2024
Diagnostic testing preferences can help inform future public health response efforts: Global insights from an international survey
Salzano L, Narayanan N, Tobik E, Akbarzada S, Wu Y, Megiel S, Choate B, Wyllie A. Diagnostic testing preferences can help inform future public health response efforts: Global insights from an international survey. PLOS Global Public Health 2024, 4: e0003547. PMID: 39078819, PMCID: PMC11288416, DOI: 10.1371/journal.pgph.0003547.Peer-Reviewed Original ResearchPublic health response effortsTest preferenceSurvey responsesResponse effortsInternational surveySARS-CoV-2Healthcare worker-collected samplingSARS-CoV-2 testingOral swabsHealthcare workersQualtrics surveySaliva-based testRank sum analysisSurveillance testing programDemographic dataBachelor's degreeHealthcareInfluence willingnessGraduate degreeSurveyIncreased utilizationDiagnostic testsSampling methodPersonal experiencePCR testA low-cost culture- and DNA extraction-free method for the molecular detection of pneumococcal carriage in saliva.
Peno C, Lin T, Hislop M, Yolda-Carr D, Farjado K, York A, Pitzer V, Weinberger D, Bei A, Allicock O, Wyllie A. A low-cost culture- and DNA extraction-free method for the molecular detection of pneumococcal carriage in saliva. Microbiology Spectrum 2024, e0059124. PMID: 39028185, DOI: 10.1128/spectrum.00591-24.Peer-Reviewed Original ResearchDetection of pneumococciDetection of pneumococcal carriagePneumococcal carriageCarriage surveillanceLow-resource settingsChildren attending childcare centersCarriage of pneumococciDNA extractionSaliva samplesMolecular methodsCultural enrichmentImprove surveillance effortsQPCR-based protocolPneumococcal vaccineExtraction-free methodMolecular detectionNucleic acid extractionVaccination strategiesPneumococciCulture-enrichment methodExtraction-free protocolPurified DNASalivaPaired samplesCarriageUpper respiratory Streptococcus pneumoniae colonization among working-age adults with prevalent exposure to overcrowding
Parker A, Jackson N, Awasthi S, Kim H, Alwan T, Wyllie A, Kogut K, Holland N, Mora A, Eskenazi B, Riley L, Lewnard J. Upper respiratory Streptococcus pneumoniae colonization among working-age adults with prevalent exposure to overcrowding. Microbiology Spectrum 2024, 12: e00879-24. PMID: 39012111, PMCID: PMC11302326, DOI: 10.1128/spectrum.00879-24.Peer-Reviewed Original ResearchPneumococcal carriageStreptococcus pneumoniae</i>Pneumococcal diseaseLt;5 yearsPredictors of carriagePrecursor to pneumococcal diseaseAssociated with increased riskRisk of carriageExposure to childrenYoung childrenExposure to young childrenCycle threshold valuesPneumococcal densityVulnerable age groupRisk factorsPneumococcal transmissionIncreased prevalenceNon-carriersPneumococciAge groupsCarriageSaliva samplesAdult populationMilitary recruitsQuantitative PCR assaySerological Profiling of Pneumococcal Proteins Reveals Unique Patterns of Acquisition, Maintenance, and Waning of Antibodies Throughout Life
He S, Voß F, Nicolaie M, Brummelman J, van de Garde M, Bijvank E, Poelen M, Wijmenga-Monsuur A, Wyllie A, Trzciński K, Van Beek J, Rots N, Hartog G, Hammerschmidt S, van C. Serological Profiling of Pneumococcal Proteins Reveals Unique Patterns of Acquisition, Maintenance, and Waning of Antibodies Throughout Life. The Journal Of Infectious Diseases 2024, jiae216. PMID: 38679601, DOI: 10.1093/infdis/jiae216.Peer-Reviewed Original ResearchIgG levelsPneumococcal proteinsAntibody responseLow IgG levelsSerum IgG levelsWaning of antibodiesIncreased IgG levelsAdults aged >Age-targeted interventionsProtein-specific antibody responsesPneumococcal carriageOlder adults aged >Streptococcus pneumoniaeSerological profileOlder infantsOlder ageOlder childrenOlder adultsAntibodiesAgeCarriageAdultsChildrenUnique pattern
