2023
Population-Level Effectiveness of an Inactivated Whole-Virion COVID-19 Vaccine: A Test Negative Case-Control Study in the Dominican Republic
Pérez-Then E, Miric M, Qian H, Chen Y, Wang Y, Vallejo V, Quezada W, Flaquer M, Olivo J, Castillo J, García N, Calderón K, Cueto S, Veras B, Russo M, Jiménez I, Guzmán S, Garabito L, Cueto E, Colombo F, Taveras D, Torres D, Baez J, Yunen J, Koenig E, Pérez E, López O, Medina F, Wang X, Shao Y, Vermund S, Díaz G, Severino F, Acevedo A, Luciano J, Cuello J, Acevedo I, Espinál M, Martínez C, Díaz D, Espinál D, Almonte D, Rodríguez J, Rosa J, Reyes J, Fernández J, De Jesús Marte Mercado M, De Los Santos Carmona R, Liriano R, Heyliger A, Mejía A, Turbis A, Aquino C, José E, Del Rosario Y, Rosario C, Hermón J, Colón A, Flores A, Díaz C, Rodríguez D, Estrella J, Colón J, Reyes J, Gil L, Abbott M, de Mota M, Polanco N, Jiménez I, Santana R, Herrera S, Castellanos A, Germosén A, Fajardo F, Mercedes K, Méndez M, F S, Sánchez T, Payano Y, Gómez Y, Mejía Y, Sánchez D, Infante H, Grullón M, Lemos Y, Carpio P, Pineda C, Núñez M, Espiritusanto D, Álvarez G, Nina G, Cabrera K, Guerrero R, Mejía B, Nicolás K, Guante M, Lebrón M, Bidó M, Monción M, Brito E, Rosado S, de apoyo P, de Sosa A, Pimentel B, Feliciano D, de los Santos L, Morillo M, Mateo P, de la Cruz R, de los Ángeles García M, Tavárez Y, Luna R, Castillo Y, Ulloa E, Pérez E. Population-Level Effectiveness of an Inactivated Whole-Virion COVID-19 Vaccine: A Test Negative Case-Control Study in the Dominican Republic. Open Forum Infectious Diseases 2023, 10: ofad075. PMID: 36998630, PMCID: PMC10043129, DOI: 10.1093/ofid/ofad075.Peer-Reviewed Original ResearchSymptomatic SARS-CoV-2 infectionTest-negative case-control studyCOVID-19-related hospitalizationSARS-CoV-2 infectionCase-control studyCOVID-19 vaccineFull vaccinationAssisted ventilationPartial vaccinationLower oddsAcute respiratory syndrome coronavirus 2 infectionCoronavirus disease 2019 (COVID-19) vaccination programsInactivated COVID-19 vaccineNegative case-control studySyndrome coronavirus 2 infectionPositive polymerase chain reaction testCOVID-19-related symptomsNationwide vaccination campaignPCR-positive participantsCoronavirus 2 infectionReal-world effectivenessPolymerase chain reaction testPopulation-level effectivenessSARS-CoV-2Chain reaction test
2020
Monitoring Pharmacy and Test Kit Stocks in Rural Mozambique: U.S. President's Emergency Plan for AIDS Relief Surveillance to Help Prevent Ministry of Health Shortages
Bravo M, Peratikos MB, Muicha AS, Mahagaja E, Alvim MFS, Green AF, Wester CW, Vermund SH. Monitoring Pharmacy and Test Kit Stocks in Rural Mozambique: U.S. President's Emergency Plan for AIDS Relief Surveillance to Help Prevent Ministry of Health Shortages. AIDS Research And Human Retroviruses 2020, 36: 415-426. PMID: 31914787, PMCID: PMC7232670, DOI: 10.1089/aid.2019.0057.Peer-Reviewed Original ResearchConceptsRural Zambézia ProvinceHuman immunodeficiency virusPresident's Emergency PlanMedication supplyU.S. President's Emergency PlanTimes higher oddsMedication classesViral suppressionDiagnostic test kitsImmunodeficiency virusPharmacy dataStudy midpointOrdinal logistic regressionHigher oddsCare providersLower oddsZambézia ProvinceTuberculosis testingMonitoring of drugsLogistic regressionAIDS ReliefHealth shortagesARVEmergency plansCalendar time
2017
HIV testing and sexual risks among migrant men who have sex with men: findings from a large cross-sectional study in Beijing, China
Liu Y, Vermund SH, Ruan Y, Liu H, Zhang C, Yin L, Shao Y, Qian HZ. HIV testing and sexual risks among migrant men who have sex with men: findings from a large cross-sectional study in Beijing, China. AIDS Care 2017, 30: 86-94. PMID: 28944685, PMCID: PMC6088860, DOI: 10.1080/09540121.2017.1381331.Peer-Reviewed Original ResearchConceptsLifetime male sexual partnersCondomless receptive anal sexHIV testingMigrant MSMHIV perceptionAnal sexHIV/syphilis infectionOlder ageLarge cross-sectional studyHIV/STI riskLikelihood of syphilisHIV/syphilisInsertive anal sexReceptive anal sexCross-sectional studyMale sexual partnersSyphilis infectionHIV transmissionLocal MSMSTI riskChinese MSMLower oddsEpidemiological studiesSexual partnersRisk profile
