2024
High burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children
Watkins T, Green A, Amat J, Cheemarla N, Hänsel K, Lozano R, Dudgeon S, Germain G, Landry M, Schulz W, Foxman E. High burden of viruses and bacterial pathobionts drives heightened nasal innate immunity in children. Journal Of Experimental Medicine 2024, 221: e20230911. PMID: 38949638, PMCID: PMC11215523, DOI: 10.1084/jem.20230911.Peer-Reviewed Original ResearchConceptsBacterial pathobiontsRespiratory virusesBurden of virusesSARS-CoV-2Innate immune activationSARS-CoV-2 viral loadDynamic host-pathogen interactionsInnate immune responseViral coinfectionCytokine profileViral loadNasal virusImmune activationProinflammatory responseIL-1BNasopharyngeal samplesHost-pathogen interactionsImmune responseInterferon responsePathobiontsInnate immunityPaired samplesCXCL10Healthy 1-year-oldVirus
2023
Progressive shingles in a toddler due to reactivation of Varicella Zoster vaccine virus four days after infection with SARS-CoV-2; a case report
Miller C, Taylor-Salmon E, Emuren L, Landry M, Gershon A, Miller G. Progressive shingles in a toddler due to reactivation of Varicella Zoster vaccine virus four days after infection with SARS-CoV-2; a case report. BMC Infectious Diseases 2023, 23: 854. PMID: 38057696, PMCID: PMC10698951, DOI: 10.1186/s12879-023-08809-5.Peer-Reviewed Original ResearchConceptsVaricella-zoster virusVZV reactivationVaccine-strain varicella-zoster virusSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2Latent varicella zoster virusSymptomatic COVID-19 infectionRespiratory syndrome coronavirus 2SARS-CoV2 infectionSyndrome coronavirus 2COVID-19 infectionVaccine-type strainsSARS-CoV-2Vesicular rashPediatric patientsSignificant morbidityClinical syndromeCoronavirus 2Single doseCase reportGeneral populationMechanical traumaDisease processHZ casesPhysiologic stressLymphocytic Choriomeningitis Virus in Person Living with HIV, Connecticut, USA, 2021 - Volume 29, Number 9—September 2023 - Emerging Infectious Diseases journal - CDC
Dyal J, Gandhi S, Cossaboom C, Leach A, Patel K, Golden M, Canterino J, Landry M, Cannon D, Choi M, Krapiunaya I, Klena J, Shoemaker T. Lymphocytic Choriomeningitis Virus in Person Living with HIV, Connecticut, USA, 2021 - Volume 29, Number 9—September 2023 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2023, 29: 1886-1889. PMID: 37610188, PMCID: PMC10461659, DOI: 10.3201/eid2909.230087.Peer-Reviewed Original Research
2021
Outbreak of Acute Respiratory Illness Associated With Human Adenovirus Type 4 at the United States Coast Guard Academy, 2019
Chu VT, Simon E, Lu X, Rockwell P, Abedi GR, Gardner C, Kujawski SA, Schneider E, Gentile M, Ramsey LA, Liu R, Jones S, Janik C, Siniscalchi A, Landry ML, Christopher J, Lindstrom S, Steiner S, Thomas D, Gerber SI, Biggs HM. Outbreak of Acute Respiratory Illness Associated With Human Adenovirus Type 4 at the United States Coast Guard Academy, 2019. The Journal Of Infectious Diseases 2021, 225: 55-64. PMID: 34139752, DOI: 10.1093/infdis/jiab322.Peer-Reviewed Original ResearchConceptsMedical recordsRespiratory outbreaksPolymerase chain reaction testingReal-time polymerase chain reaction testingNew-onset coughPositive patient samplesAdenovirus type 4Cadet trainingRoutine vaccinationSore throatAdenovirus vaccineIllness AssociatedHuman adenovirus type 4Respiratory specimensUnderlying conditionDuty restrictionsReaction testingPatient samplesType 4Whole-genome sequencingSubstantial numberEnvironmental specimensHAdVOutbreakUS Coast Guard AcademyDynamic innate immune response determines susceptibility to SARS-CoV-2 infection and early replication kinetics
