2001
Analysis of Risk Factors for Fatal Rocky Mountain Spotted Fever: Evidence for Superiority of Tetracyclines for Therapy
Holman R, Paddock C, Curns A, Krebs J, McQuiston J, Childs J. Analysis of Risk Factors for Fatal Rocky Mountain Spotted Fever: Evidence for Superiority of Tetracyclines for Therapy. The Journal Of Infectious Diseases 2001, 184: 1437-1444. PMID: 11709786, DOI: 10.1086/324372.Peer-Reviewed Original ResearchConceptsRisk factorsFatal Rocky Mountain Spotted FeverRocky Mountain Spotted FeverOnset of symptomsCase fatality rateTetracycline-class antibioticsPrimary therapyClinical characteristicsOlder patientsAppropriate therapyRMSF casesNonfatal casesNational surveillanceHigh riskSpotted FeverPatientsEffective antibioticsTherapyDeathFeverAntibioticsTreatmentSymptomsFactorsDiseaseInfections with Ehrlichia chaffeensis and Ehrlichia ewingii in Persons Coinfected with Human Immunodeficiency Virus
Paddock C, Folk S, Shore G, Machado L, Huycke M, Slater L, Liddell A, Buller R, Storch G, Monson T, Rimland D, Sumner J, Singleton J, Bloch K, Tang Y, Standaert S, Childs J. Infections with Ehrlichia chaffeensis and Ehrlichia ewingii in Persons Coinfected with Human Immunodeficiency Virus. Clinical Infectious Diseases 2001, 33: 1586-1594. PMID: 11568857, DOI: 10.1086/323981.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusImmunodeficiency virusE. ewingiiE. chaffeensisCases of ehrlichiosisDiagnosis of ehrlichiosisT-lymphocyte countsCells/microL.Ehrlichia ewingiiEhrlichia chaffeensisLife-threatening illnessLymphocyte countClinical courseHIV infectionMedical managementPatient cohortSevere manifestationsPatientsLaboratory evaluationEhrlichiosisChaffeensisInfectionEwingiiMultiple factorsVirusClinical and Serological Follow-Up of Patients with Human Granulocytic Ehrlichiosis in Slovenia
Lotrič-Furlan S, Avsic-Zupanc T, Petrovec M, Nicholson W, Sumner J, Childs J, Strle F. Clinical and Serological Follow-Up of Patients with Human Granulocytic Ehrlichiosis in Slovenia. MSphere 2001, 8: 899-903. PMID: 11527800, PMCID: PMC96168, DOI: 10.1128/cdli.8.5.899-903.2001.Peer-Reviewed Original ResearchConceptsHuman granulocytic ehrlichiosisAntibody titersTick biteLong-term clinical consequencesGranulocytic ehrlichiosisIFA antibody titersOnset of feverSerological Follow-UpHigh antibody titersMost time pointsSeronegative patientsSeropositive patientsAdult patientsFebrile illnessPatients 6Initial presentationClinical outcomesAntibody responseClinical evaluationFollow-upReciprocal titersClinical consequencesSerum collectionFirst presentationPatientsProspective Assessment of the Etiology of Acute Febrile Illness after a Tick Bite in Slovenia
Lotrič-Furlan S, Petrovec M, Avsic-Zupanc T, Nicholson W, Sumner J, Childs J, Strle F. Prospective Assessment of the Etiology of Acute Febrile Illness after a Tick Bite in Slovenia. Clinical Infectious Diseases 2001, 33: 503-510. PMID: 11462187, DOI: 10.1086/322586.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAgedAged, 80 and overAnimalsBites and StingsBorrelia burgdorferi GroupCohort StudiesEhrlichiaEhrlichia chaffeensisEhrlichiosisEncephalitis Viruses, Tick-BorneEncephalitis, Tick-BorneFemaleFeverHumansLyme DiseaseMaleMiddle AgedProspective StudiesSloveniaTick-Borne DiseasesTicksConceptsFebrile illnessTick biteEhrlichia phagocytophila infectionAcute febrile illnessTickborne diseasesEvidence of infectionBorrelia burgdorferi sensu latoMeningeal involvementProspective studyClinical criteriaBurgdorferi sensu latoTickborne encephalitisProspective assessmentPatientsLaboratory evidenceImportant causeBacterial infectionsIllnessLyme borreliosisInfectionDiseaseResidents of SloveniaEtiologyBiteEncephalitis
2000
Primary Isolation of Ehrlichia chaffeensis from Patients with Febrile Illnesses: Clinical and Molecular Characteristics
Standaert S, Yu T, Scott M, Childs J, Paddock C, Nicholson W, Singleton J, Blaser M. Primary Isolation of Ehrlichia chaffeensis from Patients with Febrile Illnesses: Clinical and Molecular Characteristics. The Journal Of Infectious Diseases 2000, 181: 1082-1088. PMID: 10720534, DOI: 10.1086/315346.Peer-Reviewed Original ResearchConceptsPolymerase chain reactionE. chaffeensisCerebrospinal fluid specimensCultures of bloodHigh diagnostic yieldEhrlichia chaffeensisPrimary isolationFebrile illnessDiagnostic titerBlood isolatesDiagnostic yieldTick exposureSame patientCerebrospinal fluidPatientsFluid specimensDiagnostic testsFrequent isolationBloodChain reactionChaffeensisInfectionMolecular characteristicsMolecular analysisIsolates
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 ResearchConceptsHuman 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 chaffeensisAn outbreak of acute bartonellosis (Oroya fever) in the Urubamba region of Peru, 1998.
