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. akariSerologic 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 ResearchConceptsIndirect 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 infestationFort Chaffee Revisited: The Epidemiology of Tick-Borne Rickettsial and Ehrlichial Diseases at a Natural Focus
McCall C, Curns A, Rotz L, Singleton J, Treadwell T, Comer J, Nicholson W, Olson J, Childs J. Fort Chaffee Revisited: The Epidemiology of Tick-Borne Rickettsial and Ehrlichial Diseases at a Natural Focus. Vector-Borne And Zoonotic Diseases 2001, 1: 119-127. PMID: 12653142, DOI: 10.1089/153036601316977723.Peer-Reviewed Original ResearchConceptsTick-borne pathogensSerum samplesRetrospective cohort studyDetectable antibody titersPrimary risk factorRisk of transmissionFort ChaffeeFever group rickettsiaeCompatible illnessReactive EIAsTick-borne diseaseCohort studyDoxycycline useAntibody titersRisk factorsTick biteEhrlichial diseasesGroup rickettsiaeDiseaseMore pathogensProbable diseaseSeropositivityIllnessEhrlichia speciesInfection
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 titers
1998
An 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