Cheemarla NR, Watkins TA, Mihaylova VT, Wang B, Zhao D, Wang G, Landry ML, Foxman EF. Dynamic innate immune response determines susceptibility to SARS-CoV-2 infection and early replication kinetics. Journal Of Experimental Medicine 2021, 218: e20210583. PMID: 34128960, PMCID: PMC8210587, DOI: 10.1084/jem.20210583.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAngiotensin-Converting Enzyme 2Case-Control StudiesChemokine CXCL10COVID-19Disease SusceptibilityFemaleGene Expression ProfilingHost-Pathogen InteractionsHumansImmunity, InnateInterferonsMaleMiddle AgedNasopharynxPicornaviridae InfectionsSARS-CoV-2Viral LoadVirus ReplicationConceptsSARS-CoV-2 infectionSARS-CoV-2 exposureSARS-CoV-2Interferon-stimulated genesUpper respiratory tractRespiratory tractEarly SARS-CoV-2 infectionDynamic innate immune responseViral replicationSARS-CoV-2 replicationPatient nasopharyngeal samplesInnate immune responseLow infectious doseViral loadNasopharyngeal samplesImmune responseInfectious doseISG responseAntiviral responseInfection progressionViral transmissionLevel correlatesInfectionISG inductionInitial replicationEarly introductions and transmission of SARS-CoV-2 variant B.1.1.7 in the United States
Alpert T, Brito AF, Lasek-Nesselquist E, Rothman J, Valesano AL, MacKay MJ, Petrone ME, Breban MI, Watkins AE, Vogels CBF, Kalinich CC, Dellicour S, Russell A, Kelly JP, Shudt M, Plitnick J, Schneider E, Fitzsimmons WJ, Khullar G, Metti J, Dudley JT, Nash M, Beaubier N, Wang J, Liu C, Hui P, Muyombwe A, Downing R, Razeq J, Bart SM, Grills A, Morrison SM, Murphy S, Neal C, Laszlo E, Rennert H, Cushing M, Westblade L, Velu P, Craney A, Cong L, Peaper DR, Landry ML, Cook PW, Fauver JR, Mason CE, Lauring AS, St George K, MacCannell DR, Grubaugh ND. Early introductions and transmission of SARS-CoV-2 variant B.1.1.7 in the United States. Cell 2021, 184: 2595-2604.e13. PMID: 33891875, PMCID: PMC8018830, DOI: 10.1016/j.cell.2021.03.061.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 lineage B.1.1.7SARS-CoV-2 variant B.1.1.7Global public health concernPublic health concernPublic health responseCOVID-19 casesLineage B.1.1.7Variant B.1.1.7Health responseHealth concernB.1.1.7Increased transmissibilityEarly introductionGenomic surveillanceUnited StatesDiagnostic dataDominant lineage
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 severityHigh Agreement Between an Ultrasensitive Clostridioides difficile Toxin Assay and a C. difficile Laboratory Algorithm Utilizing GDH-and-Toxin Enzyme Immunoassays and Cytotoxin Testing
Landry ML, Topal JE, Estis J, Katzenbach P, Nolan N, Sandlund J. High Agreement Between an Ultrasensitive Clostridioides difficile Toxin Assay and a C. difficile Laboratory Algorithm Utilizing GDH-and-Toxin Enzyme Immunoassays and Cytotoxin Testing. Journal Of Clinical Microbiology 2020, 58: 10.1128/jcm.01629-19. PMID: 31776192, PMCID: PMC6989068, DOI: 10.1128/jcm.01629-19.Peer-Reviewed Original ResearchConceptsToxin enzyme immunoassayToxin A/BCell cytotoxicity neutralization assayEnzyme immunoassayStool samplesDifficile toxin assaysProspective clinical studyCytotoxicity neutralization assayCare algorithmChart reviewClinical studiesToxin ACytotoxin testingNeutralization assaysToxin assaysNegative agreementDiscordant samplesLaboratory algorithmTesting algorithmHigh agreementInfection diagnosticsGlutamate dehydrogenasePositive agreementImmunoassayAssays
2017
Antiviral Response in the Nasopharynx Identifies Patients With Respiratory Virus Infection
Landry ML, Foxman EF. Antiviral Response in the Nasopharynx Identifies Patients With Respiratory Virus Infection. The Journal Of Infectious Diseases 2017, 217: 897-905. PMID: 29281100, PMCID: PMC5853594, DOI: 10.1093/infdis/jix648.Peer-Reviewed Original ResearchConceptsRespiratory virusesNasopharyngeal swabsViral infectionCXCL10 protein levelsPatient nasopharyngeal swabsRespiratory virus infectionsHuman nasal epithelial cellsManagement of patientsRespiratory virus detectionNasal epithelial cellsSingle host proteinVirus detectionSimple diagnostic testIdentifies patientsRespiratory symptomsRespiratory infectionsRespiratory illnessHigh burdenVirus infectionReceptor RIGCost-effective testAntiviral responseAccurate diagnosisDiagnostic testsInfectionFatal case of cutaneous‐sparing orolaryngeal zoster in a renal transplant recipient
