2022
Rapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons
Chaguza C, Coppi A, Earnest R, Ferguson D, Kerantzas N, Warner F, Young HP, Breban MI, Billig K, Koch RT, Pham K, Kalinich CC, Ott IM, Fauver JR, Hahn AM, Tikhonova IR, Castaldi C, De Kumar B, Pettker CM, Warren JL, Weinberger DM, Landry ML, Peaper DR, Schulz W, Vogels CBF, Grubaugh ND. Rapid emergence of SARS-CoV-2 Omicron variant is associated with an infection advantage over Delta in vaccinated persons. Med 2022, 3: 325-334.e4. PMID: 35399324, PMCID: PMC8983481, DOI: 10.1016/j.medj.2022.03.010.Peer-Reviewed Original ResearchConceptsSpike gene target failureSARS-CoV-2 Omicron variantPositivity rateOmicron variantOmicron infectionVaccine dosesVaccine-induced immunityNumber of dosesTest positivity rateOdds of infectionSARS-CoV-2Significant reductionDominant Delta variantUnvaccinated personsVaccination statusHigher oddsDelta variantInfectionVaccine manufacturersDisease controlVirus copiesDosesPCR testOddsTarget failure
2020
Clinical implications of SARS-CoV-2 cycle threshold values in solid organ transplant recipients
Gaston DC, Malinis M, Osborn R, Peaper DR, Landry M, Juthani-Mehta M, Azar MM. Clinical implications of SARS-CoV-2 cycle threshold values in solid organ transplant recipients. American Journal Of Transplantation 2020, 21: 1304-1311. PMID: 33043603, PMCID: PMC7675520, DOI: 10.1111/ajt.16357.Peer-Reviewed Original ResearchConceptsSolid organ transplant recipientsOrgan transplant recipientsClinical implicationsCycle threshold valuesSOT patientsTransplant recipientsSymptom onsetYale New Haven Health SystemUpper respiratory tract samplesSARS-CoV-2 viral RNASARS-CoV-2 viral dynamicsAdult SOT recipientsRetrospective chart reviewRespiratory tract samplesSARS-CoV-2 cycle threshold valuesInfection prevention measuresCOVID-19 severityViral RNAHigher clinical acuityPrimary diagnostic testRT-PCR assaysSOT recipientsChart reviewViral loadAdmission severity
2009
Rhinoviruses Are a Major Cause of Wheezing and Hospitalization in Children Less Than 2 Years of Age
Piotrowska Z, Vázquez M, Shapiro ED, Weibel C, Ferguson D, Landry ML, Kahn JS. Rhinoviruses Are a Major Cause of Wheezing and Hospitalization in Children Less Than 2 Years of Age. The Pediatric Infectious Disease Journal 2009, 28: 25-29. PMID: 19057454, PMCID: PMC4639321, DOI: 10.1097/inf.0b013e3181861da0.Peer-Reviewed Original ResearchConceptsRespiratory syncytial virusHRV-positive childrenHuman rhinovirusSyncytial virusAge groupsDiagnostic laboratoriesRespiratory tract diseaseMajor respiratory pathogenRate of infectionYears of ageSimilar age groupAsymptomatic childrenRespiratory specimenAsymptomatic groupRespiratory infectionsHRV infectionHospitalization ratesPolymerase chain reactionTract diseaseRespiratory pathogensHRV isolatesMajor causeStudy periodSymptomsInfection
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
2006
Coronavirus HKU1 Infection in the United States
Esper F, Weibel C, Ferguson D, Landry ML, Kahn JS. Coronavirus HKU1 Infection in the United States. Emerging Infectious Diseases 2006, 12: 775-779. PMID: 16704837, PMCID: PMC3374449, DOI: 10.3201/eid1205.051316.Peer-Reviewed Original ResearchConceptsHCoV-HKU1Respiratory specimensLower respiratory tract infectionsLower respiratory tract diseaseHCoV-HKU1 infectionRespiratory tract infectionsRespiratory syncytial virusRespiratory tract diseaseReverse transcription-polymerase chain reactionNew human coronavirusYears of ageTranscription-polymerase chain reactionTract infectionsSyncytial virusPositive childrenParainfluenza virusTract diseaseRespiratory tractHuman coronavirusesPositive specimensInfluenza virusInfectionChain reactionChildrenVirusHuman metapneumovirus and exacerbations of chronic obstructive pulmonary disease
Martinello RA, Esper F, Weibel C, Ferguson D, Landry ML, Kahn JS. Human metapneumovirus and exacerbations of chronic obstructive pulmonary disease. Journal Of Infection 2006, 53: 248-254. PMID: 16412516, PMCID: PMC7112509, DOI: 10.1016/j.jinf.2005.11.010.Peer-Reviewed Original ResearchConceptsExacerbation of COPDChronic obstructive pulmonary diseaseObstructive pulmonary diseaseRespiratory syncytial virusHuman metapneumovirusPulmonary diseaseSyncytial virusObservational cohort studyRespiratory tract infectionsParainfluenza type 3Urban teaching hospitalCOPD patientsCohort studyTract infectionsParainfluenza 1HMPV genotypesRespiratory virusesNasopharyngeal specimensViral cultureEnrollment criteriaInfluenza ATeaching hospitalDirect immunofluorescenceExacerbationPatients