Ellis B, Rotz L, Leake J, Samalvides F, Bernable J, Ventura G, Padilla C, Villaseca P, Beati L, Regnery R, Childs J, Olson J, Carrillo C. An outbreak of acute bartonellosis (Oroya fever) in the Urubamba region of Peru, 1998. American Journal Of Tropical Medicine And Hygiene 1999, 61: 344-9. PMID: 10463692, DOI: 10.4269/ajtmh.1999.61.344.Peer-Reviewed Original ResearchHidden Mortality Attributable to Rocky Mountain Spotted Fever: Immunohistochemical Detection of Fatal, Serologically Unconfirmed Disease
Paddock C, Greer P, Ferebee T, Singleton J, McKechnie D, Treadwell T, Krebs J, Clarke M, Holman R, Olson J, Childs J, Zaki S. Hidden Mortality Attributable to Rocky Mountain Spotted Fever: Immunohistochemical Detection of Fatal, Serologically Unconfirmed Disease. The Journal Of Infectious Diseases 1999, 179: 1469-1476. PMID: 10228069, DOI: 10.1086/314776.Peer-Reviewed Original ResearchConceptsCase fatality ratioDiagnosis of RMSFIHC stainingRocky Mountain Spotted FeverLaboratory-confirmed casesAcute-phase seraTickborne infectionHidden mortalityIgM antibodiesDiagnostic titerPolymerase chain reactionIHC findingsPatient seraSerologic assaysImmunohistochemical stainingSpotted FeverImmunohistochemical detectionFatal diseasePatientsDisease controlIndirect immunofluorescenceNotifiable diseaseDiseaseUnderestimates of mortalityTissue samplesFamily Cluster of Rocky Mountain Spotted Fever
Jones T, Craig A, Paddock C, McKechnie D, Childs J, Zaki S, Schaffner W. Family Cluster of Rocky Mountain Spotted Fever. Clinical Infectious Diseases 1999, 28: 853-859. PMID: 10825050, DOI: 10.1086/515213.Peer-Reviewed Original ResearchSerologic 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 ehrlichiosisIdentity of Ehrlichial DNA Sequences Derived from Ixodes ricinus Ticks with Those Obtained from Patients with Human Granulocytic Ehrlichiosis in Slovenia
Petrovec M, Sumner J, Nicholson W, Childs J, Strle F, Barlič J, Lotrič-Furlan S, AvšičŽupanc T. Identity of Ehrlichial DNA Sequences Derived from Ixodes ricinus Ticks with Those Obtained from Patients with Human Granulocytic Ehrlichiosis in Slovenia. Journal Of Clinical Microbiology 1999, 37: 209-210. PMID: 9854093, PMCID: PMC84210, DOI: 10.1128/jcm.37.1.209-210.1999.Peer-Reviewed Original Research
1998
Human ehrlichiosis in central Europe.
Lotric-Furlan S, Petrovec M, Avsic-Zupanc T, Nicholson W, Sumner J, Childs J, Strle F. Human ehrlichiosis in central Europe. Wiener Klinische Wochenschrift 1998, 110: 894-7. PMID: 10048172.Peer-Reviewed Original ResearchConceptsFebrile illnessTick biteHGE agentPresence of infectionUniversity Medical CenterBlood smear examinationHuman granulocytic ehrlichiosis (HGE) agentEhrlichiosis casesAcute human diseaseClinical characteristicsAntibiotic therapyDisease coursePhysician awarenessProspective studyLaboratory findingsDifferential diagnosisMedical CenterSmear examinationHuman diseasesHuman ehrlichiosisNumber of casesPatientsHuman infectionsInfectious diseasesDiseaseHuman 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 StatesAn epidemiologic and entomologic investigation of a cluster of Rocky Mountain spotted fever cases in Delaware.
