2022
Why is leptospirosis hard to avoid for the impoverished? Deconstructing leptospirosis transmission risk and the drivers of knowledge, attitudes, and practices in a disadvantaged community in Salvador, Brazil
Palma F, Costa F, Lustosa R, Mogaji H, de Oliveira D, Souza F, Reis M, Ko A, Begon M, Khalil H. Why is leptospirosis hard to avoid for the impoverished? Deconstructing leptospirosis transmission risk and the drivers of knowledge, attitudes, and practices in a disadvantaged community in Salvador, Brazil. PLOS Global Public Health 2022, 2: e0000408. PMID: 36962720, PMCID: PMC10022107, DOI: 10.1371/journal.pgph.0000408.Peer-Reviewed Original ResearchLow socioeconomic statusLower riskLeptospirosis transmissionSocioeconomic statusIndividual infection riskEnvironmental risk factorsPublic health messagingUrban disadvantaged communitiesKAP variablesMale genderRisk factorsCross-sectional KAP surveyEpidemiological dataHigh-risk activitiesHealth messagingPrevention practicesGreater riskInfection riskInfectious diseasesKAP surveyTransmission riskResidents' knowledgeDisadvantaged communitiesRiskRisk activitiesLeptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study.
Quintero-Vélez J, Rodas J, Rojas C, Ko A, Wunder E. Leptospira Infection in Rural Areas of Urabá Region, Colombia: A Prospective Study. American Journal Of Tropical Medicine And Hygiene 2022, 107: 1267-1277. PMID: 36375452, PMCID: PMC9768283, DOI: 10.4269/ajtmh.21-1103.Peer-Reviewed Original ResearchConceptsOutdoor occupationsLeptospira infectionProspective studyRisk factorsMultivariable modelLeptospira seroprevalenceLogistic regression modelsEco-epidemiological aspectsMultinomial logistic regression modelsMultivariable analysisSerologic testingPrimary exposureMale genderMicroscopic agglutinationPresence of ratsOlder ageRural areasLeptospira serogroupsInfectionSeroincidenceLeptospira speciesSeroprevalenceSerogroupsRegression modelsDirt floorsStructural 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 distributionPhenotypes of disease severity in a cohort of hospitalized COVID-19 patients: Results from the IMPACC study
Ozonoff A, Schaenman J, Jayavelu ND, Milliren CE, Calfee CS, Cairns CB, Kraft M, Baden LR, Shaw AC, Krammer F, van Bakel H, Esserman DA, Liu S, Sesma AF, Simon V, Hafler DA, Montgomery RR, Kleinstein SH, Levy O, Bime C, Haddad EK, Erle DJ, Pulendran B, Nadeau KC, Davis MM, Hough CL, Messer WB, Higuita NIA, Metcalf JP, Atkinson MA, Brakenridge SC, Corry D, Kheradmand F, Ehrlich LIR, Melamed E, McComsey GA, Sekaly R, Diray-Arce J, Peters B, Augustine AD, Reed EF, Altman MC, Becker PM, Rouphael N, Ozonoff A, Schaenman J, Jayavelu N, Milliren C, Calfee C, Cairns C, Kraft M, Baden L, Shaw A, Krammer F, van Bakel H, Esserman D, Liu S, Sesma A, Simon V, Hafler D, Montgomery R, Kleinstein S, Levy O, Bime C, Haddad E, Erle D, Pulendran B, Nadeau K, Davis M, Hough C, Messer W, Higuita N, Metcalf J, Atkinson M, Brakenridge S, Corry D, Kheradmand F, Ehrlich L, Melamed E, McComsey G, Sekaly R, Diray-Arce J, Peters B, Augustine A, Reed E, McEnaney K, Barton B, Lentucci C, Saluvan M, Chang A, Hoch A, Albert M, Shaheen T, Kho A, Thomas S, Chen J, Murphy M, Cooney M, Presnell S, Fragiadakis G, Patel R, Guan L, Gygi J, Pawar S, Brito A, Khalil Z, Maguire C, Fourati