2021
Global estimates of paediatric tuberculosis incidence in 2013–19: a mathematical modelling analysis
Yerramsetti S, Cohen T, Atun R, Menzies NA. Global estimates of paediatric tuberculosis incidence in 2013–19: a mathematical modelling analysis. The Lancet Global Health 2021, 10: e207-e215. PMID: 34895517, PMCID: PMC8800006, DOI: 10.1016/s2214-109x(21)00462-9.Peer-Reviewed Original ResearchConceptsPediatric tuberculosisTuberculosis incidenceStudy periodIncident tuberculosis casesTuberculosis incidence rateReporting systemHigh-burden settingsGlobal tuberculosis burdenTuberculosis natural historyPediatric incidenceInfectious exposurePrompt diagnosisSubstantial morbidityTuberculosis burdenTuberculosis casesIncidence rateRisk factorsCase detectionGlobal incidenceProbability of infectionInfected individualsAge groupsNatural historyTuberculosisIncidence
2020
The risk of tuberculosis in children after close exposure: a systematic review and individual-participant meta-analysis
Martinez L, Cords O, Horsburgh C, Andrews J, Consortium P, Acuna-Villaorduna C, Ahuja S, Altet N, Augusto O, Baliashvili D, Basu S, Becerra M, Bonnet M, Boom W, Borgdorff M, Boulahbal F, Carvalho A, Cayla J, Chakhaia T, Chan P, Cohen T, Croda J, Datta S, del Corral H, Denholm J, Dietze R, Dobler C, Donkor S, Egere U, Ellner J, Espinal M, Evans C, Fang C, Fielding K, Fox G, García L, García-Basteiro A, Geis S, Graham S, Grandjean L, Hannoun D, Hatherill M, Hauri A, Hesseling A, Hill P, Huang L, Huerga H, Hussain R, Jarlsberg L, Jones-López E, Kato S, Kato-Maeda M, Kampmann B, Kirchner H, Kritski A, Lange C, Lee C, Lee L, Lee M, Lemos A, Lienhardt C, Ling D, Liu Q, Lo N, Long R, Lopez-Varela E, Lu P, Magee M, Malone L, Mandalakas A, Martinson N, Mazahir R, Murray M, Netto E, Otero L, Parsonnet J, Reingold A, Schaaf H, Seddon J, Sharma S, Singh J, Singh S, Sloot R, Sotgiu G, Stein C, Iqbal N, Triasih R, Trieu L, van der Loeff M, Van der Stuyft P, van Schalkwyk C, Vashishtha R, Verhagen L, Villalba J, Wang J, Whalen C, Yoshiyama T, Zar H, Zellweger J, Zhu L. The risk of tuberculosis in children after close exposure: a systematic review and individual-participant meta-analysis. The Lancet 2020, 395: 973-984. PMID: 32199484, PMCID: PMC7289654, DOI: 10.1016/s0140-6736(20)30166-5.Peer-Reviewed Original ResearchConceptsYears of agePreventive therapyIncident tuberculosisTuberculosis infectionHazard ratioTuberculosis casesMixed-effects Poisson regression modelsSystematic reviewFinal analysisClose exposureIncident tuberculosis casesRisk of tuberculosisDevelopment of tuberculosisEMBASE electronic databasesIndividual participant dataPositive resultsPoisson regression modelsWeb of ScienceMixed-effects logistic modelBCG vaccinationCohort studyBaseline visitPrevalent tuberculosisContact investigationProspective study
2018
Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis.
