Judy Hahn, PhD, MA

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Judy Hahn, PhD, MA

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Professor, School of Medicine
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I am a Professor in Residence in the HIV, ID, and Global Medicine Division in the Department of Medicine. Substance use plays important biological and behavioral roles in health outcomes, and my work consists of epidemiology at the intersection of substance use and infectious diseases. My research team is currently conducting several NIH-funded studies to examine the use of TB prophylaxis in HIV/TB co-infected alcohol users, as well as interventions to reduce drinking and increase antiretroviral therapy adherence. We are using novel biomarkers of alcohol consumption and INH pill-taking to gain objective measurements where self-report is problematic. I am also teaching and mentoring via a K-24 award, and grant-writing courses in Epidemiology and Biostatistics and the UCSF CTSI KL2 Scholars Program.
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  1. Hahn JA, Wylie D, Dill J, Sanchez MS, Lloyd-Smith JO, Page-Shafer K, Getz WM. Potential impact of vaccination on the hepatitis C virus epidemic in injection drug users. Epidemics. 2009 Mar; 1(1):47-57.
    http://www.ncbi.nlm.nih.gov/pubmed/19181458
  2. Fialho M, Messias M, Page-Shafer K, Farre L, Schmalb M, Pedral-Sampaio D, Ramos M, Brites C. Prevalence and risk of blood-borne and sexually transmitted viral infections in incarcerated youth in Salvador, Brazil: opportunity and obligation for intervention. AIDS Behav. 2008 Jul; 12(4 Suppl):S17-24.
    http://www.ncbi.nlm.nih.gov/pubmed/18368610
  3. Miranda AE, Figueiredo NC, Schmidt R, Page-Shafer K. A population-based survey of the prevalence of HIV, syphilis, hepatitis B and hepatitis C infections, and associated risk factors among young women in Vitória, Brazil. AIDS Behav. 2008 Jul; 12(4 Suppl):S25-31.
    http://www.ncbi.nlm.nih.gov/pubmed/18233994
  4. Lum PJ, Hahn JA, Shafer KP, Evans JL, Davidson PJ, Stein E, Moss AR. Hepatitis B virus infection and immunization status in a new generation of injection drug users in San Francisco. J Viral Hepat. 2008 Mar; 15(3):229-36.
    http://www.ncbi.nlm.nih.gov/pubmed/18163214
  5. Page-Shafer K, Pappalardo BL, Tobler LH, Phelps BH, Edlin BR, Moss AR, Wright TL, Wright DJ, O'Brien TR, Caglioti S, Busch MP. Testing strategy to identify cases of acute hepatitis C virus (HCV) infection and to project HCV incidence rates. J Clin Microbiol. 2008 Feb; 46(2):499-506.
    http://www.ncbi.nlm.nih.gov/pubmed/17980513
  6. Hahn JA, Page-Shafer K, Ford J, Paciorek A, Lum PJ. Traveling young injection drug users at high risk for acquisition and transmission of viral infections. Drug Alcohol Depend. 2008 Jan 11; 93(1-2):43-50.
    http://www.ncbi.nlm.nih.gov/pubmed/17968651
  7. Hahn JA, Page-Shafer K, Ford J, Paciorek A, Lum PJ. Traveling young injection drug users at high risk for acquisition and transmission of viral infections. Drug Alcohol Depend. 2008 Jan 11; 93(1-2):43-50.
    http://www.ncbi.nlm.nih.gov/pubmed/17721105
  8. Page-Shafer K, Hahn JA, Lum PJ. Preventing hepatitis C virus infection in injection drug users: risk reduction is not enough. AIDS. 2007 Sep 12; 21(14):1967-9.
    http://www.ncbi.nlm.nih.gov/pubmed/17537997
  9. Page-Shafer K, Hahn JA, Lum PJ. Preventing hepatitis C virus infection in injection drug users: risk reduction is not enough. AIDS. 2007 Sep 12; 21(14):1967-9.
    http://www.ncbi.nlm.nih.gov/pubmed/17493654
  10. Bernardin F, Stramer SL, Rehermann B, Page-Shafer K, Cooper S, Bangsberg DR, Hahn J, Tobler L, Busch M, Delwart E. High levels of subgenomic HCV plasma RNA in immunosilent infections. Virology. 2007 Sep 01; 365(2):446-56.
    http://www.ncbi.nlm.nih.gov/pubmed/17471423
  11. Hahn JA. Sex, drugs, and hepatitis C virus. J Infect Dis. 2007 Jun 01; 195(11):1556-9.
    http://www.ncbi.nlm.nih.gov/pubmed/16808781
  12. Page-Shafer K, Sweet S, Kassaye S, Ssali C. (C2) Saliva, breast milk, and mucosal fluids in HIV transmission. Adv Dent Res. 2006 Apr 01; 19(1):152-7.
    http://www.ncbi.nlm.nih.gov/pubmed/16565643
  13. Kittikraisak W, Davidson PJ, Hahn JA, Lum PJ, Evans JL, Moss AR, Page-Shafer K. . Incarceration among young injectors in San Francisco: associations with risk for hepatitis C virus infection. Journal of Substance Use. 2006; 4(11):271-281.