S, Overton J, Vita R, Westendorf K, Salehi-Rad R, Leligdowicz A, Matthay M, Singer J, Kangelaris K, Hendrickson C, Krummel M, Langelier C, Woodruff P, Powell D, Kim J, Simmons B, Goonewardene I, Smith C, Martens M, Mosier J, Kimura H, Sherman A, Walsh S, Issa N, Dela Cruz C, Farhadian S, Iwasaki A, Ko A, Chinthrajah S, Ahuja N, Rogers A, Artandi M, Siegel S, Lu Z, Drevets D, Brown B, Anderson M, Guirgis F, Thyagarajan R, Rousseau J, Wylie D, Busch J, Gandhi S, Triplett T, Yendewa G, Giddings O, Anderson E, Mehta A, Sevransky J, Khor B, Rahman A, Stadlbauer D, Dutta J, Xie H, Kim-Schulze S, Gonzalez-Reiche A, van de Guchte A, Farrugia K, Khan Z, Maecker H, Elashoff D, Brook J, Ramires-Sanchez E, Llamas M, Rivera A, Perdomo C, Ward D, Magyar C, Fulcher J, Abe-Jones Y, Asthana S, Beagle A, Bhide S, Carrillo S, Chak S, Fragiadakis G, Ghale R, Gonzalez A, Jauregui A, Jones N, Lea T, Lee D, Lota R, Milush J, Nguyen V, Pierce L, Prasad P, Rao A, Samad B, Shaw C, Sigman A, Sinha P, Ward A, Willmore A, Zhan J, Rashid S, Rodriguez N, Tang K, Altamirano L, Betancourt L, Curiel C, Sutter N, Paz M, Tietje-Ulrich G, Leroux C, Connors J, Bernui M, Kutzler M, Edwards C, Lee E, Lin E, Croen B, Semenza N, Rogowski B, Melnyk N, Woloszczuk K, Cusimano G, Bell M, Furukawa S, McLin R, Marrero P, Sheidy J, Tegos G, Nagle C, Mege N, Ulring K, Seyfert-Margolis V, Conway M, Francisco D, Molzahn A, Erickson H, Wilson C, Schunk R, Sierra B, Hughes T, Smolen K, Desjardins M, van Haren S, Mitre X, Cauley J, Li X, Tong A, Evans B, Montesano C, Licona J, Krauss J, Chang J, Izaguirre N, Chaudhary O, Coppi A, Fournier J, Mohanty S, Muenker M, Nelson A, Raddassi K, Rainone M, Ruff W, Salahuddin S, Schulz W, Vijayakumar P, Wang H, Wunder E, Young H, Zhao Y, Saksena M, Altman D, Kojic E, Srivastava K, Eaker L, Bermúdez-González M, Beach K, Sominsky L, Azad A, Carreño J, Singh G, Raskin A, Tcheou J, Bielak D, Kawabata H, Mulder L, Kleiner G, Lee A, Do Do E, Fernandes A, Manohar M, Hagan T, Blish C, Din H, Roque J, Yang S, Brunton A, Sullivan P, Strnad M, Lyski Z, Coulter F, Booth J, Sinko L, Moldawer L, Borresen B, Roth-Manning B, Song L, Nelson E, Lewis-Smith M, Smith J, Tipan P, Siles N, Bazzi S, Geltman J, Hurley K, Gabriele G, Sieg S, Vaysman T, Bristow L, Hussaini L, Hellmeister K, Samaha H, Cheng A, Spainhour C, Scherer E, Johnson B, Bechnak A, Ciric C, Hewitt L, Carter E, Mcnair N, Panganiban B, Huerta C, Usher J, Ribeiro S, Altman M, Becker P, Rouphael N. Phenotypes of disease severity in a cohort of hospitalized COVID-19 patients: Results from the IMPACC study. EBioMedicine 2022, 83: 104208. PMID: 35952496, PMCID: PMC9359694, DOI: 10.1016/j.ebiom.2022.104208.Peer-Reviewed Original ResearchConceptsRisk factorsRadiographic findingsFemale sexDisease severityHospitalized COVID-19 patientsSARS-CoV-2 antibodiesSARS-CoV-2 PCRLong COVID-19Presence of infiltratesInvasive mechanical ventilationCharacteristics of patientsOnly female sexViral load levelsClinical laboratory valuesCOVID-19 cohortMultivariable logistic regressionCOVID-19 patientsCoronavirus disease 2019PCR cycle thresholdCOVID-19Baseline creatinineBaseline lymphopeniaMedian ageOverall mortalityProlonged hospitalizationBiannual and Quarterly Comparison Analysis of Agglutinating Antibody Kinetics on a Subcohort of Individuals Exposed to Leptospira interrogans in Salvador, Brazil
