1999
Serologic 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 titersSerologic Testing for Human Granulocytic Ehrlichiosis at a National Referral Center
Comer J, Nicholson W, Olson J, Childs J. Serologic Testing for Human Granulocytic Ehrlichiosis at a National Referral Center. Journal Of Clinical Microbiology 1999, 37: 558-564. PMID: 9986812, PMCID: PMC84468, DOI: 10.1128/jcm.37.3.558-564.1999.Peer-Reviewed Original ResearchConceptsHGE agentSerum samplesNational referral centerE. chaffeensis antigenSpecific etiologic agentState health departmentsE. chaffeensisHuman granulocytic ehrlichiosis (HGE) agentHuman granulocytic ehrlichiosisHuman monocytic ehrlichiosisReferral centerSerologic testingEhrlichial antigenAverage ageHealth departmentsHuman ehrlichiosisPatientsEtiologic agentProbable casesHigh titersIll individualsGranulocytic ehrlichiosisDisease controlIndirect immunofluorescenceMonocytic ehrlichiosis
1998
Human Granulocytic Ehrlichiosis in Europe: Clinical and Laboratory Findings for Four Patients from Slovenia
Lotrič-Furlan S, Petrovec M, Zupanc T, Nicholson W, Sumner J, Childs J, Strle F. Human Granulocytic Ehrlichiosis in Europe: Clinical and Laboratory Findings for Four Patients from Slovenia. Clinical Infectious Diseases 1998, 27: 424-428. PMID: 9770134, DOI: 10.1086/514683.Peer-Reviewed Original ResearchConceptsHuman granulocytic ehrlichiosisHGE agentFebrile illnessLaboratory findingsTick biteAcute human granulocytic ehrlichiosisGranulocytic ehrlichiosisTick-borne diseaseAcute infectionAntibiotic therapyDisease coursePolymerase chain reaction analysisClinical featuresDetectable antibodiesDifferential diagnosisFirst visitChain reaction analysisPatientsHigh titersIllnessEhrlichial organismsEhrlichiosisAntibodiesBiteUnited States
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 ResearchConceptsHuman 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 antibodies
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