1999
Longitudinal Human Immunodeficiency Virus Type 1 Load in the Italian Seroconversion Study: Correlates and Temporal Trends of Virus Load
Lyles C, Dorrucci M, Vlahov D, Pezzotti P, Angarano G, Sinicco A, Alberici F, Alcorn T, Vella S, Rezza G. Longitudinal Human Immunodeficiency Virus Type 1 Load in the Italian Seroconversion Study: Correlates and Temporal Trends of Virus Load. The Journal Of Infectious Diseases 1999, 180: 1018-1024. PMID: 10479126, DOI: 10.1086/314980.Peer-Reviewed Original ResearchConceptsHIV-1 loadVirus loadHuman immunodeficiency virus type 1 (HIV-1) loadHuman immunodeficiency virus type 1 (HIV-1) seroconvertersCD4 cells/microL.Low CD4 cell countsItalian Seroconversion StudyCD4 cell countCells/microL.Injection drug useCourse of diseaseReverse transcriptase-polymerase chain reactionHigh virus loadTranscriptase-polymerase chain reactionClinical AIDSMale sexProspective studyDisease progressionSeroconversion StudyCell countDrug useSustained increaseSeroconversionAIDSFrozen serumDirect Comparison of Time to AIDS and Infectious Disease Death Between HIV Seroconverter Injection Drug Users in Italy and the United States: Results From the ALIVE and ISS Studies
Pezzotti P, Galai N, Vlahov D, Rezza G, Lyles C, Astemborski J. Direct Comparison of Time to AIDS and Infectious Disease Death Between HIV Seroconverter Injection Drug Users in Italy and the United States: Results From the ALIVE and ISS Studies. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1999, 20: 275-282. PMID: 10077177, DOI: 10.1097/00042560-199903010-00010.Peer-Reviewed Original ResearchConceptsInjection drug usersDate of seroconversionYear of seroconversionMedian timeRelative hazardGroups of IDUsDrug usersInfectious diseasesCohort of IDUsFirst positive HIV testClinic-based cohortSimilar median timeHIV disease progressionProspective cohort studyPositive HIV testInjection drug useCommunity-based cohortHIV-positive individualsInfectious disease deathsTime of seroconversionDrug use characteristicsTerms of ageProportion of womenALIVE studyCohort studyIdiopathic chronic fatigue and chronic fatigue syndrome: a comparison of two case-definitions.
Arpino C, Carrieri M, Valesini G, Pizzigallo E, Rovere P, Tirelli U, Conti F, Dialmi P, Barberio A, Rusconi N, Bosco O, Lazzarin A, Saracco A, Moro M, Vlahov D. Idiopathic chronic fatigue and chronic fatigue syndrome: a comparison of two case-definitions. Annali Dell Istituto Superiore Di Sanità 1999, 35: 435-41. PMID: 10721210.Peer-Reviewed Original ResearchConceptsChronic fatigue syndromeDefinition of CFSFatigue syndromeIdiopathic chronic fatigueNumber of patientsSymptoms of individualsAcute onsetSore throatSymptomatic onsetIdiopathic fatigueChronic fatigueInfectious processEligibility criteriaPatientsSyndromeSymptomsOnsetSignsLymphadenopathyPharyngitisFatigueCasesCriteriaIndividuals
1997
Long-term Perspective on the Prevalent-Cohort Biases in Studies of Human Immunodeficiency Virus Progression
Alcabes P, Pezzotti P, Phillips A, Rezza G, Vlahov D. Long-term Perspective on the Prevalent-Cohort Biases in Studies of Human Immunodeficiency Virus Progression. American Journal Of Epidemiology 1997, 146: 543-551. PMID: 9326431, DOI: 10.1093/oxfordjournals.aje.a009312.Peer-Reviewed Original ResearchConceptsPSP cohortRelative riskSeroincident cohortHIV infectionPrevalent cohortAIDS riskAcquired immunodeficiency syndrome (AIDS) diagnosisHuman immunodeficiency virus (HIV) infectionDisease Control case definitionHuman immunodeficiency virus (HIV) progressionImmunodeficiency syndrome diagnosisImmunodeficiency virus infectionPrevalent HIV infectionProportional hazards regressionAmbulatory care clinicsRate of progressionStudies of cohortsItalian National RegistryAIDS-free subjectsObserved relative riskSeroconversion datesHIV seroconversionCare clinicsHazards regressionNational registry
1996
Tetanus and injections drug use: Rediscovery of a neglected problem?
Rezza G, Pizzuti R, De Campora E, De Masi S, Vlahov D. Tetanus and injections drug use: Rediscovery of a neglected problem? European Journal Of Epidemiology 1996, 12: 655-656. PMID: 8982630, DOI: 10.1007/bf00499469.Peer-Reviewed Original ResearchCategory of exposure to HIV and age in the progression to AIDS: longitudinal study of 1199 people with known dates of seroconversion
Pezzotti P, Phillips A, Dorrucci M, Lepri A, Galai N, Vlahov D, Rezza G. Category of exposure to HIV and age in the progression to AIDS: longitudinal study of 1199 people with known dates of seroconversion. The BMJ 1996, 313: 583. PMID: 8806246, PMCID: PMC2352019, DOI: 10.1136/bmj.313.7057.583.Peer-Reviewed Original ResearchConceptsDate of seroconversionCategories of exposureExposure categoriesOlder subjectsInjected drugsMore rapid progressionHeterosexual sexLongitudinal studyHomosexual sexHIV treatmentAIDS pathogenesisUnivariate analysisRapid progressionAge effectsYoung subjectsHomosexual menHIVRate of developmentEvidence of differencesDisease controlAIDSSeroconversionSexAgeDefinitions of CenterTemporal Trends of Initial CD4 Cell Counts Following Human Immunodeficiency Virus Seroconversion in Italy, 1985–1992
Galai N, Lepri A, Vlahov D, Pezzotti P, Sinicco A, Rezza G, Study H. Temporal Trends of Initial CD4 Cell Counts Following Human Immunodeficiency Virus Seroconversion in Italy, 1985–1992. American Journal Of Epidemiology 1996, 143: 278-282. PMID: 8561162, DOI: 10.1093/oxfordjournals.aje.a008739.Peer-Reviewed Original ResearchConceptsCD4 cell measurementsInitial CD4 cell countHuman immunodeficiency virus (HIV) seroconversionCD4 cell countCell countCD4 cell count increaseItalian Seroconversion StudyLow CD4 countMonths of seroconversionYear of seroconversionCD4 cell levelsCell count increaseMedian lag timeCD4 countCD4 levelsHIV seroconversionPositive serologyNegative serologyHIV seroconvertersClinical centersRisk groupsSeroconversion StudySeroconversionMultivariate modelLag time
1995
Interest in HIV Vaccines Among Italian Injection Drug Users
Serpelloni G, Vlahov D, Mazzi M, Rezza G. Interest in HIV Vaccines Among Italian Injection Drug Users. JAIDS Journal Of Acquired Immune Deficiency Syndromes 1995, 10: 206-207. PMID: 7552488, DOI: 10.1097/00042560-199510020-00016.Peer-Reviewed Original Research