Cruz J, Nery N, Sacramento G, Victoriano R, Montenegro A, Santana J, Costa F, Ko A, Reis M, Wunder E. Biannual and Quarterly Comparison Analysis of Agglutinating Antibody Kinetics on a Subcohort of Individuals Exposed to Leptospira interrogans in Salvador, Brazil. Frontiers In Medicine 2022, 9: 862378. PMID: 35492362, PMCID: PMC9048256, DOI: 10.3389/fmed.2022.862378.Peer-Reviewed Original ResearchMicroscopic agglutination testAntibody kineticsEndemic areasReinfection eventsSubcohort of individualsBurden of leptospirosisLife-threatening diseaseProspective cohortClinical manifestationsAsymptomatic infectionHumoral responseRisk factorsImmune responseLeptospirosis infectionAgglutination testPaucity of informationSerological surveyLeptospirosisSample collection timeInfectionLeptospira interrogansSubcohortFurther studiesHigh rateDisease
2021
Social determinants associated with Zika virus infection in pregnant women
Nery N, Ticona J, Gambrah C, Doss-Gollin S, Aromolaran A, Rastely-Júnior V, Lessa M, Sacramento GA, Cruz JS, de Oliveira D, dos Santos LL, da Silva CG, Botosso VF, Soares CP, Araujo DB, Oliveira DB, dos Santos Alves RP, Andreata-Santos R, Durigon EL, de Souza Ferreira LC, Wunder EA, Khouri R, Oliveira-Filho J, de Siqueira IC, Almeida ARP, Reis MG, Ko AI, Costa F. Social determinants associated with Zika virus infection in pregnant women. PLOS Neglected Tropical Diseases 2021, 15: e0009612. PMID: 34329305, PMCID: PMC8323902, DOI: 10.1371/journal.pntd.0009612.Peer-Reviewed Original ResearchConceptsPregnant womenSocial determinantsZIKV exposureZIKV infectionZika virusPlaque reduction neutralization testReferral maternity hospitalZika virus infectionReduction neutralization testCross-sectional studyKey social determinantsZIKV resultsClinical characteristicsMaternity hospitalRisk factorsVirus infectionExposure statusSociodemographic determinantsNeutralization testMultivariate analysisInfection riskLogistic regressionLower educationFuture interventionsInfectionMaternal outcomes and risk factors for COVID-19 severity among pregnant women
Vouga M, Favre G, Martinez-Perez O, Pomar L, Acebal LF, Abascal-Saiz A, Hernandez MRV, Hcini N, Lambert V, Carles G, Sichitiu J, Salomon L, Stirnemann J, Ville Y, de Tejada BM, Goncé A, Hawkins-Villarreal A, Castillo K, Solsona EG, Trigo L, Cleary B, Geary M, Bartels H, Al-Kharouf F, Malone F, Higgins M, Keating N, Knowles S, Poncelet C, Ribeiro-do-Valle CC, Surita F, Dantas-Silva A, Borrelli C, Luz AG, Fuenzalida J, Carvajal J, Canales MG, Hernandez O, Grechukhina O, Ko AI, Reddy U, Figueiredo R, Moucho M, Pinto PV, De Luca C, De Santis M, de Campos DA, Martins I, Garabedian C, Subtil D, Bohrer B, Da Rocha Oppermann ML, Wender MCO, Schuler-Faccini L, Sanseverino MTV, Giugliani C, Friedrich L, Scherer MH, Mottet N, Ducarme G, Pelerin H, Moreau C, Breton B, Quibel T, Rozenberg P, Giannoni E, Granado C, Monod C, Mueller D, Hoesli I, Bassler D, Heldstab S, Kölble NO, Sentilhes L, Charvet M, Deprest J, Richter J, Van der Veeken L, Eggel-Hort B, Plantefeve G, Derouich M, Calvache AJN, Lopez-Giron MC, Burgos-Luna JM, Escobar-Vidarte MF, Hecher K, Tallarek AC, Hadar E, Haratz KK, Amikam U, Malinger G, Maymon R, Yogev Y, Schäffer L, Toussaint