2016
Associations of current marital status and living arrangements with HIV and syphilis risk: findings from a community-based sample of men who have sex with men in China
Liu Y, Li D, Vermund SH, Zhang C, Ruan Y, Yin L, Liu H, Amico KR, Shao Y, Qian HZ. Associations of current marital status and living arrangements with HIV and syphilis risk: findings from a community-based sample of men who have sex with men in China. AIDS Care 2016, 28: 1461-1466. PMID: 27236988, PMCID: PMC5344671, DOI: 10.1080/09540121.2016.1189502.Peer-Reviewed Original ResearchConceptsMale sex partnersSingle MSMSyphilis riskMarital statusCurrent marital statusSex partnersMultivariable logistic regression modelingReceptive anal intercourseCondomless vaginal sexCross-sectional studyLogistic regression modelingCommunity-based sampleHIV-positiveChinese MSMAnal intercourseLower oddsChinese menMarried MSMVaginal sexRisk reduction strategiesSexual partnersInfection statusMSMHIVInfection prevalenceLower HIV Risk Among Circumcised Men Who Have Sex With Men in China
Qian HZ, Ruan Y, Liu Y, Milam DF, Spiegel HM, Yin L, Li D, Shepherd BE, Shao Y, Vermund SH. Lower HIV Risk Among Circumcised Men Who Have Sex With Men in China. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2016, 71: 444-451. PMID: 26413852, PMCID: PMC4767598, DOI: 10.1097/qai.0000000000000856.Peer-Reviewed Original ResearchConceptsLower oddsHIV infectionGenital examinationMale circumcisionVoluntary medical male circumcisionLifetime male sexual partnersHIV heterosexual transmissionMale sexual transmissionLow HIV riskInsertive anal sexInsertive anal intercourseMedical male circumcisionMale sexual partnersAnal sex rolesUncircumcised menCircumcision statusHeterosexual transmissionSexual transmissionInsertive sexClinical trialsHIV riskCircumcision ratesSyphilis riskAnal intercourseLower risk
2015
Determinants of undernutrition among children aged 6 to 59 months in rural Zambézia Province, Mozambique: results of two population-based serial cross-sectional surveys
Rose ES, Blevins M, González-Calvo L, Ndatimana E, Green AF, Lopez M, Olupona O, Vermund SH, Moon TD, For the Ogumaniha-SCIP Zambézia Consortium. Determinants of undernutrition among children aged 6 to 59 months in rural Zambézia Province, Mozambique: results of two population-based serial cross-sectional surveys. BMC Nutrition 2015, 1: 41. PMID: 27182448, PMCID: PMC4864006, DOI: 10.1186/s40795-015-0039-1.Peer-Reviewed Original ResearchAge z-scoreCross-sectional surveyZ-scoreZambézia ProvincePopulation-based cross-sectional surveyRural Zambézia ProvinceSerial cross-sectional surveysHeight z-scoreOdds of stuntingAge 6 monthsPrevalence of stuntingAge 5 yearsDeterminants of undernutritionDietary diversity scoreNon-linear associationLower oddsAnthropometric measurementsGreater oddsHousehold food insecurityMultidimensional interventionsSTATA 13.1UndernutritionLogistic regressionUnderweightConclusionsA combination
2014
A-101 New Evidence that Circumcision Might Protect MSM from HIV
Vermund S, Qian H, Ruan Y, Shao Y, Liu Y, Milam D, Spiegel H, Li D, Yin L. A-101 New Evidence that Circumcision Might Protect MSM from HIV. JAIDS Journal Of Acquired Immune Deficiency Syndromes 2014, 67: 37. DOI: 10.1097/01.qai.0000456053.93927.60.Peer-Reviewed Original ResearchInsertive anal sexAnal sexUncircumcised menCircumcision statusMale circumcisionMultivariate logistic regression analysisOdds of HIVUnknown HIV statusHIV prevention strategiesCross-sectional studyInsertive anal intercourseLogistic regression analysisAnal sex rolesAdjusted riskHIV clinicSyphilis infectionHIV statusClinical trialsCircumcision ratesGenital examinationAnal intercourseLower oddsGenital examHIVPrevention strategies