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    Chongyi Wei, DrPH

    TitleAssistant Professor
    SchoolUCSF School of Medicine
    DepartmentEpidemiology & Biostatistics
    Address550 16th. Street
    San Francisco CA 94158
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      Collapse Biography 
      Collapse Education and Training
      University of PittsburghDrPHBehavioral and Community Health Sciences2009

      Collapse Overview 
      Collapse Overview
      Dr. Chongyi Wei is an Assistant Professor in the Department of Epidemiology and Biostatistics. He received his doctorate degree and post-doctoral training in the Department of Behavioral and Community Health Sciences at the University of Pittsburgh Graduate School of Public Health. Dr. Wei’s primary research focuses on the epidemiology and prevention of HIV/AIDS among men who have sex with men (MSM) in China/Asia and in the US.

      In China/Asia, Dr. Wei’s research focuses on creating innovative strategies to increase HIV testing uptake among MSM and improve access to care and treatment and reduce sexual risk taking among HIV-infected MSM. He is PI/Co-PI of NIH-funded studies to increase HIV testing uptake and strengthen linkage to care among MSM in three provinces in China. He also has on-going research projects with Shandong University/China, University of North Carolina’s China Program, and Jiangsu Provincial CDC/China. These projects involve behavioral epidemiology of HIV/AIDS among MSM and transgender women, and intervention feasibility and efficacy studies targeting MSM and ethnic minority women.

      In the US, Dr. Wei focuses on racial/ethnic disparities of HIV among MSM. He has been collaborating with the San Francisco Department of Public Health on several projects including examining racial/ethnic differences and trends in seroadaptive behaviors among MSM in San Francisco, the effectiveness of recruitment strategies to reach African American MSM for HIV prevention research, and protective factors or resilience among Asia/Pacific Islander MSM.

      In addition to research, Dr. Wei serves as faculty mentor and external training advisory board member on three NIH-funded training grants; member of the Office of AIDS Research Racial and Ethnic Populations Planning Committee; executive committee member of the UCSF AIDS Research Institute; ad hoc reviewer for NIMH Special Emphasis HIV/AIDS Review Panels (2013-15); academic editor for PLoS One; and peer reviewer for over 20 scientific journals.

      Collapse Interests
      HIV/AIDS, global health, health disparities, men who have sex with men, intervention design and development, behavioral health, LGBT health, evaluation research, social epidemiology, implementation science

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      Collapse Global Health
      Collapse Featured Publications

      Collapse Bibliographic 
      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.
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      1. Liu C, Mao J, Wong T, Tang W, Tso LS, Tang S, Zhang Y, Zhang W, Qin Y, Chen Z, Ma W, Kang D, Li H, Liao M, Mollan K, Hudgens M, Bayus B, Huang S, Yang B, Wei C, Tucker JD. Comparing the effectiveness of a crowdsourced video and a social marketing video in promoting condom use among Chinese men who have sex with men: a study protocol. BMJ Open. 2016 Oct 3; 6(10):e010755. PMID: 27697868.
        View in: PubMed
      2. Aung T, Wei C, McFarland W, Aung YK, Khin HS, et al. Ownership and Use of Insecticide-Treated Nets among People Living in Malaria Endemic Areas of Eastern Myanmar. PLoS One. 2016; 11(9):e0162292. PMID: 27618440.
        View in: PubMed
      3. Li H, Marley G, Ma W, Wei C, Lackey M, Ma Q, Renaud F, Vitoria M, Beanland R, Doherty M, Tucker JD, et al. The Role of ARV Associated Adverse Drug Reactions in Influencing Adherence Among HIV-Infected Individuals: A Systematic Review and Qualitative Meta-Synthesis. AIDS Behav. 2016 Sep 9. PMID: 27613645.
        View in: PubMed
      4. Aung T, Lwin MM, Sudhinaraset M, Wei C. Rural and urban disparities in health-seeking for fever in Myanmar: findings from a probability-based household survey. Malar J. 2016; 15(1):386. PMID: 27456488.
        View in: PubMed
      5. Tang W, Best J, Zhang Y, Liu FY, Tso LS, Huang S, Yang B, Wei C, Tucker JD, et al. Gay mobile apps and the evolving virtual risk environment: a cross-sectional online survey among men who have sex with men in China. Sex Transm Infect. 2016 Jun 9. PMID: 27288414.