  14. Bacon O, Lum P, Hahn J, Evans J, Davidson P, Moss A, Page-Shafer K. Commercial sex work and risk of HIV infection among young drug-injecting men who have sex with men in San Francisco. Sex Transm Dis. 2006 Apr; 33(4):228-34.
    http://www.ncbi.nlm.nih.gov/pubmed/16186453
  15. Levy V, Page-Shafer K, Evans J, Ruiz J, Morrow S, Reardon J, Lynch M, Raymond HF, Klausner JD, Facer M, Molitor F, Allen B, Ajufo BG, Ferrero D, Sanford GB, McFarland W, HeyMan Study Team . HIV-related risk behavior among Hispanic immigrant men in a population-based household survey in low-income neighborhoods of northern California. Sex Transm Dis. 2005 Aug; 32(8):487-90.
    http://www.ncbi.nlm.nih.gov/pubmed/15961257
  16. Pan ES, Diep BA, Charlebois ED, Auerswald C, Carleton HA, Sensabaugh GF, Perdreau-Remington F. Population dynamics of nasal strains of methicillin-resistant Staphylococcus aureus--and their relation to community-associated disease activity. J Infect Dis. 2005 Sep 01; 192(5):811-8.
    http://www.ncbi.nlm.nih.gov/pubmed/15577419
  17. Srikantiah P, Charlebois E, Havlir DV. Rapid increase in tuberculosis incidence soon after infection with HIV--a new twist in the twin epidemics. J Infect Dis. 2005 Jan 15; 191(2):147-9.
    http://www.ncbi.nlm.nih.gov/pubmed/15486844
  18. Oyugi JH, Byakika-Tusiime J, Charlebois ED, Kityo C, Mugerwa R, Mugyenyi P, Bangsberg DR. Multiple validated measures of adherence indicate high levels of adherence to generic HIV antiretroviral therapy in a resource-limited setting. J Acquir Immune Defic Syndr. 2004 Aug 15; 36(5):1100-2.
    http://www.ncbi.nlm.nih.gov/pubmed/15061745
  19. Moss AR, Hahn JA, Perry S, Charlebois ED, Guzman D, Clark RA, Bangsberg DR. Adherence to highly active antiretroviral therapy in the homeless population in San Francisco: a prospective study. Clin Infect Dis. 2004 Oct 15; 39(8):1190-8.
    http://www.ncbi.nlm.nih.gov/pubmed/14974750
  20. Hammer GP, Kellogg TA, McFarland WC, Wong E, Louie B, Williams I, Dilley J, Page-Shafer K, Klausner JD. Low incidence and prevalence of hepatitis C virus infection among sexually active non-intravenous drug-using adults, San Francisco, 1997-2000. Sex Transm Dis. 2003 Dec; 30(12):919-24.
    http://www.ncbi.nlm.nih.gov/pubmed/12773355
  21. Turner KR, McFarland W, Kellogg TA, Wong E, Page-Shafer K, Louie B, Dilley J, Kent CK, Klausner J. Incidence and prevalence of herpes simplex virus type 2 infection in persons seeking repeat HIV counseling and testing. Sex Transm Dis. 2003 Apr; 30(4):331-4.
    http://www.ncbi.nlm.nih.gov/pubmed/12612103
  22. Lum PJ, Ochoa KC, Hahn JA, Page Shafer K, Evans JL, Moss AR, UFO Study . Hepatitis B virus immunization among young injection drug users in San Francisco, Calif: the UFO Study. Am J Public Health. 2003 Jun; 93(6):919-23.
    http://www.ncbi.nlm.nih.gov/pubmed/12447014
  23. Evans JL, Hahn JA, Page-Shafer K, Lum PJ, Stein ES, Davidson PJ, Moss AR. Gender differences in sexual and injection risk behavior among active young injection drug users in San Francisco (the UFO Study). J Urban Health. 2003 Mar; 80(1):137-46.
    http://www.ncbi.nlm.nih.gov/pubmed/12472634
  24. Hahn JA, Page-Shafer K, Lum PJ, Bourgois P, Stein E, Evans JL, Busch MP, Tobler LH, Phelps B, Moss AR. Hepatitis C virus seroconversion among young injection drug users: relationships and risks. J Infect Dis. 2002 Dec 01; 186(11):1558-64.
    http://www.ncbi.nlm.nih.gov/pubmed/12447730
  25. Moon MW, Binson D, Page-Shafer K, Díaz R. Correlates of HIV risk in a random sample of street youths in San Francisco. J Assoc Nurses AIDS Care. 2001 Nov-Dec; 12(6):18-27.
    http://www.ncbi.nlm.nih.gov/pubmed/11431749