2001
Evidence of rodent-associated Bartonella and Rickettsia infections among intravenous drug users from Central and East Harlem, New York City.
Comer J, Diaz T, Vlahov D, Monterroso E, Childs J. Evidence of rodent-associated Bartonella and Rickettsia infections among intravenous drug users from Central and East Harlem, New York City. American Journal Of Tropical Medicine And Hygiene 2001, 65: 855-60. PMID: 11791987, DOI: 10.4269/ajtmh.2001.65.855.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAnimalsAntibodies, BacterialBartonellaBartonella InfectionsCohort StudiesCross ReactionsFemaleFluorescent Antibody Technique, IndirectHIV SeropositivityHumansMaleNew York CityPrevalenceRatsRickettsiaRickettsia InfectionsSubstance Abuse, IntravenousSurveys and QuestionnairesUrban HealthConceptsInjection drug usersDrug usersGroup rickettsiaeSerum samplesIntravenous drug usersCross-adsorption studiesEast HarlemR. akari infectionPrimary etiologic agentTyphus group rickettsiaeFever group rickettsiaeIDU populationHigh prevalenceEtiologic agentNew York CityRickettsia akariBartonella henselaeAntigenTesting panelsRickettsia typhiB. henselaeBartonella quintanaR. rickettsiiRickettsia infectionR. akariPersistent 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 CooleySerumSerologic evidence of Rickettsia akari infection among dogs in a metropolitan city.
Comer J, Vargas M, Poshni I, Childs J. Serologic evidence of Rickettsia akari infection among dogs in a metropolitan city. Journal Of The American Veterinary Medical Association 2001, 218: 1780-2. PMID: 11394829, DOI: 10.2460/javma.2001.218.1780.Peer-Reviewed Original ResearchMeSH KeywordsAge FactorsAnimalsAntibodies, BacterialDog DiseasesDogsFluorescent Antibody Technique, IndirectNew York CityRickettsiaRickettsia InfectionsRisk FactorsSeroepidemiologic StudiesSurveys and QuestionnairesTick InfestationsTicksConceptsIndirect immunofluorescence antibodyEnzyme immunoassaySerum samplesPossible risk factorsFever group rickettsiaeClinical illnessRoutine careSerologic evidenceSeropositive dogsRisk factorsTime serum samplesIFA testingClinical relevanceImmunofluorescence antibodySerologic surveyRickettsia akariInfectionGroup rickettsiaeDogsTitersCausative agentVeterinary clinicsFurther studiesDog ownersTick infestation
2000
DETECTION OF ANTIBODIES REACTIVE WITH EHRLICHIA CHAFFEENSIS IN THE RACCOON
Comer J, Nicholson W, Paddock C, Sumner J, Childs J. DETECTION OF ANTIBODIES REACTIVE WITH EHRLICHIA CHAFFEENSIS IN THE RACCOON. Journal Of Wildlife Diseases 2000, 36: 705-712. PMID: 11085432, DOI: 10.7589/0090-3558-36.4.705.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialDNA, BacterialEhrlichia chaffeensisEhrlichiosisFluorescent Antibody Technique, IndirectPolymerase Chain ReactionRaccoonsSeroepidemiologic StudiesSoutheastern United States
1999
Outcome of Diagnostic Tests Using Samples from Patients with Culture-Proven Human Monocytic Ehrlichiosis: Implications for Surveillance
Childs J, Sumner J, Nicholson W, Massung R, Standaert S, Paddock C. Outcome of Diagnostic Tests Using Samples from Patients with Culture-Proven Human Monocytic Ehrlichiosis: Implications for Surveillance. Journal Of Clinical Microbiology 1999, 37: 2997-3000. PMID: 10449489, PMCID: PMC85432, DOI: 10.1128/jcm.37.9.2997-3000.1999.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, BacterialEhrlichia chaffeensisEhrlichiosisFluorescent Antibody Technique, IndirectHumansImmunoglobulin GImmunoglobulin MPolymerase Chain ReactionConceptsHuman monocytic ehrlichiosisDiagnosis of HMEConvalescent-phase serum samplesMonocytic ehrlichiosisDetection of morulaeInitial clinical presentationCulture-proven casesE. chaffeensis antigenWhole blood specimensCompatible illnessClinical presentationInitial presentationSerologic responseCase definitionHME patientsBlood specimensImmunoglobulin MPatientsBlood smearsIndirect immunofluorescenceEhrlichial DNADiagnostic testsSerum samplesProbable diseaseEhrlichia chaffeensisSerologic evidence of rickettsialpox (Rickettsia akari) infection among intravenous drug users in inner-city Baltimore, Maryland.