        View in: PubMed
      6. Tucker JD, Cao B, Li H, Tang S, Tang W, Wong NS, Wei C. Social Media Interventions to Promote HIV Testing. Clin Infect Dis. 2016 Jul 15; 63(2):282-3. PMID: 27161778.
        View in: PubMed
      7. Tang W, Han L, Best J, Zhang Y, Mollan K, Kim J, Liu F, Hudgens M, Bayus B, Terris-Prestholt F, Galler S, Yang L, Peeling R, Volberding P, Ma B, Xu H, Yang B, Huang S, Fenton K, Wei C, Tucker JD. Crowdsourcing HIV Test Promotion Videos: A Noninferiority Randomized Controlled Trial in China. Clin Infect Dis. 2016 Jun 1; 62(11):1436-42. PMID: 27129465.
        View in: PubMed
      8. Yan H, Li J, Raymond HF, Huan X, Guan W, Hu H, Yang H, McFarland W, Wei C. Increased HIV Testing among Men Who Have Sex with Men from 2008 to 2012, Nanjing, China. PLoS One. 2016; 11(4):e0154466. PMID: 27111540.
        View in: PubMed
      9. Zhang Y, Best J, Tang W, Tso LS, Liu F, Huang S, Zheng H, Yang B, Wei C, Tucker JD. Transgender sexual health in China: a cross-sectional online survey in China. Sex Transm Infect. 2016 Apr 6. PMID: 27052037.
        View in: PubMed
      10. Wei C, Yan H, Raymond HF, Shi LE, Li J, Yang H, McFarland W. HIV Testing and Awareness of Partner's HIV Status Among Chinese Men Who Have Sex with Men in Main Partnerships. AIDS Behav. 2016 Apr; 20(4):833-40. PMID: 26122649.
        View in: PubMed
      11. Jin H, Friedman MR, Lim SH, Guadamuz TE, Wei C. Suboptimal HIV Testing Uptake Among Men Who Engage in Commercial Sex Work with Men in Asia. LGBT Health. 2016 Mar 16. PMID: 26982598.
        View in: PubMed
      12. Han L, Wei C, Muessig KE, Bien CH, Meng G, Emch ME, Tucker JD. HIV test uptake among MSM in China: Implications for enhanced HIV test promotion campaigns among key populations. Glob Public Health. 2016 Jan 19; 1-14. PMID: 26785328.
        View in: PubMed
      13. Wei C, Cheung DH, Yan H, Li J, Shi LE, Raymond HF. The Impact of Homophobia and HIV Stigma on HIV Testing Uptake Among Chinese Men Who Have Sex With Men: a Mediation Analysis. J Acquir Immune Defic Syndr. 2016 Jan 1; 71(1):87-93. PMID: 26334742.
        View in: PubMed
      14. Ma W, Kang D, Song Y, Wei C, Marley G, Ma W. Social support and HIV/STDs infections among a probability-based sample of rural married migrant women in Shandong Province, China. BMC Public Health. 2015; 15(1):1170. PMID: 26603036; PMCID: PMC4658759.
      15. Zhang Y, Kim JA, Liu F, Tso LS, Tang W, Wei C, Bayus BL, Tucker JD. Creative Contributory Contests to Spur Innovation in Sexual Health: 2 Cases and a Guide for Implementation. Sex Transm Dis. 2015 Nov; 42(11):625-8. PMID: 26462186; PMCID: PMC4610177 [Available on 11/01/16].
      16. Shi LE, Wei C, McFarland W, Yan H, Li J, Raymond HF. Comparing Samples of Men Who Have Sex with Men Recruited Online and in Venues, Jiangsu Province, China, 2013. LGBT Health. 2016 Jun; 3(3):238-42. PMID: 26651841.
        View in: PubMed
      17. Davis A, Best J, Luo J, Van Der Pol B, Dodge B, Meyerson B, Aalsma M, Wei C, Tucker JD. Risk behaviours, HIV/STI testing and HIV/STI prevalence between men who have sex with men and men who have sex with both men and women in China. Int J STD AIDS. 2015 Jul 15. PMID: 26185041.
        View in: PubMed
      18. Davis A, Best J, Wei C, Luo J, Van Der Pol B, Meyerson B, Dodge B, Aalsma M, Tucker J. Intimate Partner Violence and Correlates With Risk Behaviors and HIV/STI Diagnoses Among Men Who Have Sex With Men and Men Who Have Sex With Men and Women in China: A Hidden Epidemic. Sex Transm Dis. 2015 Jul; 42(7):387-92. PMID: 26222752; PMCID: PMC4520252 [Available on 07/01/16].