Helou E, Grant M, Landry M, Wu X, Morrow JS, Malinis MF. Fatal case of cutaneous‐sparing orolaryngeal zoster in a renal transplant recipient. Transplant Infectious Disease 2017, 19 PMID: 28401625, DOI: 10.1111/tid.12704.Peer-Reviewed Case Reports and Technical NotesConceptsTransplant recipientsHerpes zosterSolid organ transplant recipientsCTLA-4 inhibitorsKidney transplant recipientsRenal transplant recipientsOrgan transplant recipientsAcute rejectionSOT recipientsMucosal lesionsMeningo-encephalitisPoor outcomeFatal casesHerpesvirus infectionSignificant causeRecipientsZosterPneumonitisMorbidityPatientsLesionsInfectionMortalityCases
2016
Characterizing Patients with Very-Low-Level HIV Viremia: A Community-Based Study
Helou E, Shenoi S, Kyriakides T, Landry ML, Kozal M, Barakat LA. Characterizing Patients with Very-Low-Level HIV Viremia: A Community-Based Study. Journal Of The International Association Of Providers Of AIDS Care (JIAPAC) 2016, 16: 261-266. PMID: 27903948, PMCID: PMC5423832, DOI: 10.1177/2325957416680028.Peer-Reviewed Original ResearchConceptsVirologic failureViral load levelsPill burdenAlcohol useHuman immunodeficiency virus (HIV) careLow-level HIV viremiaUndetectable viral load levelsAntiretroviral regimen changesAntiretroviral therapy changesExperienced virologic failureLow-level viremiaIntravenous drug useSubset of patientsFrequent clinic visitsPoor clinical outcomePossible risk factorsHepatitis C virusHIV viremiaMore comorbiditiesNonfailure groupVirologic suppressionVirological failureCD4 countConsecutive chartsClinic visitsZika Virus: From Obscurity to Potentially Devastating International Threat
Landry ML, Ko AI, Kramer LD, Vasilakis N. Zika Virus: From Obscurity to Potentially Devastating International Threat. Clinical Chemistry 2016, 62: 1175-1180. PMID: 27551005, PMCID: PMC5444535, DOI: 10.1373/clinchem.2016.261917.Peer-Reviewed Original Research
2013
Atypical hand-foot-and-mouth disease associated with coxsackievirus A6 infection
Lott JP, Liu K, Landry ML, Nix WA, Oberste MS, Bolognia J, King B. Atypical hand-foot-and-mouth disease associated with coxsackievirus A6 infection. Journal Of The American Academy Of Dermatology 2013, 69: 736-741. PMID: 24035209, PMCID: PMC5843477, DOI: 10.1016/j.jaad.2013.07.024.Peer-Reviewed Original ResearchConceptsCV-A6 infectionAtypical HFMDCV-A6Acute viral illnessArea of dermatitisCoxsackievirus A6 infectionDiagnostic laboratory evaluationMouth diseaseEnterovirus 71 infectionWidespread cutaneous lesionsReverse transcriptase-polymerase chain reactionTranscriptase-polymerase chain reactionAssociated systemic symptomsMucocutaneous lesionsViral illnessAtopic dermatitisCutaneous findingsCase seriesClinical featuresCutaneous lesionsEnterovirus infectionSystemic symptomsSingle institutionPolymerase chain reactionDiagnostic evaluationComparison of Simplexa HSV 1 & 2 PCR with Culture, Immunofluorescence, and Laboratory-Developed TaqMan PCR for Detection of Herpes Simplex Virus in Swab Specimens
Gitman MR, Ferguson D, Landry ML. Comparison of Simplexa HSV 1 & 2 PCR with Culture, Immunofluorescence, and Laboratory-Developed TaqMan PCR for Detection of Herpes Simplex Virus in Swab Specimens. Journal Of Clinical Microbiology 2013, 51: 3765-3769. PMID: 24006008, PMCID: PMC3889765, DOI: 10.1128/jcm.01413-13.Peer-Reviewed Original ResearchAdolescentAdultAgedAged, 80 and overChildChild, PreschoolClinical Laboratory TechniquesCosts and Cost AnalysisFemaleFluorescent Antibody TechniqueHerpes SimplexHumansInfantInfant, NewbornMaleMiddle AgedPolymerase Chain ReactionSensitivity and SpecificitySimplexvirusTime FactorsVirus CultivationYoung Adult
2010
Serum 25-Hydroxyvitamin D and the Incidence of Acute Viral Respiratory Tract Infections in Healthy Adults