A, Rossier MC, De Sa RAM, Grawe C, Aebi-Popp K, Radan AP, Raio L, Surbek D, Böckenhoff P, Strizek B, Kaufmann M, Bloch A, Boulvain M, Johann S, Heldstab SA, Bernasconi MT, Grant G, Feki A, Brochut AM, Giral M, Sedille L, Papadia A, Brugger RC, Weber B, Fischer T, Kahlert C, Saines KN, Cambou M, Kanellos P, Chen X, Yin M, Haessig A, Ackermann S, Baud D, Panchaud A. Maternal outcomes and risk factors for COVID-19 severity among pregnant women. Scientific Reports 2021, 11: 13898. PMID: 34230507, PMCID: PMC8260739, DOI: 10.1038/s41598-021-92357-y.Peer-Reviewed Original ResearchConceptsSevere maternal outcomesPregnant womenRisk factorsMaternal outcomesPulmonary comorbiditiesHypertensive disordersNeonatal outcomesSevere complicationsHigh riskSevere acute respiratory syndrome coronavirus 2Severe coronavirus disease-19Severe COVID-19 diseaseAcute respiratory syndrome coronavirus 2Neonatal intensive care unitSARS-CoV-2 infectionRespiratory syndrome coronavirus 2Immediate neonatal outcomeIntensive care unitSyndrome coronavirus 2COVID-19 severityCase-control studyCoronavirus disease-19SARS-CoV-2COVID-19 diseaseMaternal diseaseClinical characteristics and outcomes for 7,995 patients with SARS-CoV-2 infection
McPadden J, Warner F, Young HP, Hurley NC, Pulk RA, Singh A, Durant TJS, Gong G, Desai N, Haimovich A, Taylor RA, Gunel M, Dela Cruz CS, Farhadian SF, Siner J, Villanueva M, Churchwell K, Hsiao A, Torre CJ, Velazquez EJ, Herbst RS, Iwasaki A, Ko AI, Mortazavi BJ, Krumholz HM, Schulz WL. Clinical characteristics and outcomes for 7,995 patients with SARS-CoV-2 infection. PLOS ONE 2021, 16: e0243291. PMID: 33788846, PMCID: PMC8011821, DOI: 10.1371/journal.pone.0243291.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionYale New Haven HealthSARS-CoV-2Hospital mortalityRisk of admissionMale sexRisk factorsSARS-CoV-2 testingInvasive mechanical ventilationSevere acute respiratory syndrome virusBurden of diseaseRT-PCR testingAcademic health systemDiverse patient populationsRespiratory syndrome virusEthnic groupsAdult patientsClinical characteristicsDischarge dispositionRespiratory supportPrimary outcomeTreatment guidelinesMechanical ventilationRetrospective studyPatient populationCutting Edge: Severe SARS-CoV-2 Infection in Humans Is Defined by a Shift in the Serum Lipidome, Resulting in Dysregulation of Eicosanoid Immune Mediators
Schwarz B, Sharma L, Roberts L, Peng X, Bermejo S, Leighton I, Casanovas-Massana A, Minasyan M, Farhadian S, Ko AI, Team Y, Dela Cruz CS, Bosio CM. Cutting Edge: Severe SARS-CoV-2 Infection in Humans Is Defined by a Shift in the Serum Lipidome, Resulting in Dysregulation of Eicosanoid Immune Mediators. The Journal Of Immunology 2021, 206: ji2001025. PMID: 33277388, PMCID: PMC7962598, DOI: 10.4049/jimmunol.2001025.Peer-Reviewed Original ResearchConceptsLipid mediatorsRisk factorsSevere diseaseSevere SARS-CoV-2 infectionHospitalized COVID-19 patientsSARS-CoV-2 infectionImportant immune regulatory roleSevere COVID-19COVID-19 patientsImmune regulatory roleProinflammatory lipid mediatorsCOVID-19Immunomodulatory eicosanoidsImmune mediatorsSerum lipidomeAdvanced agePatientsCOVID-19 pandemicCytochrome P450MortalityDiseaseDysregulationMediatorsLMS productsLipidomeSpatial and Simultaneous Seroprevalence of Anti-Leptospira Antibodies in Owners and Their Domiciled Dogs in a Major City of Southern Brazil