2023
2604. Contact With School-Aged Children is a Major Risk Factor for Pneumococcal Colonization in Older Adults
Wyllie A, Yolda-Carr D, Hislop M, Mbodj S, Kennedy H, McLaughlin M, Wurst L, Waghela P, Peno C, Alexander-Parrish R, Arguedas A, Gessner B, Weinberger D. 2604. Contact With School-Aged Children is a Major Risk Factor for Pneumococcal Colonization in Older Adults. Open Forum Infectious Diseases 2023, 10: ofad500.2218. PMCID: PMC10679235, DOI: 10.1093/ofid/ofad500.2218.Peer-Reviewed Original ResearchPneumococcal conjugate vaccineOlder adultsTime pointsRisk factorsPneumococcal colonizationAdult transmissionTransmission of pneumococciMajor risk factorRecent contactYear oldsNon-institutionalized individualsYears of ageGrant/research supportSame time pointsPneumococcal acquisitionConjugate vaccineSchool-Aged ChildrenElevated prevalenceYoung school-age childrenHealth statusYoung contactsSaliva samplesMedical directorsSample adultsPneumococci649. Expansion Of A Low-Cost, Open-Source, Saliva-Based PCR Test For The Detection Of Mpox Virus
Thomas R, Yolda-Carr D, Steel S, Tobik E, Zepeda T, Brownlee M, Saladi S, Parkin J, Fajardo K, Allicock O, Wyllie A. 649. Expansion Of A Low-Cost, Open-Source, Saliva-Based PCR Test For The Detection Of Mpox Virus. Open Forum Infectious Diseases 2023, 10: ofad500.712. PMCID: PMC10677374, DOI: 10.1093/ofid/ofad500.712.Peer-Reviewed Original Research880. Diagnostic Testing Sample-Type Preferences: Results From An International Survey On SARS-CoV-2
Akbarzada S, Narayanan N, Salzano L, Tobik E, Megiel S, Duni C, Choate B, Harper S, Wyllie A. 880. Diagnostic Testing Sample-Type Preferences: Results From An International Survey On SARS-CoV-2. Open Forum Infectious Diseases 2023, 10: ofad500.925. PMCID: PMC10676974, DOI: 10.1093/ofid/ofad500.925.Peer-Reviewed Original Research881. Saliva-Based, Extraction-Free PCR Testing For The Detection Of Key Respiratory Pathogens
Allicock O, Lin T, Fajardo K, Yolda-Carr D, Hislop M, Wang J, Zuniga D, Platt W, Tuohy B, Peno C, Wyllie A. 881. Saliva-Based, Extraction-Free PCR Testing For The Detection Of Key Respiratory Pathogens. Open Forum Infectious Diseases 2023, 10: ofad500.926. PMCID: PMC10677551, DOI: 10.1093/ofid/ofad500.926.Peer-Reviewed Original ResearchSARS-CoV-2Saliva samplesRespiratory virusesRespiratory pathogensSARS-CoV-2 PCR testInfluenza A/BSARS-CoV-2 testingUpper respiratory tract pathogensAdditional respiratory virusesDetection of hMPVMass testing strategyPCR testCommon respiratory virusesCommon respiratory pathogensRespiratory tract pathogensKey respiratory pathogensYears of ageSARS-CoV-2 detectionGrant/research supportTransmissible infectious diseasesUse of salivaYale HealthRespiratory symptomsInfluenza B.Nasopharyngeal swabsSaliva as an alternative sample type for detection of pneumococcal carriage in young children
Wyllie A, Rots N, Wijmenga-Monsuur A, van Houten M, Sanders E, Trzciński K. Saliva as an alternative sample type for detection of pneumococcal carriage in young children. Microbiology 2023, 169: 001394. PMID: 37819029, PMCID: PMC10634364, DOI: 10.1099/mic.0.001394.Peer-Reviewed Original ResearchConceptsNasopharyngeal swabsCarriage detectionPneumococcal carriageSaliva samplesSubset of serotypesOlder age groupsConventional cultureAlternative sample typePneumococcal colonizationPneumococcal detectionPolymicrobial growthAge groupsStudy participantsSaliva samplingSwabsDiagnostic culturesGold standardLongitudinal studyYoung childrenSalivaCarriageChildrenInfantsMolecular detection methodsPneumococciSevere acute respiratory coronavirus virus 2 (SARS-CoV-2) RNA and viable virus contamination of hospital emergency department surfaces and association with patient coronavirus disease 2019 (COVID-19) status and aerosol-generating procedures
