2023
Routine 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
Structural factors associated with SARS-CoV-2 infection risk in an urban slum setting in Salvador, Brazil: A cross-sectional survey
Fofana MO, Nery N, Ticona J, de Andrade Belitardo EMM, Victoriano R, Anjos RO, Portilho MM, de Santana MC, dos Santos LL, de Oliveira D, Cruz JS, Muenker MC, Khouri R, Wunder EA, Hitchings MDT, Johnson O, Reis MG, Ribeiro GS, Cummings DAT, Costa F, Ko AI. Structural factors associated with SARS-CoV-2 infection risk in an urban slum setting in Salvador, Brazil: A cross-sectional survey. PLOS Medicine 2022, 19: e1004093. PMID: 36074784, PMCID: PMC9499230, DOI: 10.1371/journal.pmed.1004093.Peer-Reviewed Original ResearchConceptsSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infectionAcute respiratory syndrome coronavirus 2 infectionSARS-CoV-2 infection riskUrban slumsSyndrome coronavirus 2 infectionSARS-CoV-2 seroprevalenceSARS-CoV-2 incidenceCoronavirus 2 infectionCross-sectional serosurveyMain outcome measuresUrban slum populationPresence of IgGSARS-CoV-2 spike proteinUrban slum communityCross-sectional surveyUrban slum residentsCumulative incidenceMedian ageRisk factorsOutcome measuresStudy populationHigh seroprevalenceMedian dailyPandemic waveGender distributionEVITA Dengue: a cluster-randomized controlled trial to EValuate the efficacy of Wolbachia-InfecTed Aedes aegypti mosquitoes in reducing the incidence of Arboviral infection in Brazil
Collins MH, Potter GE, Hitchings MDT, Butler E, Wiles M, Kennedy JK, Pinto SB, Teixeira ABM, Casanovas-Massana A, Rouphael NG, Deye GA, Simmons CP, Moreira LA, Nogueira ML, Cummings DAT, Ko AI, Teixeira MM, Edupuganti S. EVITA Dengue: a cluster-randomized controlled trial to EValuate the efficacy of Wolbachia-InfecTed Aedes aegypti mosquitoes in reducing the incidence of Arboviral infection in Brazil. Trials 2022, 23: 185. PMID: 35236394, PMCID: PMC8889395, DOI: 10.1186/s13063-022-05997-4.Peer-Reviewed Original ResearchConceptsArboviral infectionsMajor global health problemHigh-quality evidenceCluster-randomized trialGlobal health problemNational InstituteEfficacy of WolbachiaWorld Mosquito ProgramArbovirus transmissionOngoing trialsLicensed antiviralsAedes aegypti mosquitoesEffective vaccineTrial designMosquito ProgramSerologic surveillanceHealth problemsHuman infectionsAedes aegyptiInfectionEpidemiologic outcomesVector control activitiesTrialsAegypti mosquitoesAedes mosquitoes
2021
Evidence for SARS-CoV-2 Spike Protein in the Urine of COVID-19 Patients
George S, Pal AC, Gagnon J, Timalsina S, Singh P, Vydyam P, Munshi M, Chiu JE, Renard I, Harden CA, Ott IM, Watkins AE, Vogels CBF, Lu P, Tokuyama M, Venkataraman A, Casanovas-Massana A, Wyllie AL, Rao V, Campbell M, Farhadian SF, Grubaugh ND, Dela Cruz CS, Ko AI, Perez A, Akaho EH, Moledina DG, Testani J, John AR, Ledizet M, Mamoun CB, Team A. Evidence for SARS-CoV-2 Spike Protein in the Urine of COVID-19 Patients. Kidney360 2021, 2: 924-936. PMID: 35373072, PMCID: PMC8791366, DOI: 10.34067/kid.0002172021.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 spike proteinSARS-CoV-2Spike proteinUrine samplesSARS-CoV-2 infectionYale-New Haven HospitalCOVID-19 patientsAntigen capture assayDetectable viral RNANew Haven HospitalPositive PCR resultsPossible long-term consequencesSpike S1 proteinNP PCRChildren's HospitalNasopharyngeal swabsSARS-CoV-2 spike S1 proteinRenal abnormalitiesLong-term effectsCystatin CLong-term consequencesHospitalUrineViral RNAAlbuminuriaDevelopmental outcomes in children exposed to Zika virus in utero from a Brazilian urban slum cohort study
Ticona J, Nery N, Ladines-Lim JB, Gambrah C, Sacramento G, de Paula Freitas B, Bouzon J, Oliveira-Filho J, Borja A, Adhikarla H, Montoya M, Chin A, Wunder EA, Ballalai V, Vieira C, Belfort R, Almeida A, Reis MG, Harris E, Ko AI, Costa F. Developmental outcomes in children exposed to Zika virus in utero from a Brazilian urban slum cohort study. PLOS Neglected Tropical Diseases 2021, 15: e0009162. PMID: 33544730, PMCID: PMC7891708, DOI: 10.1371/journal.pntd.0009162.Peer-Reviewed Original ResearchConceptsPopulation attributable fractionZIKV exposureMonths of ageMild cognitive delayZika virus exposureZIKV-exposed childrenPopulation-based cohortCognitive delayDevelopmental alterationsMonoclonal antibody blockadeMonths of lifeGross birth defectsAppropriate control groupsProspective serosurveyCohort studyNeurodevelopmental outcomesAntibody blockadeNeurodevelopmental evaluationVirus exposureAttributable fractionBehavioral abnormalitiesControl groupRest of womenZika virusCohort
2019
Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015
