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
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 testInterrogansParasitesPopulationSignificant Genetic Impacts Accompany an Urban Rat Control Campaign in Salvador, Brazil
Richardson J, Silveira G, Medrano I, Arietta A, Mariani C, Pertile A, Pereira T, Childs J, Ko A, Costa F, Caccone A. Significant Genetic Impacts Accompany an Urban Rat Control Campaign in Salvador, Brazil. Frontiers In Ecology And Evolution 2019, 7: 115. DOI: 10.3389/fevo.2019.00115.Peer-Reviewed Original Research
2001
Persistent infection in Neotoma fuscipes (Muridae: Sigmodontinae) with Ehrlichia phagocytophila sensu lato.
Castro M, Nicholson W, Kramer V, Childs J. Persistent infection in Neotoma fuscipes (Muridae: Sigmodontinae) with Ehrlichia phagocytophila sensu lato. American Journal Of Tropical Medicine And Hygiene 2001, 65: 261-7. PMID: 11693866, DOI: 10.4269/ajtmh.2001.65.261.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialArachnid VectorsBase SequenceBorrelia burgdorferiCaliforniaDisease ReservoirsDNA, BacterialEhrlichiaEhrlichiosisFemaleFluorescent Antibody Technique, IndirectHeat-Shock ProteinsHumansIxodesMaleMicePolymerase Chain ReactionRatsRodent DiseasesSeasonsSeroepidemiologic StudiesSigmodontinaeZoonosesConceptsPolymerase chain reaction testingGroESL heat shock operonPersistent infectionReaction testingRatsE. phagocytophilaLyme diseaseBorrelia burgdorferiMiceSeropositive animalsDusky-footed wood ratsPCRWood ratsSeroreversionSensu latoSeroconversionSeropositiveBiopsySerologySeroreactivityInfectionDiseaseBloodAdult Ixodes pacificus CooleySerum
1999
Dusky-Footed Wood Rats (Neotoma fuscipes) as Reservoirs of Granulocytic Ehrlichiae (Rickettsiales: Ehrlichieae) in Northern California
Nicholson W, Castro M, Kramer V, Sumner J, Childs J. Dusky-Footed Wood Rats (Neotoma fuscipes) as Reservoirs of Granulocytic Ehrlichiae (Rickettsiales: Ehrlichieae) in Northern California. Journal Of Clinical Microbiology 1999, 37: 3323-3327. PMID: 10488199, PMCID: PMC85556, DOI: 10.1128/jcm.37.10.3323-3327.1999.Peer-Reviewed Original ResearchConceptsBlood samplesBlood specimensDusky-footed wood ratsConcurrent high prevalenceSeronegative blood samplesHuman granulocytic ehrlichiosisGroESL heat shock operonGranulocytic ehrlichiaePCR-positive animalsPCR positivityHigh prevalencePCR-positive ticksSeropositive specimensRat blood samplesRatsGranulocytic ehrlichiosisEhrlichial DNAPacificus adultsEhrlichia equiEhrlichial agentsMicePCR assaysAdultsWood ratsRodentsEXPERIMENTAL INFECTION OF COTTON RATS WITH THREE NATURALLY OCCURRING BARTONELLA SPECIES
Kosoy M, Regnery R, Kosaya O, Childs J. EXPERIMENTAL INFECTION OF COTTON RATS WITH THREE NATURALLY OCCURRING BARTONELLA SPECIES. Journal Of Wildlife Diseases 1999, 35: 275-284. PMID: 10231754, DOI: 10.7589/0090-3558-35.2.275.Peer-Reviewed Original ResearchConceptsCotton ratsHigh dosesLow dosesBartonella sppHigh IgG titersHumoral immune responseHigh antibody titersGroups of ratsKinetics of infectionChallenge antigenIgG titersAntibody titersDetectable bacteremiaSecondary challengeImmune responseLow doseHigh doseHigher bacteremiaBacteremiaExperimental infectionSame rodent speciesRatsEvidence of resistanceInactivated bacteriaPeak bacteremia
1998
ISOLATION OF BARTONELLA SPP. FROM EMBRYOS AND NEONATES OF NATURALLY INFECTED RODENTS
Kosoy M, Regnery R, Kosaya O, Jones D, Marston E, Childs J. ISOLATION OF BARTONELLA SPP. FROM EMBRYOS AND NEONATES OF NATURALLY INFECTED RODENTS. Journal Of Wildlife Diseases 1998, 34: 305-309. PMID: 9577777, DOI: 10.7589/0090-3558-34.2.305.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAnimals, NewbornAntibodies, BacterialBacteremiaBartonellaBartonella InfectionsCitrate (si)-SynthaseColony Count, MicrobialEmbryo, MammalianFemaleFetal DiseasesInfectious Disease Transmission, VerticalPeromyscusPhylogenyPlacentaPregnancyPregnancy Complications, InfectiousRodent DiseasesSigmodontinae
1995
Isolation of black creek canal virus, a new hantavirus from Sigmodon hispidus in Florida
Rollin P, Ksiazek T, Elliott L, Ravkov E, Martin M, Morzunov S, Livingstone W, Monroe M, Glass G, Ruo S, Khan A, Childs J, Nichol S, Peters C. Isolation of black creek canal virus, a new hantavirus from Sigmodon hispidus in Florida. Journal Of Medical Virology 1995, 46: 35-39. PMID: 7623004, DOI: 10.1002/jmv.1890460108.Peer-Reviewed Original ResearchConceptsBlack Creek Canal virusReverse transcriptase-polymerase chain reaction assaysNew hantavirusCotton ratsTranscriptase-polymerase chain reaction assaysVero E6 cellsHantavirus pulmonary syndrome casesVirologic studiesChain reaction assaysHantavirus antigensHigh seroprevalenceSyndrome casesE6 cellsSpleen homogenatesRT-PCRReaction assaysDirect RT-PCRVirusSerologic relationshipHantavirusesRatsRodentsSigmodon hispidusDade CountySeroprevalence
1991
Human-rodent contact and infection with lymphocytic choriomeningitis and Seoul viruses in an inner-city population.