      19. Friedman MR, Stall R, Silvestre AJ, Wei C, Shoptaw S, Herrick A, Surkan PJ, Teplin L, Plankey MW. Effects of syndemics on HIV viral load and medication adherence in the multicentre AIDS cohort study. AIDS. 2015 Jun 1; 29(9):1087-96. PMID: 25870981.
        View in: PubMed
      20. Bien CH, Best JM, Muessig KE, Wei C, Han L, Tucker JD. Gay Apps for Seeking Sex Partners in China: Implications for MSM Sexual Health. AIDS Behav. 2015 Jun; 19(6):941-6. PMID: 25572834; PMCID: PMC4475493 [Available on 06/01/16].
      21. Guadamuz TE, Cheung DH, Wei C, Koe S, Lim SH. Young, Online and in the Dark: Scaling Up HIV Testing among MSM in ASEAN. PLoS One. 2015; 10(5):e0126658. PMID: 25973907; PMCID: PMC4431680.
      22. Best J, Tang W, Zhang Y, Han L, Liu F, Huang S, Yang B, Wei C, Tucker JD. Sexual behaviors and HIV/syphilis testing among transgender individuals in China: implications for expanding HIV testing services. Sex Transm Dis. 2015 May; 42(5):281-5. PMID: 25868142; PMCID: PMC4396656 [Available on 05/01/16].
      23. Muessig KE, Bien CH, Wei C, Lo EJ, Yang M, Tucker JD, Yang L, Meng G, Hightow-Weidman LB. A mixed-methods study on the acceptability of using eHealth for HIV prevention and sexual health care among men who have sex with men in China. J Med Internet Res. 2015; 17(4):e100. PMID: 25900881; PMCID: PMC4420841.
      24. Lim SH, Cheung DH, Guadamuz TE, Wei C, Koe S, Altice FL. Latent class analysis of substance use among men who have sex with men in Malaysia: Findings from the Asian Internet MSM Sex Survey. Drug Alcohol Depend. 2015 Jun 1; 151:31-7. PMID: 25865907.
        View in: PubMed
      25. Yang C, Guadamuz TE, Lim SH, Koe S, Wei C. Factors Associated with Alcohol Use Before or During Sex Among Men Who Have Sex with Men in a Large Internet Sample from Asia. LGBT Health. 2016 Apr; 3(2):168-74. PMID: 26789393.
        View in: PubMed
      26. Yan H, Yang H, Raymond HF, Li J, Shi LE, Huan X, Wei C. Experiences and correlates of HIV self-testing among men who have sex with men in Jiangsu province, China. AIDS Behav. 2015 Mar; 19(3):485-91. PMID: 25480598; PMCID: PMC4359059 [Available on 03/01/16].
      27. Tucker JD, Wei C, Pendse R, Lo YR. HIV self-testing among key populations: an implementation science approach to evaluating self-testing. J Virus Erad. 2015 Jan; 1(1):38-42. PMID: 26005717.
        View in: PubMed
      28. Cheung DH, Suharlim C, Guadamuz TE, Lim SH, Koe S, Wei C. Earlier anal sexarche and co-occurring sexual risk are associated with current HIV-related risk behaviors among an online sample of men who have sex with men in Asia. AIDS Behav. 2014 Dec; 18(12):2423-31. PMID: 24920344; PMCID: PMC4229448 [Available on 12/01/15].
      29. Song Y, Kang D, Wang G, Wei C, Tao X, Huang T, Qian Y, Zhu T, Yang S, Yu S, Wang H, Ma W. HIV/AIDS-related knowledge and behaviors among rural married migrant women in Shandong Province, China: a comparison study. Arch Sex Behav. 2015 Feb; 44(2):367-74. PMID: 25323941.
        View in: PubMed
      30. Han L, Bien CH, Wei C, Muessig KE, Yang M, Liu F, Yang L, Meng G, Emch ME, Tucker JD. HIV self-testing among online MSM in China: implications for expanding HIV testing among key populations. J Acquir Immune Defic Syndr. 2014 Oct 1; 67(2):216-21. PMID: 24991972; PMCID: PMC4162828.
      31. Cheung DH, Lim SH, Guadamuz TE, Koe S, Wei C. The potential role of circuit parties in the spread of HIV among men who have sex with men in Asia: a call for targeted prevention. Arch Sex Behav. 2015 Feb; 44(2):389-97. PMID: 25104105; PMCID: PMC4320983 [Available on 02/01/16].
