Annick Borquez

Title(s)Associate Adjunct Professor, Medicine
SchoolVc-health Sciences-schools
Address9500 Gilman Drive #
La Jolla CA 92093
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    Annick Bórquez, MSc, PhD, is an HIV and drug use epidemiologist at the division of Infectious Diseases and Global Public Health at UCSD. Her research seeks to improve the health of marginalized populations through developing, applying and integrating mathematical modeling, cost effectiveness and qualitative methods to better understand, predict and respond to intersecting epidemics of drug use disorders, overdose, HIV, HCV and other associated health harms; with a focus on social and structural determinants of health. She has led multiple studies to inform intervention and policy planning in HIV and substance use among people who inject drugs, justice involved populations, female sex workers, men who have sex with men and transgender women in a range of settings, including Mexico, Peru, West and Sub-Saharan Africa, India, Russia and the United States.

    Dr. Bórquez has a background in medical microbiology from the University of Edinburgh and holds an MSc. and a PhD. in epidemiology from the department of Infectious Disease Epidemiology at Imperial College London. She has long standing collaborations with the HIV Modelling Consortium at Imperial College London, UNAIDS, the Universidad Cayetano Heredia in Peru and is currently a visiting fellow at the National Drug and Alcohol Research Center (NDARC) at the University of New South Wales, Australia.

    She is the principal investigator of a National Institute on Drug Abuse (NIDA) Avenir 5 year grant to adapt emerging infectious diseases methods including internet/big data analysis and mathematical modeling, to the field of drug use to better understand, predict and respond to emerging drug use epidemics and associated harms in the United States.

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    Real-time prediction of emerging drug use epidemics in the United States
    NIH DP2DA049295Jul 1, 2019 - May 31, 2024
    Role: Principal Investigator

