Jennifer Velloza, PhD, MPH
Assistant Professor
Epidemiology & Biostatistics
School of Medicine

In her current NIH-funded projects, Dr. Velloza uses implementation science, epidemiology, and behavioral science methods to design, evaluate, and scale-up integrated psychotherapy and HIV pre-exposure prophylaxis (PrEP) delivery models. She collaborates primarily with teams in South Africa and Kenya for this work. Dr. Velloza is also the Associate Program Director for Curriculum for the Implementation Science Training Program and is a faculty member with the Partnerships for Research in Implementation Science for Equity (PRISE) Center.

• Provider perspectives on service delivery modifications to maintain access to HIV pre-exposure prophylaxis during the COVID-19 pandemic: qualitative results from a PrEP implementation project in Kenya.
  Journal of the International AIDS Society 2023 Velloza J, Roche SD, Owidi EJ, Irungu EM, Dollah A, Kwach B, Thuo NB, Morton JF, Mugo N, Bukusi EA, O'Malley G, Ngure K, Baeten JM, Mugwanya KK, Partners Scale-Up Project Team
• Advancing considerations of context in the evaluation and implementation of evidence-based biomedical HIV prevention interventions: a review of recent research.
  Current opinion in HIV and AIDS 2022 Velloza J, Roche S, Concepcion T, Ortblad KF
• Perinatal Depressive Symptoms and Viral Non-suppression Among a Prospective Cohort of Pregnant Women Living with HIV in Nigeria, Kenya, Uganda, and Tanzania.
  AIDS and behavior 2022 Concepcion T, Velloza J, Kemp CG, Bhat A, Bennett IM, Rao D, Polyak CS, Ake JA, Esber A, Dear N, Maswai J, Owuoth J, Sing'oei V, Bahemana E, Iroezindu M, Kibuuka H, Collins PY
• Alignment of PrEP adherence with periods of HIV risk among adolescent girls and young women in South Africa and Zimbabwe: a secondary analysis of the HPTN 082 randomised controlled trial.
  The lancet. HIV 2022 Velloza J, Donnell D, Hosek S, Anderson PL, Chirenje ZM, Mgodi N, Bekker LG, Marzinke MA, Delany-Moretlwe S, Celum C
• Acceptability Assessment in HIV Prevention and Treatment Intervention and Service Delivery Research: A Systematic Review and Qualitative Analysis.
  AIDS and behavior 2022 Ortblad KF, Sekhon M, Wang L, Roth S, van der Straten A, Simoni JM, Velloza J
• A novel "HIV salience and Perception" scale is associated with PrEP dispensing and adherence among adolescent girls and young women in Kampala, Uganda.
  AIDS and behavior 2022 Velloza J, Mujugira A, Muwonge T, Boyer J, Nampewo O, Badaru J, Ssebuliba T, Stalter RM, Stein G, Baeten JM, Celum C, Heffron R
• Adaptive HIV pre-exposure prophylaxis adherence interventions for young South African women: Study protocol for a sequential multiple assignment randomized trial.
  PloS one 2022 Velloza J, Poovan N, Ndlovu N, Khoza N, Morton JF, Omony J, Mkwanazi E, Grabow C, Donnell D, Munthali R, Baeten JM, Hosek S, Celum C, Delany-Moretlwe S
• Disclosure and help-seeking behaviors related to sexual and physical violence in childhood and adolescence: Results from the Namibia Violence Against Children and Youth Survey.
  Child abuse & neglect 2022 Velloza J, Davies L, Ensminger A, Theofelus FM, Andjamba H, Kamuingona R, Nakuta J, Uiras W, Massetti G, Coomer R, Wolkon A, Forster N, O'Malley G
• Cycles of Violence Among Young Women in Namibia: Exploring the Links Between Childhood Violence and Adult Intimate Partner Violence From the Violence Against Children and Youth Survey.
  Journal of interpersonal violence 2022 Velloza J, Davies LD, Ensminger AL, Theofelus FM, Andjamba H, Kamuingona R, Masseti G, Coomer R, Forster N, O'Malley G
• Multi-level Interventions to Promote Oral Pre-exposure Prophylaxis Use Among Adolescent Girls and Young Women: a Review of Recent Research.
  Current HIV/AIDS reports 2021 Irungu E, Khoza N, Velloza J
• Assessing longitudinal patterns of depressive symptoms and the influence of symptom trajectories on HIV pre-exposure prophylaxis adherence among adolescent girls in the HPTN 082 randomized controlled trial.
  Journal of the International AIDS Society 2021 Velloza J, Hosek S, Donnell D, Anderson PL, Chirenje M, Mgodi N, Bekker LG, Delany-Moretlwe S, Celum C, HPTN 082 study group
• Intervening for HIV prevention and mental health: a review of global literature.
  Journal of the International AIDS Society 2021 Collins PY, Velloza J, Concepcion T, Oseso L, Chwastiak L, Kemp CG, Simoni J, Wagenaar BH
• Use of fertility awareness methods as a component of safer conception for women in HIV-serodifferent relationships in Kenya.