      32. Wei C, Lim SH, Guadamuz TE, Koe S. Virtual versus physical spaces: which facilitates greater HIV risk taking among men who have sex with men in East and South-East Asia? AIDS Behav. 2014 Aug; 18(8):1428-35. PMID: 24077974; PMCID: PMC4053516.
      33. Yan H, Zhang R, Wei C, Li J, Xu J, Yang H, McFarland W. A peer-led, community-based rapid HIV testing intervention among untested men who have sex with men in China: an operational model for expansion of HIV testing and linkage to care. Sex Transm Infect. 2014 Aug; 90(5):388-93. PMID: 24926040.
        View in: PubMed
      34. Wei C, Muessig KE, Bien C, Yang L, Meng R, Han L, Yang M, Tucker JD. Strategies for promoting HIV testing uptake: willingness to receive couple-based and collective HIV testing among a cross-sectional online sample of men who have sex with men in China. Sex Transm Infect. 2014 Sep; 90(6):469-74. PMID: 24760266; PMCID: PMC4151526.
      35. Snowden JM, Wei C, McFarland W, Raymond HF. Prevalence, correlates and trends in seroadaptive behaviours among men who have sex with men from serial cross-sectional surveillance in San Francisco, 2004-2011. Sex Transm Infect. 2014 Sep; 90(6):498-504. PMID: 24687128.
        View in: PubMed
      36. Friedman MR, Wei C, Klem ML, Silvestre AJ, Markovic N, Stall R. HIV infection and sexual risk among men who have sex with men and women (MSMW): a systematic review and meta-analysis. PLoS One. 2014; 9(1):e87139. PMID: 24498030; PMCID: PMC3907399.
      37. Yan H, Yang H, Li J, Wei C, Xu J, Liu X, Xu X, McFarland W. Emerging disparity in HIV/AIDS disease progression and mortality for men who have sex with men, Jiangsu Province, China. AIDS Behav. 2014 Jan; 18 Suppl 1:S5-10. PMID: 23695520; PMCID: PMC3864630.
      38. Friedman MR, Kurtz SP, Buttram ME, Wei C, Silvestre AJ, Stall R. HIV risk among substance-using men who have sex with men and women (MSMW): findings from South Florida. AIDS Behav. 2014 Jan; 18(1):111-9. PMID: 23653091; PMCID: PMC4034527.
      39. Cohen J, Lo YR, Caceres CF, Klausner JD. WHO guidelines for HIV/STI prevention and care among MSM and transgender people: implications for policy and practice. Sex Transm Infect. 2013 Nov; 89(7):536-8. PMID: 24123866.
        View in: PubMed
      40. Wei C, Yan H, Yang C, Raymond HF, Li J, Yang H, Zhao J, Huan X, Stall R. Accessing HIV testing and treatment among men who have sex with men in China: a qualitative study. AIDS Care. 2014; 26(3):372-8. PMID: 23909807; PMCID: PMC4053186.
      41. Wei C, Lim SH, Guadamuz TE, Koe S. HIV disclosure and sexual transmission behaviors among an Internet sample of HIV-positive men who have sex with men in Asia: implications for prevention with positives. AIDS Behav. 2012 Oct; 16(7):1970-8. PMID: 22198313; PMCID: PMC3340458.
      42. Lim SH, Guadamuz TE, Wei C, Chan R, Koe S. Factors associated with unprotected receptive anal intercourse with internal ejaculation among men who have sex with men in a large Internet sample from Asia. AIDS Behav. 2012 Oct; 16(7):1979-87. PMID: 22714116; PMCID: PMC4405155.
      43. Wei C, McFarland W, Colfax GN, Fuqua V, Raymond HF. Reaching black men who have sex with men: a comparison between respondent-driven sampling and time-location sampling. Sex Transm Infect. 2012 Dec; 88(8):622-6. PMID: 22750886; PMCID: PMC3480538.
      44. Wei C, Guadamuz TE, Lim SH, Koe S. Sexual transmission behaviors and serodiscordant partnerships among HIV-positive men who have sex with men in Asia. Sex Transm Dis. 2012 Apr; 39(4):312-5. PMID: 22421700; PMCID: PMC3306578.
      45. Yan H, Yang H, Zhao J, Wei C, Li J, Huan X, Zhang M, Raymond HF, McFarland W. Long-chain peer referral of men who have sex with men: a novel approach to establish and maintain a cohort to measure HIV incidence, Nanjing, China. J Acquir Immune Defic Syndr. 2012 Feb 1; 59(2):177-84. PMID: 21992923.