Roberts S, Barbell E, Barber D, Dahlberg S, Heimer R, Jubanyik K, Parwani V, Pettigrew M, Tanner J, Ulrich A, Wade M, Wyllie A, Yolda-Carr D, Martinello R, Tanner W. Severe acute respiratory coronavirus virus 2 (SARS-CoV-2) RNA and viable virus contamination of hospital emergency department surfaces and association with patient coronavirus disease 2019 (COVID-19) status and aerosol-generating procedures. Infection Control And Hospital Epidemiology 2023, 45: 244-246. PMID: 37767709, PMCID: PMC10877528, DOI: 10.1017/ice.2023.183.Peer-Reviewed Original ResearchThe potential of saliva as an accessible and sensitive sample type for the detection of respiratory pathogens and host immunity
Laxton C, Peno C, Hahn A, Allicock O, Perniciaro S, Wyllie A. The potential of saliva as an accessible and sensitive sample type for the detection of respiratory pathogens and host immunity. The Lancet Microbe 2023, 4: e837-e850. PMID: 37516121, DOI: 10.1016/s2666-5247(23)00135-0.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsSARS-CoV-2Respiratory pathogensPotential of salivaUsefulness of salivaUse of salivaRespiratory specimenRespiratory secretionsDisease burdenImmunological componentsImmunity surveillanceClinical utilityHost immunityClinical useDiagnostic testsNon-invasive natureSalivaCOVID-19 pandemicSample typesMethodological factorsPathogensImmunitySecretionMethod versatility in RNA extraction-free PCR detection of SARS-CoV-2 in saliva samples
Allicock O, Yolda-Carr D, Earnest R, Breban M, Vega N, Ott I, Kalinich C, Alpert T, Petrone M, Wyllie A. Method versatility in RNA extraction-free PCR detection of SARS-CoV-2 in saliva samples. Progress In Biophysics And Molecular Biology 2023, 182: 103-108. PMID: 37369293, PMCID: PMC10290768, DOI: 10.1016/j.pbiomolbio.2023.06.004.Peer-Reviewed Original ResearchPooled RNA-extraction-free testing of saliva for the detection of SARS-CoV-2
Allicock O, Yolda-Carr D, Todd J, Wyllie A. Pooled RNA-extraction-free testing of saliva for the detection of SARS-CoV-2. Scientific Reports 2023, 13: 7426. PMID: 37156888, PMCID: PMC10165292, DOI: 10.1038/s41598-023-34662-2.Peer-Reviewed Original ResearchConceptsSARS-CoV-2RT-qPCR assaysSARS-CoV-2 testingVirus-infected individualsAged care facilitiesSelf-collected salivaSARS-CoV-2 spreadActionable time frameAsymptomatic individualsTest turnaround timeHealthcare workersGeneral populationCare facilitiesTest availabilityWeekly testingFree testingClinical salivaPositive agreementClinical laboratoriesSalivaCT valuesSuch testingTesting workflowIndividual testingTesting protocolHigh Levels of Detection of Nonpneumococcal Species of Streptococcus in Saliva from Adults in the United States
Hislop M, Allicock O, Thammavongsa D, Mbodj S, Nelson A, Shaw A, Weinberger D, Wyllie A. High Levels of Detection of Nonpneumococcal Species of Streptococcus in Saliva from Adults in the United States. Microbiology Spectrum 2023, 11: e05207-22. PMID: 37067447, PMCID: PMC10269540, DOI: 10.1128/spectrum.05207-22.Peer-Reviewed Original ResearchPersistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures
Wyllie A, Mbodj S, Thammavongsa D, Hislop M, Yolda-Carr D, Waghela P, Nakahata M, Stahlfeld A, Vega N, York A, Allicock O, Wilkins G, Ouyang A, Siqueiros L, Strong Y, Anastasio K, Alexander-Parrish R, Arguedas A, Gessner B, Weinberger D. Persistence of Pneumococcal Carriage among Older Adults in the Community despite COVID-19 Mitigation Measures. Microbiology Spectrum 2023, 11: e04879-22. PMID: 37036377, PMCID: PMC10269788, DOI: 10.1128/spectrum.04879-22.Peer-Reviewed Original ResearchConceptsInvasive pneumococcal diseasePneumococcal diseaseSchool-aged childrenOlder adultsPneumococcal carriageSaliva samplesCOVID-19 pandemicRate of carriageCOVID-19-related disruptionsUpper respiratory tractRegular contactNew Haven areaFirst yearCarriage prevalencePre-pandemic levelsMedical historyRespiratory tractHigh prevalenceStreptococcus pneumoniaeCOVID-19 mitigation measuresStudy participantsPneumococciPrevalenceDiseaseCarriageMagnetic bead-based separation of pneumococcal serotypes