do Nascimento Benitez A, Monica T, Miura A, Romanelli M, Giordano L, Freire R, Mitsuka-Breganó R, Martins C, Biondo A, Serrano I, Lopes T, Reis R, Gomes J, Costa F, Wunder E, Ko A, Navarro I. Spatial and Simultaneous Seroprevalence of Anti-Leptospira Antibodies in Owners and Their Domiciled Dogs in a Major City of Southern Brazil. Frontiers In Veterinary Science 2021, 7: 580400. PMID: 33490126, PMCID: PMC7820180, DOI: 10.3389/fvets.2020.580400.Peer-Reviewed Original ResearchRisk factorsAnti-Leptospira antibodiesLogistic regression analysisRisk of infectionDog casesPositive dogsHigh titersSerogroup CanicolaInfectionSeropositivityHuman casesDogsFrequent serogroupsSame titerCanicolaTitersGreater likelihoodRegression analysisSeroprevalenceCase distributionSame householdDog ownersAntibodiesPresent studySerogroups
2020
Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis
Bonner K, Cruz JS, Sacramento GA, de Oliveira D, Nery N, Carvalho M, Costa F, Childs JE, Ko AI, Diggle PJ. Effects of Accounting for Interval-Censored Antibody Titer Decay on Seroincidence in a Longitudinal Cohort Study of Leptospirosis. American Journal Of Epidemiology 2020, 190: 893-899. PMID: 33274738, PMCID: PMC8096484, DOI: 10.1093/aje/kwaa253.Peer-Reviewed Original ResearchConceptsLongitudinal cohort studyCohort studyMicroscopic agglutination test titersAgglutination test titersHigh transmission settingsPoint-source exposureSeroincidence ratesEstimates of infectionRisk factorsTest titersReported casesEpidemiologic implicationsInfection rateMean infection rateSerological samplesSerological assaysLeptospirosis casesInfectionArboviral diseasesTiter dilutionsSeroincidenceSource exposureLeptospirosisSample size estimationIntervalSeroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa
Dogonyaro BB, van Heerden H, Potts AD, Kolo BF, Lotter C, Katsande C, Fasina FO, Ko AI, Wunder EA, Adesiyun AA. Seroepidemiology of Leptospira infection in slaughtered cattle in Gauteng province, South Africa. Tropical Animal Health And Production 2020, 52: 3789-3798. PMID: 33009586, PMCID: PMC10407966, DOI: 10.1007/s11250-020-02417-0.Peer-Reviewed Original ResearchConceptsSeroprevalence of leptospirosisMicroscopic agglutination testRisk factorsCattle populationSeropositive cattleSerogroup SejroeSouth AfricaCattleCross-sectional studyLeptospira sppPublic health importancePredominant serogroupVaccine serogroupsAbattoirLivestockLeptospira infectionGauteng ProvinceCutoff titerBlood samplesLeptospirosisSejroeDemographic dataHealth importanceAgglutination testSeroprevalence
2019
Risk of Zika microcephaly correlates with features of maternal antibodies
Robbiani DF, Olsen PC, Costa F, Wang Q, Oliveira TY, Nery N, Aromolaran A, do Rosário MS, Sacramento GA, Cruz JS, Khouri R, Wunder EA, Mattos A, de Paula Freitas B, Sarno M, Archanjo G, Daltro D, Carvalho GBS, Pimentel K, de Siqueira IC, de Almeida JRM, Henriques DF, Lima JA, Vasconcelos PFC, Schaefer-Babajew D, Azzopardi SA, Bozzacco L, Gazumyan A, Belfort R, Alcântara AP, Carvalho G, Moreira L, Araujo K, Reis MG, Keesler RI, Coffey LL, Tisoncik-Go J, Gale M, Rajagopal L, Waldorf K, Dudley DM, Simmons HA, Mejia A, O’Connor D, Steinbach RJ, Haese N, Smith J, Lewis A, Colgin