2023
Bartonella in Norway rats (Rattus norvegicus) from the urban slum environment in Brazil
Zeppelini C, Oliveira D, Kosoy M, Reis M, Ko A, Childs J, Costa F. Bartonella in Norway rats (Rattus norvegicus) from the urban slum environment in Brazil. Anais Da Academia Brasileira De Ciências 2023, 95: e20220809. PMID: 37909607, DOI: 10.1590/0001-3765202320220809.Peer-Reviewed Original Research
2022
Rickettsial Infections Causing Acute Febrile Illness in Urban Slums, Brazil - Volume 28, Number 10—October 2022 - Emerging Infectious Diseases journal - CDC
Fournier JB, Blanton LS, Nery N, Wunder EA, Costa F, Reis MG, Ribeiro GS, Walker DH, Ko AI. Rickettsial Infections Causing Acute Febrile Illness in Urban Slums, Brazil - Volume 28, Number 10—October 2022 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 2022, 28: 2132-2134. PMID: 36148970, PMCID: PMC9514363, DOI: 10.3201/eid2810.220497.Peer-Reviewed Original ResearchStructural 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 distribution
2021
Leptospira interrogans biofilm formation in Rattus norvegicus (Norway rats) natural reservoirs
Santos A, dos Santos Ribeiro P, da França G, Souza F, Ramos E, Figueira C, Reis M, Costa F, Ristow P. Leptospira interrogans biofilm formation in Rattus norvegicus (Norway rats) natural reservoirs. PLOS Neglected Tropical Diseases 2021, 15: e0009736. PMID: 34495971, PMCID: PMC8451993, DOI: 10.1371/journal.pntd.0009736.Peer-Reviewed Original ResearchConceptsRenal tubulesPathogenic LeptospiraPathogenesis of leptospirosisMain reservoir hostsNatural animal reservoirsBacterial carriageChronic colonizationLeptospiral colonizationRenal carriageAnimal reservoirsLeptospira interrogansLeptospirosisUrban slumsCausative agentLeptospiraTubulesPossible roleReservoir hostsCarriageNatural reservoirBiofilm formationOcclusion patternsBacterial survivalHost reservoirsR. norvegicus
2019
Coinfection modifies carriage of enzootic and zoonotic parasites in Norway rats from an urban slum
Carvalho‐Pereira T, Souza F, do Nascimento Santos L, Pedra G, Minter A, Bahiense T, Reis M, Ko A, Childs J, da Silva E, Costa F, Begon M. Coinfection modifies carriage of enzootic and zoonotic parasites in Norway rats from an urban slum. Ecosphere 2019, 10 DOI: 10.1002/ecs2.2887.Peer-Reviewed Original ResearchUrban slumsLoad of parasitesZoonotic parasitesUrban ratsStrongyloides spBrazilian urban slumsIntensity of infectionReduced prevalenceNippostrongylus brasiliensisCoinfectionSignificant associationInfection riskRatsNematode Angiostrongylus cantonensisAngiostrongylus cantonensisInfectionNorway ratsEggs/larvaeCantonensisZoonotic pathogensCorrelation testInterrogansParasitesPopulation
2016
Factors affecting carriage and intensity of infection of Calodium hepaticum within Norway rats (Rattus norvegicus) from an urban slum environment in Salvador, Brazil
WALKER R, CARVALHO-PEREIRA T, SERRANO S, PEDRA G, HACKER K, TAYLOR J, MINTER A, PERTILE A, PANTI-MAY A, CARVALHO M, SOUZA FN, NERY N, RODRIGUES G, BAHIENSE T, REIS MG, KO AI, CHILDS JE, BEGON M, COSTA F. Factors affecting carriage and intensity of infection of Calodium hepaticum within Norway rats (Rattus norvegicus) from an urban slum environment in Salvador, Brazil. Epidemiology And Infection 2016, 145: 334-338. PMID: 27780498, PMCID: PMC6247895, DOI: 10.1017/s0950268816002259.Peer-Reviewed Original ResearchConceptsIntensity of infectionNorway ratsIndependent risk factorC. hepaticumHumans of exposureUrban slum environmentsCalodium hepaticumUrban slum areaSlum areasLiver involvementMammalian hostsRisk factorsInfective eggsRatsCarriage levelsSignificant riskInfectionUrban slumsCarriageFurther studiesSub-standard living conditionsRiskZoonotic pathogensSlum environmentRodent-borne zoonotic pathogensLeptospira in breast tissue and milk of urban Norway rats (Rattus norvegicus)
DE OLIVEIRA D, FIGUEIRA CP, ZHAN L, PERTILE AC, PEDRA GG, GUSMÃO IM, WUNDER EA, RODRIGUES G, RAMOS EA, KO AI, CHILDS JE, REIS MG, COSTA F. Leptospira in breast tissue and milk of urban Norway rats (Rattus norvegicus). Epidemiology And Infection 2016, 144: 2420-2429. PMID: 27019024, PMCID: PMC5437553, DOI: 10.1017/s0950268816000637.Peer-Reviewed Original ResearchConceptsPolymerase chain reactionBreast tissuePresence of leptospiresNorway ratsMajor public health concernMilk-borne transmissionMajor pathological changesReal-time polymerase chain reactionPublic health concernQuantitative real-time polymerase chain reactionPathogenic Leptospira sppBreast tissue samplesChronic carriagePathological changesLactating ratsRatsHealth concernImmunofluorescence assaysLeptospira sppGenus LeptospiraTissue samplesUrban slumsChain reactionLeptospiresLeptospira