Briskin EA, Casanovas-Massana A, Ryff KR, Morales-Estrada S, Hamond C, Perez-Rodriguez NM, Benavidez KM, Weinberger DM, Castro-Arellano I, Wunder EA, Sharp TM, Rivera-Garcia B, Ko AI. Seroprevalence, Risk Factors, and Rodent Reservoirs of Leptospirosis in an Urban Community of Puerto Rico, 2015. The Journal Of Infectious Diseases 2019, 220: 1489-1497. PMID: 31342075, PMCID: PMC6761939, DOI: 10.1093/infdis/jiz339.Peer-Reviewed Original ResearchConceptsRisk factorsAnti-Leptospira antibodiesBurden of leptospirosisRisk of infectionMicroscopic agglutination testCross-sectional surveyQuantitative polymerase chain reactionSeropositive individualsPrevious infectionPolymerase chain reactionLeptospira infectionLeptospira carriageSerogroup IcterohaemorrhagiaeHigh titersStudy participantsAgglutination testLeptospira exposurePathogenic LeptospiraInfectionRodent reservoirsChain reactionAntibodiesRodent trappingSeroprevalenceCommunity sitesImpact of preexisting dengue immunity on Zika virus emergence in a dengue endemic region
Rodriguez-Barraquer I, Costa F, Nascimento EJM, Nery N, Castanha PMS, Sacramento GA, Cruz J, Carvalho M, De Olivera D, Hagan JE, Adhikarla H, Wunder EA, Coêlho DF, Azar SR, Rossi SL, Vasilakis N, Weaver SC, Ribeiro GS, Balmaseda A, Harris E, Nogueira ML, Reis MG, Marques ETA, Cummings DAT, Ko AI. Impact of preexisting dengue immunity on Zika virus emergence in a dengue endemic region. Science 2019, 363: 607-610. PMID: 30733412, PMCID: PMC8221194, DOI: 10.1126/science.aav6618.Peer-Reviewed Original ResearchConceptsZika virusZIKV NS1 antigenAttack rateZika virus emergenceHigh antibody titersDengue-endemic regionsZIKV immunityClinical outcomesDengue immunityZIKV infectionAntibody titersNS1 antigenRisk factorsEndemic regionsDengue virusImmunityVirusRiskVirus emergenceFuture transmissionCohortSymptomsInfectionAntigenTiters
2008
Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums
Reis RB, Ribeiro GS, Felzemburgh RD, Santana FS, Mohr S, Melendez AX, Queiroz A, Santos AC, Ravines RR, Tassinari WS, Carvalho MS, Reis MG, Ko AI. Impact of Environment and Social Gradient on Leptospira Infection in Urban Slums. PLOS Neglected Tropical Diseases 2008, 2: e228. PMID: 18431445, PMCID: PMC2292260, DOI: 10.1371/journal.pntd.0000228.Peer-Reviewed Original ResearchConceptsLeptospira antibodiesLeptospira infectionRisk factorsIndependent risk factorSocioeconomic statusUrban slumsCommunity-based surveyPopulation-based informationHousehold environmental factorsPoisson regression modelsBlack raceOverall prevalencePrior infectionHealth outcomesHealth problemsUrban leptospirosisInfection riskInfectionSocial gradientUnequal health outcomesEffective preventionLeptospira transmissionTransmission determinantsAntibodiesSystem survey
2000
Clonally Related Penicillin-Nonsusceptible Streptococcus pneumoniae Serotype 14 from Cases of Meningitis in Salvador, Brazil
Ko A, Reis J, Coppola S, Gouveia E, Cordeiro S, Lôbo T, Pinheiro R, Salgado K, Dourado C, Tavares-Neto J, Rocha H, Reis M, Johnson W, Riley L. Clonally Related Penicillin-Nonsusceptible Streptococcus pneumoniae Serotype 14 from Cases of Meningitis in Salvador, Brazil. Clinical Infectious Diseases 2000, 30: 78-86. PMID: 10619737, DOI: 10.1086/313619.Peer-Reviewed Original ResearchConceptsPenicillin-nonsusceptible isolatesSerotype 14 isolatesSerotype 14Pneumococcal meningitisActive hospital-based surveillanceCases of meningitisHospital-based surveillancePrevious antibiotic useIntermediate-level resistanceSerotype 14 strainsPolymerase chain reaction analysisAntibiotic useChain reaction analysisPrevalent serotypesMeningitisUnrelated patternsPCR patternsCity of SalvadorPatientsStreptococcus pneumoniae serotype 14Reaction analysisIsolatesLarge proportionGeographic areasInfection
1999
Randomized, Double-Blind Study of Stibogluconate Plus Human Granulocyte Macrophage Colony-Stimulating Factor versus Stibogluconate Alone in the Treatment of Cutaneous Leishmaniasis
Almeida R, D'Oliveira A, Machado P, Bacellar O, Ko A, de Jesus A, Mobashery N, Santos J, Carvalho E. Randomized, Double-Blind Study of Stibogluconate Plus Human Granulocyte Macrophage Colony-Stimulating Factor versus Stibogluconate Alone in the Treatment of Cutaneous Leishmaniasis. The Journal Of Infectious Diseases 1999, 180: 1735-1737. PMID: 10515844, DOI: 10.1086/315082.Peer-Reviewed Original ResearchConceptsCutaneous leishmaniasisGM-CSFDouble-blind placebo trialDouble-blind studyRecombinant human granulocyte-macrophage colony-stimulating factorGranulocyte macrophage-colony stimulating factorGM-CSF groupGranulocyte-macrophage colony-stimulating factorMacrophage-colony stimulating factorMacrophage colony-stimulating factorColony-stimulating factorHuman granulocyte macrophage-colony stimulating factorHuman granulocyte-macrophage colony-stimulating factorPlacebo groupPlacebo trialLesion healingSodium stibogluconatePatientsStibogluconateLeishmaniasisLesionsDaysTreatmentPlaceboGroup