L, Roberts V, Frias A, Kelleher M, Hirsch A, Streblow DN, Rice CM, MacDonald MR, de Almeida ARP, Van Rompay KKA, Ko AI, Nussenzweig MC. Risk of Zika microcephaly correlates with features of maternal antibodies. Journal Of Experimental Medicine 2019, 216: 2302-2315. PMID: 31413072, PMCID: PMC6781003, DOI: 10.1084/jem.20191061.Peer-Reviewed Original ResearchConceptsMaternal antibodiesFetal brain damageSerum antibody responseZika virus infectionInfected pregnanciesMicrocephalic infantsAntibody responsePregnant macaquesRisk factorsBrain damageVirus infectionCongenital abnormalitiesLow titersBrazilian womenMicrocephalyTitersPregnancyZIKVAntibodiesBirthRiskInfantsInfectionAbnormalitiesFlavivirusesSeroprevalence, 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
2013
Household Food Insecurity and Obesity Risk in an Urban Slum in Brazil
Peterson K, de Sousa Ribeiro G, dos Reis M, Paploski I, Ko A, Salles‐Costa R, Pérez‐Escamilla R. Household Food Insecurity and Obesity Risk in an Urban Slum in Brazil. The FASEB Journal 2013, 27: 243.6-243.6. DOI: 10.1096/fasebj.27.1_supplement.243.6.Peer-Reviewed Original ResearchSevere household food insecurityAbdominal obesityHousehold food insecurityPrevalence of HHFILow fruit intakeOverweight/obeseBrazilian Food Insecurity ScaleHigh-calorie mealUrban slumsUnhealthy dietary behaviorsSelf-reported healthFood Insecurity ScaleFruit intakeObesity riskRisk factorsChronic diseasesDietary intakeDietary behaviorsHealth statusObesityFood insecurityWHO guidelinesOverweightIntakeHousehold food preparation
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
2002
Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic.
Sarkar U, Nascimento S, Barbosa R, Martins R, Nuevo H, Kalofonos I, Kalafanos I, Grunstein I, Flannery B, Dias J, Riley L, Reis M, Ko A. Population-based case-control investigation of risk factors for leptospirosis during an urban epidemic. American Journal Of Tropical Medicine And Hygiene 2002, 66: 605-10. PMID: 12201599, DOI: 10.4269/ajtmh.2002.66.605.Peer-Reviewed Original ResearchConceptsRisk factorsUrban epidemicPopulation-based case-control studyPopulation-based case-control investigationIndependent risk factorLaboratory-confirmed casesHealthy neighbourhood controlsCase-control investigationCase-control studyCases of leptospirosisSevere leptospirosisWeil's syndromeWorkplace exposuresNeighborhood controlsHigh endemicityLeptospirosisFocused interventionsMore ratsSyndromeRatsEpidemicEnvironmental sourcesComplicationsFactorsMortality
1999
Urban epidemic of severe leptospirosis in Brazil
Ko A, Reis M, Dourado C, Johnson W, Riley L, Group S. Urban epidemic of severe leptospirosis in Brazil. The Lancet 1999, 354: 820-825. PMID: 10485724, DOI: 10.1016/s0140-6736(99)80012-9.Peer-Reviewed Original ResearchConceptsDengue feverInfectious disease referral hospitalAggressive supportive careEpidemic of leptospirosisStrong independent predictorPositive blood culturesLarge urban outbreaksIdentification of leptospiresRenal insufficiencyRespiratory insufficiencySevere leptospirosisSupportive careIndependent predictorsReferral hospitalOutpatient clinicSevere anemiaSevere manifestationsActive surveillanceMental statusRisk factorsBlood culturesDiagnostic confusionUrban epidemicMicroagglutination testUrban outbreaks