York A, Huynh E, Mbodj S, Yolda-Carr D, Hislop M, Echlin H, Rosch J, Weinberger D, Wyllie A. Magnetic bead-based separation of pneumococcal serotypes. Cell Reports Methods 2023, 3: 100410. PMID: 36936076, PMCID: PMC10014298, DOI: 10.1016/j.crmeth.2023.100410.Peer-Reviewed Original ResearchRoutine saliva testing for SARS-CoV-2 in children: Methods for partnering with community childcare centers
Rayack E, Askari H, Zirinsky E, Lapidus S, Sheikha H, Peno C, Kazemi Y, Yolda-Carr D, Liu C, Grubaugh N, Ko A, Wyllie A, Spatz E, Oliveira C, Bei A. Routine saliva testing for SARS-CoV-2 in children: Methods for partnering with community childcare centers. Frontiers In Public Health 2023, 11: 1003158. PMID: 36817891, PMCID: PMC9936085, DOI: 10.3389/fpubh.2023.1003158.Peer-Reviewed Original ResearchConceptsParents/guardiansOnline patient portalYounger age groupsSARS-CoV-2Age groupsSurveillance programSaliva collectionSARS-CoV-2 testingSARS-CoV-2 screeningWeekly saliva samplesRT-PCR testingChildcare centre staffCritical age groupRoutine surveillance toolRoutine testing programsChildcare centersCOVID-19 transmissionAsymptomatic screeningSaliva collection methodNasal swabsPatient portalsSymptomatic testingPublic health dataSaliva samplesChildcare facilities
2022
Saliva-based methods for SARS-CoV-2 testing in low- and middle-income countries
Tan S, Allicock O, Katamba A, Carrington C, Wyllie A, Armstrong-Hough M. Saliva-based methods for SARS-CoV-2 testing in low- and middle-income countries. Bulletin Of The World Health Organization 2022, 100: 808-814. PMID: 36466209, PMCID: PMC9706358, DOI: 10.2471/blt.22.288526.Peer-Reviewed Original ResearchImpact of Temporary Storage Conditions on the Viability of Streptococcus pneumoniae in Saliva
Allicock O, York A, Waghela P, Yolda-Carr D, Weinberger D, Wyllie A. Impact of Temporary Storage Conditions on the Viability of Streptococcus pneumoniae in Saliva. MSphere 2022, 7: e00331-22. PMID: 36409104, PMCID: PMC9769876, DOI: 10.1128/msphere.00331-22.Peer-Reviewed Original ResearchAssociation of Upper Respiratory Streptococcus pneumoniae Colonization With Severe Acute Respiratory Syndrome Coronavirus 2 Infection Among Adults
Parker A, Jackson N, Awasthi S, Kim H, Alwan T, Wyllie A, Baldwin A, Brennick N, Moehle E, Giannikopoulos P, Kogut K, Holland N, Mora-Wyrobek A, Eskenazi B, Riley L, Lewnard J. Association of Upper Respiratory Streptococcus pneumoniae Colonization With Severe Acute Respiratory Syndrome Coronavirus 2 Infection Among Adults. Clinical Infectious Diseases 2022, 76: 1209-1217. PMID: 36401872, DOI: 10.1093/cid/ciac907.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionSARS-CoV-2Upper airwayAcute respiratory syndrome coronavirus 2 infectionSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionSevere acute respiratory syndrome coronavirus 2Syndrome coronavirus 2 infectionAcute respiratory syndrome coronavirus 2Respiratory syndrome coronavirus 2SARS-CoV-2 molecular testingCoronavirus 2 infectionStreptococcus pneumoniae colonizationViral respiratory pathogensSyndrome coronavirus 2Conditional logistic regressionWorking-age adultsQuantitative polymerase chain reactionPneumococcal carriersPneumococcal carriagePneumoniae colonizationOutpatient clinicCoronavirus 2Polymerase chain reactionRespiratory pathogensSaliva specimens