  Reproductive health 2021 Zia Y, Velloza J, Oluoch L, Momanyi R, Mbugua S, Njoroge J, Gakuo S, Mugo E, Thuo N, Kiptinness C, Njuguna N, Ngure K, R Mugo N, Heffron R
• Interventions to improve daily medication use among adolescents and young adults: what can we learn for youth pre-exposure prophylaxis services?
  AIDS (London, England) 2021 Velloza J, Kapogiannis B, Bekker LG, Celum C, Hosek S, Delany-Moretlwe S, Baggaley R, Dalal S
• Narrative sexual histories and perceptions of HIV risk among young women taking PrEP in southern Africa: Findings from a novel participatory method.
  Social science & medicine (1982) 2020 Scorgie F, Khoza N, Delany-Moretlwe S, Velloza J, Mangxilana N, Atujuna M, Chitukuta M, Matambanadzo KV, Hosek S, Makhale L, Celum C
• Alignment of PrEP use and effective contraceptive use among East African women in HIV serodiscordant partnerships.
  International journal of STD & AIDS 2020 Ngure K, Velloza J, Patel RC, Mugo NR, Bukusi EA, Haberer JE, Odoyo J, Celum C, Baeten JM, Heffron R
• The Effect of Depression on Adherence to HIV Pre-exposure Prophylaxis Among High-Risk South African Women in HPTN 067/ADAPT.
  AIDS and behavior 2020 Velloza J, Heffron R, Amico KR, Rowhani-Rahbar A, Hughes JP, Li M, Dye BJ, Celum C, Bekker LG, Grant RM, HPTN 067/ADAPT Study Team
• Alcohol Use and Antiretroviral Therapy Non-Adherence Among Adults Living with HIV/AIDS in Sub-Saharan Africa: A Systematic Review and Meta-Analysis.
  AIDS and behavior 2020 Velloza J, Kemp CG, Aunon FM, Ramaiya MK, Creegan E, Simoni JM
• The influence of HIV-related stigma on PrEP disclosure and adherence among adolescent girls and young women in HPTN 082: a qualitative study.
  Journal of the International AIDS Society 2020 Velloza J, Khoza N, Scorgie F, Chitukuta M, Mutero P, Mutiti K, Mangxilana N, Nobula L, Bulterys MA, Atujuna M, Hosek S, Heffron R, Bekker LG, Mgodi N, Chirenje M, Celum C, Delany-Moretlwe S, HPTN 082…
• Cognitive testing of the PHQ-9 for depression screening among pregnant and postpartum women in Kenya.
  BMC psychiatry 2020 Velloza J, Njoroge J, Ngure K, Thuo N, Kiptinness C, Momanyi R, Ayub S, Gakuo S, Mugo N, Simoni J, Heffron R
• Knowledge of HIV Status Is Associated With a Decrease in the Severity of Depressive Symptoms Among Female Sex Workers in Uganda and Zambia.
  Journal of acquired immune deficiency syndromes (1999) 2020 Ortblad KF, Musoke DK, Chanda MM, Ngabirano T, Velloza J, Haberer JE, McConnell M, Oldenburg CE, Bärnighausen T
• Short- and Long-Term Pharmacologic Measures of HIV Pre-exposure Prophylaxis Use Among High-Risk Men Who Have Sex With Men in HPTN 067/ADAPT.
  Journal of acquired immune deficiency syndromes (1999) 2019 Velloza J, Bacchetti P, Hendrix CW, Murnane P, Hughes JP, Li M, Curlin ME, Holtz TH, Mannheimer S, Marzinke MA, Amico KR, Liu A, Piwowar-Manning E, Eshleman SH, Dye BJ, Gandhi M, Grant RM, HPTN 067/…
• Comprehensive HIV risk reduction interventions for 2020 and beyond: product choices and effective service-delivery platforms for individual needs and population-level impact.
  Current opinion in HIV and AIDS 2019 Velloza J, Delany-Moretlwe S, Baeten JM
• Associations Between Anxiety and Adherence to Antiretroviral Medications in Low- and Middle-Income Countries: A Systematic Review and Meta-analysis.
  AIDS and behavior 2019 Wykowski J, Kemp CG, Velloza J, Rao D, Drain PK
• High Global Burden and Costs of Bacterial Vaginosis: A Systematic Review and Meta-Analysis.
  Sexually transmitted diseases 2019 Peebles K, Velloza J, Balkus JE, McClelland RS, Barnabas RV
• Implementation of a comprehensive safer conception intervention for HIV-serodiscordant couples in Kenya: uptake, use and effectiveness.
  Journal of the International AIDS Society 2019 Heffron R, Ngure K, Velloza J, Kiptinness C, Quame-Amalgo J, Oluch L, Thuo N, Njoroge J, Momanyi R, Gakuo S, Mbugua S, Morrison S, Haugen H, Chohan B, Celum C, Baeten JM, Mugo N
• A clinic-based tablet application to support safer conception among HIV serodiscordant couples in Kenya: feasibility and acceptability study.
  mHealth 2019 Velloza J, Ngure K, Kiptinness C, Quame-Amaglo J, Thuo N, Dew K, Kimani M, Gakuo S, Unger JA, Kolko B, Baeten JM, Celum C, Mugo N, Heffron R
• Implementation of eHealth Interventions Across the HIV Care Cascade: a Review of Recent Research.