Childs J, Glass G, Ksiazek T, Rossi C, Oro J, Leduc J. Human-rodent contact and infection with lymphocytic choriomeningitis and Seoul viruses in an inner-city population. American Journal Of Tropical Medicine And Hygiene 1991, 44: 117-21. PMID: 1672798, DOI: 10.4269/ajtmh.1991.44.117.Peer-Reviewed Original ResearchConceptsLymphocytic choriomeningitis virusSeoul virusRodent-borne virusesHuman-rodent contactHistory of travelInner-city populationDisease clinicRodent exposureLymphocytic choriomeningitisAntibody prevalenceNeutralization testSerological testsAntibodiesVirusHigh rateInfectionRatsMore exposureExposureQuestionnaire responsesChoriomeningitisClinicPrevalenceMicePersons
1989
Serologic evidence of hantaviral infections within small mammal communities of Baltimore, Maryland: spatial and temporal patterns and host range.
Korch G, Childs J, Glass G, Rossi C, LeDuc J. Serologic evidence of hantaviral infections within small mammal communities of Baltimore, Maryland: spatial and temporal patterns and host range. American Journal Of Tropical Medicine And Hygiene 1989, 41: 230-40. PMID: 2570533, DOI: 10.4269/ajtmh.1989.41.230.Peer-Reviewed Original Research
1988
Association of intraspecific wounding with hantaviral infection in wild rats (Rattus norvegicus)
Glass G, Childs J, Korch G, LeDuc J. Association of intraspecific wounding with hantaviral infection in wild rats (Rattus norvegicus). Epidemiology And Infection 1988, 101: 459-472. PMID: 3141203, PMCID: PMC2249393, DOI: 10.1017/s0950268800054418.Peer-Reviewed Original ResearchConceptsSerological statusProspective sero-epidemiological studyIncidence of seroconversionSero-epidemiological studiesPresence of woundsHantaviral infectionsUnwounded animalsSignificant associationSeroconversionRat ageEnvironmental exposuresNorway ratsLongitudinal studyRatsInfectionWild Norway ratsWild ratsAssociationAnimalsSeroprevalenceIncidence
1987
Prospective seroepidemiology of hantaviruses and population dynamics of small mammal communities of Baltimore, Maryland.
Childs J, Glass G, Korch G, LeDuc J. Prospective seroepidemiology of hantaviruses and population dynamics of small mammal communities of Baltimore, Maryland. American Journal Of Tropical Medicine And Hygiene 1987, 37: 648-62. PMID: 2891308, DOI: 10.4269/ajtmh.1987.37.648.Peer-Reviewed Original ResearchConceptsHigh IFA titersProspective seroepidemiological studyIndirect fluorescent antibody titersFluorescent antibody titersEvidence of transmissionTransmission of hantavirusesIndividual blood samplesAntibody titersSeroepidemiological studyIncidence rateAntibody prevalenceBlood samplesIFA titersMean incidenceRatsVirus transmissionHantavirusesMature animalsWhite-footed miceMiceTitersMonthsRodentsEPIZOOTIOLOGY OF HANTAVIRUS INFECTIONS IN BALTIMORE: ISOLATION OF A VIRUS FROM NORWAY RATS, AND CHARACTERISTICS OF INFECTED RAT POPULATIONS
CHILDS J, KORCH G, GLASS G, LEDUC J, SHAH K. EPIZOOTIOLOGY OF HANTAVIRUS INFECTIONS IN BALTIMORE: ISOLATION OF A VIRUS FROM NORWAY RATS, AND CHARACTERISTICS OF INFECTED RAT POPULATIONS. American Journal Of Epidemiology 1987, 126: 55-68. PMID: 3109236, DOI: 10.1093/oxfordjournals.aje.a114662.Peer-Reviewed Original ResearchConceptsHantavirus infectionGeometric mean titersPrevalence of antibodiesAntibody prevalence ratesAntibody reactivity patternsMonoclonal antibody reactivity patternsAge-related mechanismsMean titersSerologic testsHigh prevalenceInfected ratsPrevalence ratesPresence of ratsRatsInfectionEnzootic natureUrban ratsSix-year periodHuman exposureRat massVirusPrevalenceAntibodiesHantavirusesUnited States
1985
Geographical distribution and age related prevalence of antibody to Hantaan-like virus in rat populations of Baltimore, Maryland, USA.
Childs J, Terry A, Leduc J, Korch G, Smith G. Geographical distribution and age related prevalence of antibody to Hantaan-like virus in rat populations of Baltimore, Maryland, USA. American Journal Of Tropical Medicine And Hygiene 1985, 34: 385-7. PMID: 3885776, DOI: 10.4269/ajtmh.1985.34.385.Peer-Reviewed Original Research