Cudahy PGT, Warren JL, Cohen T, Wilson D. Trends in C-Reactive Protein, D-Dimer, and Fibrinogen during Therapy for HIV-Associated Multidrug-Resistant Tuberculosis. American Journal Of Tropical Medicine And Hygiene 2018, 99: 1336-1341. PMID: 30226135, PMCID: PMC6221241, DOI: 10.4269/ajtmh.18-0322.Peer-Reviewed Original ResearchConceptsC-reactive proteinMulti-drug resistant tuberculosisD-dimerMedian C-reactive proteinSerum C-reactive proteinHigher baseline fibrinogenMDR-TB therapyHIV-positive adultsDrug-resistant tuberculosisHIV-positive participantsHigher CRP concentrationsEarly treatment modificationBaseline fibrinogenTreatment initiationResistant tuberculosisCRP concentrationsTreatment modificationTreatment outcomesTreatment responseHigh riskHigh mortalityNormal levelsOlder ageEarly responseFibrinogen
2016
Smear positivity in paediatric and adult tuberculosis: systematic review and meta-analysis
Kunkel A, Abel zur Wiesch P, Nathavitharana RR, Marx FM, Jenkins HE, Cohen T. Smear positivity in paediatric and adult tuberculosis: systematic review and meta-analysis. BMC Infectious Diseases 2016, 16: 282. PMID: 27296716, PMCID: PMC4906576, DOI: 10.1186/s12879-016-1617-9.Peer-Reviewed Original ResearchConceptsPercentage of childrenSmear positivityPooled percentageInverse variance heterogeneity modelPediatric TB casesSmear-positive TBNational TB ProgrammeBurden of TBGlobal Health databasesSputum smear microscopyActive TBAdult tuberculosisPositive TBTB casesTB programsAdult casesPROSPERO databaseSputum smearInclusion criteriaSmear microscopyHealth databasesSystematic reviewAdultsChildrenTuberculosis
2014
Age-Specific Risks of Tuberculosis Infection From Household and Community Exposures and Opportunities for Interventions in a High-Burden Setting
Zelner JL, Murray MB, Becerra MC, Galea J, Lecca L, Calderon R, Yataco R, Contreras C, Zhang Z, Grenfell BT, Cohen T. Age-Specific Risks of Tuberculosis Infection From Household and Community Exposures and Opportunities for Interventions in a High-Burden Setting. American Journal Of Epidemiology 2014, 180: 853-861. PMID: 25190676, PMCID: PMC4188339, DOI: 10.1093/aje/kwu192.Peer-Reviewed Original ResearchConceptsLatent tuberculosis infectionHousehold contactsAge-specific riskYears of ageTuberculosis infectionLarge population-based prospective cohort studyPopulation-based prospective cohort studyHousehold exposureBacillus Calmette-Guérin (BCG) vaccineIncident pulmonary tuberculosisCommunity exposureProspective cohort studyCalmette-Guérin vaccineHigh-burden settingsPublic Health CenterCommunity-based transmissionRisk of infectionCohort studyLTBI prevalencePreventive therapyPulmonary tuberculosisTuberculosis patientsTuberculosis casesHousehold transmissionExcess riskBacillus Calmette-Guérin and Isoniazid Preventive Therapy Protect Contacts of Patients with Tuberculosis
Zelner JL, Murray MB, Becerra MC, Galea J, Lecca L, Calderon R, Yataco R, Contreras C, Zhang Z, Grenfell BT, Cohen T. Bacillus Calmette-Guérin and Isoniazid Preventive Therapy Protect Contacts of Patients with Tuberculosis. American Journal Of Respiratory And Critical Care Medicine 2014, 189: 853-859. PMID: 24592878, PMCID: PMC4225829, DOI: 10.1164/rccm.201310-1896oc.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overAntitubercular AgentsBCG VaccineChildChild, PreschoolContact TracingFemaleFollow-Up StudiesHumansInfantIsoniazidMaleMiddle AgedModels, StatisticalModels, TheoreticalMultivariate AnalysisOdds RatioPeruProspective StudiesTreatment OutcomeTuberculosis, PulmonaryYoung AdultConceptsIsoniazid preventive therapyAge-specific efficacyLatent TB infectionIncident tuberculosisHousehold contactsTB diseaseTB infectionPulmonary tuberculosisRisk ratioUse of IPTObservational prospective cohort studyBacillus Calmette-Guérin (BCG) vaccinationHigh TB burden settingsAdditional TB casesHIV-positive contactsIncident pulmonary tuberculosisHIV-negative childrenProspective cohort studyPublic Health CenterBacillus Calmette-GuérinYear-long followWorld Health OrganizationCohort studyPreventive therapyTB cases
2011
Epidemiologic Inference From the Distribution of Tuberculosis Cases in Households in Lima, Peru
Brooks-Pollock E, Becerra MC, Goldstein E, Cohen T, Murray MB. Epidemiologic Inference From the Distribution of Tuberculosis Cases in Households in Lima, Peru. The Journal Of Infectious Diseases 2011, 203: 1582-1589. PMID: 21592987, PMCID: PMC3096792, DOI: 10.1093/infdis/jir162.Peer-Reviewed Original ResearchConceptsHousehold contactsCommunity transmissionHousehold casesPrevious TB infectionNew TB casesHigh-incidence settingsHousehold risk factorsClustering of casesDistribution of casesMajority of casesRisk of diseaseTB infectionActive tuberculosisTB casesCase patientsProtective immunityTuberculosis casesHousehold transmissionRisk factorsNumber of casesHousehold exposureNatural historyTuberculosisCross-sectional dataImmunity
2008
Too Little of a Good Thing
Cohen T, Lipsitch M. Too Little of a Good Thing. Epidemiology 2008, 19: 588-589. PMID: 18552592, PMCID: PMC2652751, DOI: 10.1097/ede.0b013e31817734ba.Peer-Reviewed Original Research