain ReactionSensitivity and SpecificityTaq PolymeraseTime FactorsVirus CultivationYoung AdultConceptsHospitalized patientsTaqMan RT-PCRRT-PCRInfluenza ARapid flu testsDiagnosis of influenzaInfluenza-positive samplesDetection of influenzaReal-time RT-PCRInfluenza BInfluenza diagnosisPatient managementReal-time PCRMore accurate testsPatientsBinaxTrue positive samplesRapid testClinical samplesPositive samplesFurther studiesHospitalAccurate testInfluenzaDiagnosis
2004
Comparison of Binax NOW and Directigen for rapid detection of influenza A and B
Landry ML, Cohen S, Ferguson D. Comparison of Binax NOW and Directigen for rapid detection of influenza A and B. Journal Of Clinical Virology 2004, 31: 113-115. PMID: 15364266, DOI: 10.1016/j.jcv.2004.04.005.Peer-Reviewed Original Research
2003
Comparison of SmartCycler Real-Time Reverse Transcription-PCR Assay in a Public Health Laboratory with Direct Immunofluorescence and Cell Culture Assays in a Medical Center for Detection of Influenza A Virus
Habib-Bein NF, Beckwith WH, Mayo D, Landry ML. Comparison of SmartCycler Real-Time Reverse Transcription-PCR Assay in a Public Health Laboratory with Direct Immunofluorescence and Cell Culture Assays in a Medical Center for Detection of Influenza A Virus. Journal Of Clinical Microbiology 2003, 41: 3597-3601. PMID: 12904361, PMCID: PMC179819, DOI: 10.1128/jcm.41.8.3597-3601.2003.Peer-Reviewed Original ResearchConceptsVirus-positive specimensDirect immunofluorescence antibody stainingPublic health laboratoriesHealth laboratoriesRT-PCRMedical CenterRapid diagnosisYale-New Haven HospitalReal-time RT-PCRResults of cultureRhesus monkey kidney cell culturesImmunofluorescence antibody stainingReal-time reverse transcriptionInfluenza A virusesMonkey kidney cell culturesConventional RT-PCR analysisReal-time RT-PCR systemRespiratory specimensInfluenza APatient managementDirect immunofluorescenceCell culturesKidney cell culturesRapid turnaround timeA virusSuboptimal Detection of Influenza Virus in Adults by the Directigen Flu A+B Enzyme Immunoassay and Correlation of Results with the Number of Antigen-Positive Cells Detected by Cytospin Immunofluorescence
Landry ML, Ferguson D. Suboptimal Detection of Influenza Virus in Adults by the Directigen Flu A+B Enzyme Immunoassay and Correlation of Results with the Number of Antigen-Positive Cells Detected by Cytospin Immunofluorescence. Journal Of Clinical Microbiology 2003, 41: 3407-3409. PMID: 12843105, PMCID: PMC165325, DOI: 10.1128/jcm.41.7.3407-3409.2003.Peer-Reviewed Original ResearchConceptsVirus infectionEnzyme immunoassayDirectigen FluParainfluenza virus infectionPositive EIA resultsRespiratory syncytial virusAntigen-positive cellsNasopharyngeal swabsSyncytial virusEmergency departmentInfluenza diagnosisDirect immunofluorescenceInfluenza virusVirology laboratoryEIA resultsNight shiftsInfectionInfluenzaImmunofluorescenceFluAdultsVirusCorrelation of resultsImmunoassayCells
2000
Impact of Sample Type on Rapid Detection of Influenza Virus A by Cytospin-Enhanced Immunofluorescence and Membrane Enzyme-Linked Immunosorbent Assay
Landry M, Cohen S, Ferguson D. Impact of Sample Type on Rapid Detection of Influenza Virus A by Cytospin-Enhanced Immunofluorescence and Membrane Enzyme-Linked Immunosorbent Assay. Journal Of Clinical Microbiology 2000, 38: 429-430. PMID: 10618134, PMCID: PMC88742, DOI: 10.1128/jcm.38.1.429-430.2000.Peer-Reviewed Original Research