Comer J, Tzianabos T, Flynn C, Vlahov D, Childs J. Serologic evidence of rickettsialpox (Rickettsia akari) infection among intravenous drug users in inner-city Baltimore, Maryland. American Journal Of Tropical Medicine And Hygiene 1999, 60: 894-8. PMID: 10403316, DOI: 10.4269/ajtmh.1999.60.894.Peer-Reviewed Original ResearchMeSH KeywordsAntibodies, BacterialBaltimoreCohort StudiesCross ReactionsDrinkingFemaleFluorescent Antibody Technique, IndirectHIV SeropositivityHumansIll-Housed PersonsMaleRickettsiaRickettsia InfectionsRickettsia rickettsiiRisk FactorsSeroepidemiologic StudiesSubstance Abuse, IntravenousUrban PopulationConceptsIntravenous drug usersInner-city BaltimoreDrug usersSerologic evidenceSerum samplesAcute febrile illnessR. rickettsiiR. akariHuman immunodeficiency virusSignificant risk factorsSignificant inverse associationCross-adsorption studiesPresence of antibodiesSingle serum sampleR. akari infectionFrequency of injectionsFever group rickettsiaeFebrile illnessUndetermined etiologyImmunodeficiency virusInverse associationRisk factorsGroup-specific antibodiesDrug useHigh titers
1998
Serologic Evidence of Infection with Ehrlichia spp. in Wild Rodents (Muridae: Sigmodontinae) in the United States
Nicholson W, Muir S, Sumner J, Childs J. Serologic Evidence of Infection with Ehrlichia spp. in Wild Rodents (Muridae: Sigmodontinae) in the United States. Journal Of Clinical Microbiology 1998, 36: 695-700. PMID: 9508298, PMCID: PMC104611, DOI: 10.1128/jcm.36.3.695-700.1998.Peer-Reviewed Original ResearchRetrospective Serosurvey for Human Granulocytic Ehrlichiosis Agent in Urban White-footed Mice from Maryland
Bunnell J, Stephen D, Childs J, Glass G. Retrospective Serosurvey for Human Granulocytic Ehrlichiosis Agent in Urban White-footed Mice from Maryland. Journal Of Wildlife Diseases 1998, 34: 179-181. PMID: 9476244, DOI: 10.7589/0090-3558-34.1.179.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialBaltimoreDisease ReservoirsEhrlichiaEhrlichiosisFluorescent Antibody Technique, IndirectHumansPeromyscusRetrospective StudiesRodent DiseasesUrban Health
1997
An indirect immunofluorescence assay using a cell culture-derived antigen for detection of antibodies to the agent of human granulocytic ehrlichiosis
Nicholson W, Comer J, Sumner J, Gingrich-Baker C, Coughlin R, Magnarelli L, Olson J, Childs J. An indirect immunofluorescence assay using a cell culture-derived antigen for detection of antibodies to the agent of human granulocytic ehrlichiosis. Journal Of Clinical Microbiology 1997, 35: 1510-1516. PMID: 9163471, PMCID: PMC229776, DOI: 10.1128/jcm.35.6.1510-1516.1997.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsAntibodies, BacterialAntigens, BacterialDogsEhrlichiaEhrlichiosisFluorescent Antibody Technique, IndirectGranulocytesHL-60 CellsHumansImmune SeraMolecular Sequence DataSpecies SpecificityConceptsHuman granulocytic ehrlichiosisCell culture-derived antigenHuman antibodiesGranulocytic ehrlichiosisIndirect immunofluorescenceHGE agentAnimal-derived antigensDetection of antibodiesTick-derived isolatesPromyelocytic leukemia cell lineAntigen presentationHuman promyelocytic leukemia cell lineHealthy individualsLeukemia cell linesHGE patientsSera reactiveEhrlichia phagocytophilaHigh titersAntigenImmunofluorescence methodE. equiEhrlichia equiRoutine testingAntibodiesSpecific antibodiesSurvey of veterinary professionals and other veterinary conference attendees for antibodies to Bartonella henselae and B quintana.
Noah D, Kramer C, Verbsky M, Rooney J, Smith K, Childs J. Survey of veterinary professionals and other veterinary conference attendees for antibodies to Bartonella henselae and B quintana. Journal Of The American Veterinary Medical Association 1997, 210: 342-4. PMID: 9057914, DOI: 10.2460/javma.1997.210.03.342.Peer-Reviewed Original ResearchConceptsCat-scratch diseaseB quintanaBartonella henselaeOccupational groupsVeterinary techniciansIllness consistentPrevious diagnosisEpidemiologic characteristicsPotential confoundersOverall seroprevalenceUnknown prevalenceB henselaeEpidemiologic SurveyHospital staffCat ownershipSp infectionExposure informationSerum samplesVeterinary conferencesHenselaeSeropositivitySpecies of BartonellaSeroprevalenceInfectionUnknown duration