  Current HIV/AIDS reports 2018 Kemp CG, Velloza J
• Effect of Depression on Adherence to Oral PrEP Among Men and Women in East Africa.
  Journal of acquired immune deficiency syndromes (1999) 2018 Velloza J, Baeten JM, Haberer J, Ngure K, Irungu E, Mugo NR, Celum C, Heffron R, Partners Demonstration Project Team
• Estimating the Magnitude of the Relation Between Bullying, E-Bullying, and Suicidal Behaviors Among United States Youth, 2015.
  Crisis 2018 Kuehn KS, Wagner A, Velloza J
• Intimate Partner Violence and Self-Reported Pre-exposure Prophylaxis Interruptions Among HIV-Negative Partners in HIV Serodiscordant Couples in Kenya and Uganda.
  Journal of acquired immune deficiency syndromes (1999) 2018 Cabral A, M Baeten J, Ngure K, Velloza J, Odoyo J, E Haberer J, Celum C, Muwonge T, Asiimwe S, Heffron R, Partners Demonstration Project Team
• HIV-Risk Behaviors and Social Support Among Men and Women Attending Alcohol-Serving Venues in South Africa: Implications for HIV Prevention.
  AIDS and behavior 2017 Velloza J, Watt MH, Abler L, Skinner D, Kalichman SC, Dennis AC, Sikkema KJ
• The Vaginal Microbiome and its Potential to Impact Efficacy of HIV Pre-exposure Prophylaxis for Women.
  Current HIV/AIDS reports 2017 Velloza J, Heffron R
• Depression and ART Initiation Among HIV Serodiscordant Couples in Kenya and Uganda.
  AIDS and behavior 2017 Velloza J, Celum C, Haberer JE, Ngure K, Irungu E, Mugo N, Baeten JM, Heffron R, Partners Demonstration Project Team
• Implementation research on HIV adherence interventions: no time to wait.
  The Lancet. Infectious diseases 2017 Simoni JM, Aunon FM, Kemp CG, Kutner BA, Ramaiya MK, Velloza J, Yang JP
• Stages and Processes of Change Utilized by Female Sex Workers Participating in an Alcohol-Reduction Intervention in Mombasa, Kenya.
  Substance use & misuse 2015 Velloza J, L'Engle K, Mwarogo P, Chokwe J, Magaria L, Sinkele W, Kingola N
• Adherence during antiviral treatment regimens for chronic hepatitis C: a qualitative study of patient-reported facilitators and barriers.
  Journal of clinical gastroenterology 2015 Evon DM, Golin CE, Bonner JE, Grodensky C, Velloza J
• Development of an intervention to improve mental health for obstetric fistula patients in Tanzania.
  Evaluation and program planning 2015 Watt MH, Wilson SM, Sikkema KJ, Velloza J, Mosha MV, Masenga GG, Bangser M, Browning A, Nyindo PM
• HIV/AIDS-related stigma in South African alcohol-serving venues and its potential impact on HIV disclosure, testing and treatment-seeking behaviours.
  Global public health 2015 Velloza J, Watt MH, Choi KW, Abler L, Kalichman SC, Skinner D, Pieterse D, Sikkema KJ
• Maladaptive coping mediates the influence of childhood trauma on depression and PTSD among pregnant women in South Africa.
  Archives of women's mental health 2015 Choi KW, Sikkema KJ, Velloza J, Marais A, Jose C, Stein DJ, Watt MH, Joska JA
• Experiences of forced sex among female patrons of alcohol-serving venues in a South African township.
  Journal of interpersonal violence 2014 Watt MH, Sikkema KJ, Abler L, Velloza J, Eaton LA, Kalichman SC, Skinner D, Pieterse D
• "It's better for me to drink, at least the stress is going away": perspectives on alcohol use during pregnancy among South African women attending drinking establishments.
  Social science & medicine (1982) 2014 Watt MH, Eaton LA, Choi KW, Velloza J, Kalichman SC, Skinner D, Sikkema KJ
• A qualitative assessment of emergency department patients' knowledge, beliefs, attitudes, and acceptance toward revised HIV testing strategies.
  Academic emergency medicine : official journal of the Society for Academic Emergency Medicine 2013 Cowan E, Leider J, Velastegui L, Wexler J, Velloza J, Calderon Y
• Intranasal delivery of caspase-9 inhibitor reduces caspase-6-dependent axon/neuron loss and improves neurological function after stroke.
  The Journal of neuroscience : the official journal of the Society for Neuroscience 2011 Akpan N, Serrano-Saiz E, Zacharia BE, Otten ML, Ducruet AF, Snipas SJ, Liu W, Velloza J, Cohen G, Sosunov SA, Frey WH, Salvesen GS, Connolly ES, Troy CM