Rotz L, Callejas L, McKechnie D, Wolfe D, Gaw E, Hathcock L, Childs J. An epidemiologic and entomologic investigation of a cluster of Rocky Mountain spotted fever cases in Delaware. Delaware Medical Journal 1998, 70: 285-91. PMID: 9662871.Peer-Reviewed Original ResearchConceptsEntomologic investigationsMore symptomsTick-borne illnessCases of RMSFHealth care providersSerologic evaluationMedian ageRMSF casesClinical aspectsCare providersFever casesDelaware DivisionDisease controlFeverPatientsSymptomsTwo-week periodPrevention measuresPublic healthIllnessRiskRMSFHeadacheAttendeesYears
1997
Isolation and characterization of Ehrlichia chaffeensis strains from patients with fatal ehrlichiosis
Paddock C, Sumner J, Shore G, Bartley D, Elie R, McQuade J, Martin C, Goldsmith C, Childs J. Isolation and characterization of Ehrlichia chaffeensis strains from patients with fatal ehrlichiosis. Journal Of Clinical Microbiology 1997, 35: 2496-2502. PMID: 9316896, PMCID: PMC229999, DOI: 10.1128/jcm.35.10.2496-2502.1997.Peer-Reviewed Original ResearchConceptsE. chaffeensisDH82 cellsEhrlichia chaffeensisArkansas isolateGroESL heat shock operonFatal ehrlichiosisMechanisms of diseasePulmonary insufficiencyClinical presentationMarked thrombocytopeniaSevere diseaseEhrlichial infectionCharacteristic manifestationsPatientsDays postinoculationMolecular evaluationChaffeensisPrimary isolationRRNA gene sequencesDiseaseIsolatesSpecific associationNew isolatesGene sequencesProtein gene
1995
Cluster of five children with acute encephalopathy associated with cat-scratch disease in South Florida
NOAH D, BRESEE J, GORENSEK M, ROONEY J, CRESANTA J, REGNERY R, WONG J, DEL TORO J, OLSON J, CHILDS J. Cluster of five children with acute encephalopathy associated with cat-scratch disease in South Florida. The Pediatric Infectious Disease Journal 1995, 14: 866-869. PMID: 8584313, DOI: 10.1097/00006454-199510000-00009.Peer-Reviewed Original ResearchConceptsCat-scratch diseaseAcute encephalopathyEvaluation of childrenIndirect fluorescent antibodyRegional lymphadenopathyStatus epilepticusSingle hospitalEncephalopathy casesBartonella henselaeEncephalopathyB. henselaeFocal clustersCausative agentFluorescent antibodyStray catsDiseaseChildrenAntibodiesHenselaeHigher proportionCatsLymphadenopathyEpilepticusEncephalitisPatientsUse of Bartonella Antigens for Serologic Diagnosis of Cat-scratch Disease at a National Referral Center
Dalton M, Robinson L, Cooper J, Regnery R, Olson J, Childs J. Use of Bartonella Antigens for Serologic Diagnosis of Cat-scratch Disease at a National Referral Center. JAMA Internal Medicine 1995, 155: 1670-1676. PMID: 7542443, DOI: 10.1001/archinte.1995.00430150164017.Peer-Reviewed Original ResearchConceptsCat-scratch diseaseIndirect fluorescent antibodySerum samplesB henselaeFluorescent antibodyNational referral centerStrict clinical definitionsUse of antigensReferral centerCat contactRegional adenopathyCat scratchClinical historyFourfold riseB quintanaBasis of causeClinical definitionClinical informationDiagnostic criteriaPatientsSerologic diagnosisDisease controlBartonella henselaeCat ageDiseaseInfections Associated with Bartonella Species in Persons Infected with Human Immunodeficiency Virus
Regnery R, Childs J, Koehler J. Infections Associated with Bartonella Species in Persons Infected with Human Immunodeficiency Virus. Clinical Infectious Diseases 1995, 21: s94-s98. PMID: 8547519, DOI: 10.1093/clinids/21.supplement_1.s94.Peer-Reviewed Original ResearchConceptsHuman immunodeficiency virusImmunodeficiency virusB. henselaeCommon sense precautionsB. henselae infectionDevelopment of infectionSource of infectionB. quintana infectionHenselae infectionFatal diseaseInfectionBartonella henselaeB. quintanaBartonella quintanaTraumatic contactHenselaeBartonella speciesCatsVirusDomestic catsQuintanaMajor reservoirGenus BartonellaPatientsSan Francisco
1994
Domestic Cases of Hemorrhagic Fever with Renal Syndrome in the United States
Glass G, Watson A, LeDuc J, Childs J. Domestic Cases of Hemorrhagic Fever with Renal Syndrome in the United States. Nephron 1994, 68: 48-51. PMID: 7991040, DOI: 10.1159/000188086.Peer-Reviewed Original ResearchConceptsRenal diseaseHantaviral infectionsHemorrhagic feverRenal syndromeHypertensive renal diseasePersistent hypertensionLiver failureMild illnessClinical featuresSerologic studiesAcute diseaseSeoul virusInfectionDiseaseFeverSyndromeUnited StatesVirusFurther evidenceHypertensionNauseaVomitingPatientsIllnessDomestic cases
1993
Genetic Identification of a Hantavirus Associated with an Outbreak of Acute Respiratory Illness
Nichol S, Spiropoulou C, Morzunov S, Rollin P, Ksiazek T, Feldmann H, Sanchez A, Childs J, Zaki S, Peters C. Genetic Identification of a Hantavirus Associated with an Outbreak of Acute Respiratory Illness. Science 1993, 262: 914-917. PMID: 8235615, DOI: 10.1126/science.8235615.Peer-Reviewed Original Research