2001
Clinical 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 presentationPatients
1999
The Human Ehrlichioses in the United States - Volume 5, Number 5—October 1999 - Emerging Infectious Diseases journal - CDC
McQuiston J, Paddock C, Holman R, Childs J. The Human Ehrlichioses in the United States - Volume 5, Number 5—October 1999 - Emerging Infectious Diseases journal - CDC. Emerging Infectious Diseases 1999, 5: 635-642. PMID: 10511519, PMCID: PMC2627718, DOI: 10.3201/eid0505.990504.Peer-Reviewed Original ResearchConceptsHuman granulocytic ehrlichiosisHuman monocytic ehrlichiosisInfectious Diseases journal - CDCState health departmentsPublic health importanceSerologic testingNational surveillanceHealth departmentsHuman ehrlichiosesHealth importanceDisease controlGranulocytic ehrlichiosisMonocytic ehrlichiosisEhrlichiosisUpper midwestern statesAnnual numberBetter assessmentCasesPreventionDusky-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 ratsRodentsSerologic 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 ehrlichiosisDiagnosis of Human Ehrlichiosis by PCR Assay of Acute-Phase Serum
Comer J, Nicholson W, Sumner J, Olson J, Childs J. Diagnosis of Human Ehrlichiosis by PCR Assay of Acute-Phase Serum. Journal Of Clinical Microbiology 1999, 37: 31-34. PMID: 9854059, PMCID: PMC84159, DOI: 10.1128/jcm.37.1.31-34.1999.Peer-Reviewed Original ResearchConceptsDetermination of etiologyAcute-phase seraHuman granulocytic ehrlichiosisSerologic testingHuman ehrlichiosisAcute-phase serum samplesEarly detectionWhole blood specimensPCR assaysBlood specimensPCR testingEtiologic agentGranulocytic ehrlichiosisEtiologyHGE agentSimilar titersSerum samplesExposure historyTitersEhrlichia chaffeensisEhrlichiosisFourfold differenceE. chaffeensisSerumAntibodiesIdentity 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 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