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    Collapse Publications
    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Drug checking in the fentanyl era: Utilization and interest among people who inject drugs in San Diego, California. Int J Drug Policy. 2023 08; 118:104086. Bailey K, Abramovitz D, Artamonova I, Davidson P, Stamos-Buesig T, Vera CF, Patterson TL, Arredondo J, Kattan J, Bergmann L, Thihalolipavan S, Strathdee SA, Borquez A. PMID: 37295217; PMCID: PMC10527490.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    2. Estimating the impact of a police education program on hepatitis C virus transmission and disease burden among people who inject drugs in Tijuana, Mexico: A dynamic modeling analysis. Addiction. 2023 09; 118(9):1763-1774. Rivera Saldana CD, Abramovitz D, Beletsky L, Borquez A, Kiene S, Marquez LK, Patton T, Strathdee S, Zúñiga ML, Martin NK, Cepeda J. PMID: 37039246; PMCID: PMC10524658.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCells
    3. "A lotta people switched playing hard ball to playing Russian roulette": Experiences with rising overdose incidence caused by drug supply changes during the COVID-19 pandemic in the San Diego-Tijuana border metroplex. Drug Alcohol Depend Rep. 2023 Jun; 7:100154. Valasek CJ, Streuli SA, Pines HA, Strathdee SA, Borquez A, Bourgois P, Stamos-Buesig T, Vera CF, Harvey-Vera A, Bazzi AR. PMID: 37089868; PMCID: PMC10113744.
      View in: PubMed   Mentions: 2  
    4. Modelling the contribution of incarceration and public health oriented drug law reform to HCV transmission and elimination among PWID in Tijuana, Mexico. Int J Drug Policy. 2022 Dec; 110:103878. Saldana CDR, Beletsky L, Borquez A, Kiene SM, Marquez LK, Strathdee SA, Zúñiga ML, Cepeda J, Martin NK. PMID: 36242829; PMCID: PMC9841890.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCellsPHPublic Health
    5. Commentary on Savinkina et al.: Reforming drug 'detox' centers-what will it entail and where do we begin? Addiction. 2022 09; 117(9):2462-2463. Borquez A. PMID: 35916376.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    6. Fatal overdose: Predicting to prevent. Int J Drug Policy. 2022 06; 104:103677. Borquez A, Martin NK. PMID: 35550852; PMCID: PMC9347029.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    7. Using Economic Evaluation to Inform Responses to the Opioid Epidemic in the United States: Challenges and Suggestions for Future Research. Subst Use Misuse. 2022; 57(5):815-821. Patton T, Revill P, Sculpher M, Borquez A. PMID: 35157549; PMCID: PMC8969147.
      View in: PubMed   Mentions: 3     Fields:    Translation:HumansPHPublic Health
    8. Hepatitis C elimination among people who inject drugs in Mexico during the COVID-19 pandemic. Gac Med Mex. 2022; 158(2):110-113. Márquez LK, Borquez A, Fleiz C, Magis-Rodríguez C, Rangel G, Strathdee SA, Martin NK. PMID: 35763823; PMCID: PMC10589063.
      View in: PubMed   Mentions:    Fields:    Translation:HumansCellsPHPublic Health
    9. Assessing HIV and overdose risks for people who use drugs exposed to compulsory drug abstinence programs (CDAP): A systematic review and meta-analysis. Int J Drug Policy. 2021 10; 96:103401. Vo AT, Magana C, Hickman M, Borquez A, Beletsky L, Martin NK, Cepeda JA. PMID: 34389218; PMCID: PMC9027650.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    10. Municipal police support for harm reduction services in officer-led referrals of people who inject drugs in Tijuana, Mexico. Harm Reduct J. 2021 07 26; 18(1):76. Baker P, Arredondo J, Borquez A, Clairgue E, Mittal ML, Morales M, Rocha-Jimenez T, Garfein R, Oren E, Pitpitan E, Strathdee SA, Beletsky L, Cepeda JA. PMID: 34311765; PMCID: PMC8313001.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansCTClinical Trials
    11. Impact of cumulative incarceration and the post-release period on syringe-sharing among people who inject drugs in Tijuana, Mexico: a longitudinal analysis. Addiction. 2021 10; 116(10):2724-2733. Rivera Saldana CD, Beletsky L, Borquez A, Kiene SM, Strathdee SA, Zúñiga ML, Martin NK, Cepeda J. PMID: 33620749; PMCID: PMC8380753.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    12. What is needed to achieve HCV microelimination among HIV-infected populations in Andalusia, Spain: a modeling analysis. BMC Infect Dis. 2020 Aug 08; 20(1):588. Skaathun B, Borquez A, Rivero-Juarez A, Mehta SR, Tellez F, Castaño-Carracedo M, Merino D, Palacios R, Macías J, Rivero A, Martin NK. PMID: 32770955; PMCID: PMC7414743.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    13. Estimating the contribution of stimulant injection to HIV and HCV epidemics among people who inject drugs and implications for harm reduction: A modeling analysis. Drug Alcohol Depend. 2020 Aug 01; 213:108135. Cepeda JA, Vickerman P, Bruneau J, Zang G, Borquez A, Farrell M, Degenhardt L, Martin NK. PMID: 32603976; PMCID: PMC7829087.
      View in: PubMed   Mentions: 8     Fields:    
    14. Prevalence and Correlates of Injecting with Visitors from the United States Among People Who Inject Drugs in Tijuana, Mexico. J Immigr Minor Health. 2019 Dec; 21(6):1200-1207. Bórquez A, Garfein RS, Abramovitz D, Liu L, Beletsky L, Werb D, Mehta SR, Rangel G, Magis-Rodríguez C, González-Zúñiga P, Strathdee SA. PMID: 30771144; PMCID: PMC6697237.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    15. Opioid agonist treatment scale-up and the initiation of injection drug use: A dynamic modeling analysis. PLoS Med. 2019 11; 16(11):e1002973. Marks C, Borquez A, Jain S, Sun X, Strathdee SA, Garfein RS, Milloy MJ, DeBeck K, Cepeda JA, Werb D, Martin NK. PMID: 31770373; PMCID: PMC6879119.
      View in: PubMed   Mentions: 12     Fields:    Translation:Humans
    16. The impact and cost-effectiveness of combined HIV prevention scenarios among transgender women sex-workers in Lima, Peru: a mathematical modelling study. Lancet Public Health. 2019 03; 4(3):e127-e136. Bórquez A, Guanira JV, Revill P, Caballero P, Silva-Santisteban A, Kelly S, Salazar X, Bracamonte P, Minaya P, Hallett TB, Cáceres CF. PMID: 30683587; PMCID: PMC6447307.