Sabetta JR, DePetrillo P, Cipriani RJ, Smardin J, Burns LA, Landry ML. Serum 25-Hydroxyvitamin D and the Incidence of Acute Viral Respiratory Tract Infections in Healthy Adults. PLOS ONE 2010, 5: e11088. PMID: 20559424, PMCID: PMC2885414, DOI: 10.1371/journal.pone.0011088.Peer-Reviewed Original ResearchConceptsAcute viral respiratory tract infectionsViral respiratory tract infectionsRespiratory tract infectionsAcute respiratory tract infectionsTract infectionsD concentrationsVitamin DSerum concentrationsViral infectionHealthy adultsVitamin D supplementationD serum concentrationsBurden of illnessFuture interventional studiesIncidence of infectionSpecific viral infectionsLean body massPrevalence of influenzaPercentage of daysDark-skinned individualsD supplementationPregnant womenInterventional studyGeneral populationInfection
2009
Emergent US adenovirus 3 strains associated with an epidemic and serious disease
Lebeck MG, McCarthy TA, Capuano AW, Schnurr DP, Landry ML, Setterquist SF, Heil GL, Kilic S, Gray GC. Emergent US adenovirus 3 strains associated with an epidemic and serious disease. Journal Of Clinical Virology 2009, 46: 331-336. PMID: 19854101, PMCID: PMC2806089, DOI: 10.1016/j.jcv.2009.09.023.Peer-Reviewed Original ResearchConceptsClinical diseaseSevere diseaseSevere clinical diseaseYears of ageRisk factor modelingRisk factorsChronic diseasesAdenovirus type 3Emergent strainsPrevalent serotypesHAdV3DiseaseMultivariate modelingType 3Serious diseaseRare strainsNovel variantsRestriction enzyme analysisAdenovirus 3Genomic characterizationEnzyme analysisStatistical analysisUS laboratoriesPersonsVariantsHerpes Simplex Type-2 Meningitis: Presentation and Lack of Standardized Therapy
Landry ML, Greenwold J, Vikram HR. Herpes Simplex Type-2 Meningitis: Presentation and Lack of Standardized Therapy. The American Journal Of Medicine 2009, 122: 688-691. PMID: 19559173, DOI: 10.1016/j.amjmed.2009.02.017.Peer-Reviewed Original ResearchConceptsHSV-2 meningitisGenital herpesHerpes simplex type 2Evidence of meningoencephalitisOral antiviral therapyRecurrent lymphocytic meningitisRetrospective observational studyTime of presentationSimplex type 2Optimal patient managementCerebrospinal fluid samplesSteroid injectionCesarean sectionLymphocytic meningitisOral therapyStandardized therapyAntiviral treatmentGenital symptomsIntravenous therapyRecurrent meningitisAntiviral therapySpinal stenosisGenital lesionsHSV-2Medical recordsAdenovirus type 3 outbreak in connecticut associated with a novel variant
Landry ML, Lebeck MG, Capuano AW, McCarthy T, Gray GC. Adenovirus type 3 outbreak in connecticut associated with a novel variant. Journal Of Medical Virology 2009, 81: 1380-1384. PMID: 19551823, PMCID: PMC2897138, DOI: 10.1002/jmv.21539.Peer-Reviewed Original Research
2008
False negative PCR despite high levels of JC virus DNA in spinal fluid: Implications for diagnostic testing
Landry ML, Eid T, Bannykh S, Major E. False negative PCR despite high levels of JC virus DNA in spinal fluid: Implications for diagnostic testing. Journal Of Clinical Virology 2008, 43: 247-249. PMID: 18701345, PMCID: PMC2683978, DOI: 10.1016/j.jcv.2008.07.003.Peer-Reviewed Original ResearchConceptsProgressive multifocal leukoencephalopathyPolymerase chain reactionHerpes simplex virus polymerase chain reactionSpinal fluidCSF polymerase chain reactionNegative polymerase chain reactionFatal neurologic illnessesJC virus DNAFalse-negative polymerase chain reactionHigher positive resultsMultifocal leukoencephalopathyBrain biopsyNeurologic illnessDNA polymerase chain reactionNeurologic diseaseBlinded studyPCR testingDiagnostic testingVirus DNAReference laboratoryYoung mothersChain reactionNegative resultsDifferent virusesPositive results
2007
CSF IgH gene rearrangement analysis in isolated post-transplant lymphoproliferative disorder of the central nervous system
Baehring JM, Landry ML, Cooper D, Hui P, Bannykh S. CSF IgH gene rearrangement analysis in isolated post-transplant lymphoproliferative disorder of the central nervous system. Journal Of Neuro-Oncology 2007, 86: 57-60. PMID: 17909942, DOI: 10.1007/s11060-007-9429-9.Peer-Reviewed Original Research