        View in: PubMed
      46. Wei C, Herrick A, Raymond HF, Anglemyer A, Gerbase A, Noar SM. Social marketing interventions to increase HIV/STI testing uptake among men who have sex with men and male-to-female transgender women. Cochrane Database Syst Rev. 2011; (9):CD009337. PMID: 21901734.
        View in: PubMed
      47. Wei C, Guadamuz TE, Lim SH, Huang Y, Koe S. Patterns and levels of illicit drug use among men who have sex with men in Asia. Drug Alcohol Depend. 2012 Jan 1; 120(1-3):246-9. PMID: 21831535; PMCID: PMC3217098.
      48. Friedman MS, Marshal MP, Guadamuz TE, Wei C, Wong CF, Saewyc E, Stall R. A meta-analysis of disparities in childhood sexual abuse, parental physical abuse, and peer victimization among sexual minority and sexual nonminority individuals. Am J Public Health. 2011 Aug; 101(8):1481-94. PMID: 21680921; PMCID: PMC3134495.
      49. Stall R, Wei C, Raymond HF, McFarland W. Do rates of unprotected anal intercourse among HIV-positive MSM present a risk for hepatitis C transmission? Sex Transm Infect. 2011 Aug; 87(5):439-41. PMID: 21653934.
        View in: PubMed
      50. Hecht J, Riggs J, Hargraves H, Wei C, Raymond HF. “Are you iffy?”: A social marketing campaign to address uncertainty in HIV status communication among men who have sex with men. Sex Transm Dis. 2011 May; 38(5):457-8. PMID: 22256338.
        View in: PubMed
      51. Wei C, Raymond HF, Wong FY, Silvestre AJ, Friedman MS, Documét P, McFarland W, Stall R. Lower HIV prevalence among Asian/Pacific Islander men who have sex with men: a critical review for possible reasons. AIDS Behav. 2011 Apr; 15(3):535-49. PMID: 21153049.
        View in: PubMed
      52. Herrick AL, Lim SH, Wei C, Smith H, Guadamuz T, Friedman MS, Stall R. Resilience as an untapped resource in behavioral intervention design for gay men. AIDS Behav. 2011 Apr; 15 Suppl 1:S25-9. PMID: 21344306.
        View in: PubMed
      53. Wei C, Raymond HF, McFarland W, Buchbinder S, Fuchs JD. What is the potential impact of adult circumcision on the HIV epidemic among men who have sex with men in San Francisco? Sex Transm Dis. 2011 Apr; 38(4):353-5. PMID: 21085057.
        View in: PubMed
      54. Wei C, Ruan S, Zhao J, Yang H, Zhu Y, Raymond HF. Which Chinese men who have sex with men miss out on HIV testing? Sex Transm Infect. 2011 Apr; 87(3):225-8. PMID: 21270068.
        View in: PubMed
      55. Wei C, Raymond HF, Guadamuz TE, Stall R, Colfax GN, Snowden JM, McFarland W. Racial/Ethnic differences in seroadaptive and serodisclosure behaviors among men who have sex with men. AIDS Behav. 2011 Jan; 15(1):22-9. PMID: 20217468.
        View in: PubMed
      56. Wang W, Wei C, Buchholz ME, Martin MC, Smith BD, Huang ZJ, Wong FY. Prevalence and risks for sexually transmitted infections among a national sample of migrants versus non-migrants in China. Int J STD AIDS. 2010 Jun; 21(6):410-5. PMID: 20606221; PMCID: PMC3628539.
      57. Wei C, Raymond HF. Preference for and maintenance of anal sex roles among men who have sex with men: sociodemographic and behavioral correlates. Arch Sex Behav. 2011 Aug; 40(4):829-34. PMID: 20464471.
        View in: PubMed
      58. Guadamuz TE, Kunawararak P, Beyrer C, Pumpaisanchai J, Wei C, Celentano DD. HIV prevalence, sexual and behavioral correlates among Shan, Hill tribe, and Thai male sex workers in Northern Thailand. AIDS Care. 2010 May; 22(5):597-605. PMID: 20401764.
        View in: PubMed
      59. Wei C, Guadamuz TE, Stall R, Wong FY. STD prevalence, risky sexual behaviors, and sex with women in a national sample of Chinese men who have sex with men. Am J Public Health. 2009 Nov; 99(11):1978-81. PMID: 19762670; PMCID: PMC2759784.
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