      View in: PubMed   Mentions: 9     Fields:    Translation:Humans
    17. Mathematical modeling of hepatitis c virus (HCV) prevention among people who inject drugs: A review of the literature and insights for elimination strategies. J Theor Biol. 2019 11 21; 481:194-201. Pitcher AB, Borquez A, Skaathun B, Martin NK. PMID: 30452959; PMCID: PMC6522340.
      View in: PubMed   Mentions: 17     Fields:    Translation:HumansCells
    18. The effect of public health-oriented drug law reform on HIV incidence in people who inject drugs in Tijuana, Mexico: an epidemic modelling study. Lancet Public Health. 2018 09; 3(9):e429-e437. Borquez A, Beletsky L, Nosyk B, Strathdee SA, Madrazo A, Abramovitz D, Rafful C, Morales M, Cepeda J, Panagiotoglou D, Krebs E, Vickerman P, Claude Boily M, Thomson N, Martin NK. PMID: 30122559; PMCID: PMC6211569.
      View in: PubMed   Mentions: 22     Fields:    Translation:HumansPHPublic Health
    19. Potential impact of implementing and scaling up harm reduction and antiretroviral therapy on HIV prevalence and mortality and overdose deaths among people who inject drugs in two Russian cities: a modelling study. Lancet HIV. 2018 10; 5(10):e578-e587. Cepeda JA, Eritsyan K, Vickerman P, Lyubimova A, Shegay M, Odinokova V, Beletsky L, Borquez A, Hickman M, Beyrer C, Martin NK. PMID: 30033374; PMCID: PMC6188805.
      View in: PubMed   Mentions: 18     Fields:    Translation:Humans
    20. Implementation of pre-exposure prophylaxis for human immunodeficiency virus infection: progress and emerging issues in research and policy. J Int AIDS Soc. 2016; 19(7(Suppl 6)):21108. Cáceres CF, Borquez A, Klausner JD, Baggaley R, Beyrer C. PMID: 27760685; PMCID: PMC5071779.
      View in: PubMed   Mentions: 24     Fields:    Translation:HumansPHPublic Health
    21. The Incidence Patterns Model to Estimate the Distribution of New HIV Infections in Sub-Saharan Africa: Development and Validation of a Mathematical Model. PLoS Med. 2016 09; 13(9):e1002121. Bórquez A, Cori A, Pufall EL, Kasule J, Slaymaker E, Price A, Elmes J, Zaba B, Crampin AC, Kagaayi J, Lutalo T, Urassa M, Gregson S, Hallett TB. PMID: 27622516; PMCID: PMC5021265.
      View in: PubMed   Mentions: 11     Fields:    Translation:Humans
    22. Peru's HIV care continuum among men who have sex with men and transgender women: opportunities to optimize treatment and prevention. Int J STD AIDS. 2016 10; 27(12):1039-1048. Chow JY, Konda KA, Borquez A, Caballero P, Silva-Santisteban A, Klausner JD, Cáceres CF. PMID: 27099168; PMCID: PMC6352964.
      View in: PubMed   Mentions: 32     Fields:    Translation:HumansPHPublic Health
    23. Circular labor migration and HIV in India: exploring heterogeneity in bridge populations connecting areas of high and low HIV infection prevalence. J Infect Dis. 2014 Dec 01; 210 Suppl 2:S556-61. Rai T, Lambert HS, Borquez AB, Saggurti N, Mahapatra B, Ward H. PMID: 25381375; PMCID: PMC4231641.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansPHPublic Health
    24. HIV risk and preventive interventions in transgender women sex workers. Lancet. 2015 Jan 17; 385(9964):274-86. Poteat T, Wirtz AL, Radix A, Borquez A, Silva-Santisteban A, Deutsch MB, Khan SI, Winter S, Operario D. PMID: 25059941; PMCID: PMC4320978.
      View in: PubMed   Mentions: 176     Fields:    Translation:Humans
    25. Using modeling to inform international guidelines for antiretroviral treatment. AIDS. 2014 Jan; 28 Suppl 1:S1-4. Hallett TB, Menzies NA, Revill P, Keebler D, Bórquez A, McRobie E, Eaton JW. PMID: 24468942.
      View in: PubMed   Mentions: 10     Fields:    Translation:Humans
    26. Cost-effectiveness of different strategies to monitor adults on antiretroviral treatment: a combined analysis of three mathematical models. Lancet Glob Health. 2014 Jan; 2(1):e35-43. Keebler D, Revill P, Braithwaite S, Phillips A, Blaser N, Borquez A, Cambiano V, Ciaranello A, Estill J, Gray R, Hill A, Keiser O, Kessler J, Menzies NA, Nucifora KA, Vizcaya LS, Walker S, Welte A, Easterbrook P, Doherty M, Hirnschall G, Hallett TB. PMID: 25104633; PMCID: PMC4404633.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    27. The cost and impact of scaling up pre-exposure prophylaxis for HIV prevention: a systematic review of cost-effectiveness modelling studies. PLoS Med. 2013; 10(3):e1001401. Gomez GB, Borquez A, Case KK, Wheelock A, Vassall A, Hankins C. PMID: 23554579; PMCID: PMC3595225.
      View in: PubMed   Mentions: 115     Fields:    Translation:HumansPHPublic Health
    28. The potential impact of pre-exposure prophylaxis for HIV prevention among men who have sex with men and transwomen in Lima, Peru: a mathematical modelling study. PLoS Med. 2012; 9(10):e1001323. Gomez GB, Borquez A, Caceres CF, Segura ER, Grant RM, Garnett GP, Hallett TB. PMID: 23055836; PMCID: PMC3467261.
      View in: PubMed   Mentions: 52     Fields:    Translation:Humans
    29. [Estimation and analysis of HIV incidence in the adult population in Peru: results of application of the MoT mathematical model]. Rev Peru Med Exp Salud Publica. 2012 Oct-Dec; 29(4):452-60. Alarcón JO, Pun M, Gutiérrez C, Whittembury A, Tejada R, Suárez L, Rosell G, Bórquez A, Cuchi P. PMID: 23338629.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    30. Understanding the modes of transmission model of new HIV infection and its use in prevention planning. Bull World Health Organ. 2012 Nov 01; 90(11):831-838A. Case KK, Ghys PD, Gouws E, Eaton JW, Borquez A, Stover J, Cuchi P, Abu-Raddad LJ, Garnett GP, Hallett TB, HIV Modelling Consortium. PMID: 23226895; PMCID: PMC3506404.
      View in: PubMed   Mentions: 31     Fields:    Translation:Humans
    31. Condom use by female sex workers and their clients in Mexico: who decides and does it matter? Sex Transm Infect. 2011 Apr; 87(3):254-6. Bórquez A, Hallett TB, Gomez GB, Garnett GP. PMID: 21270067; PMCID: PMC3272887.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
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