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Chongyi Wei, DrPH

Address550 16th. Street
San Francisco CA 94158
Phone415-476-5793
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    Collapse Biography 
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    University of PittsburghDrPH2009Behavioral and Community Health Sciences

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    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 NIH-funded training grants; member of the Office of AIDS Research Racial and Ethnic Populations Planning Committee (2012-15); executive committee member of the UCSF AIDS Research Institute (2014-16); ad hoc reviewer for NIMH Special Emphasis HIV/AIDS Review Panels (2013-16); academic or associate editor for PLoS One and BMC Infectious Diseases; and peer reviewer for over 20 scientific journals.


    Collapse Research 
    Collapse Research Activities and Funding
    Development of an HIV Self-testing Intervention to Reduce HIV risks among MSM: Taking the Guess Out of Seroguessing
    NIH/NIMH R34MH109359Aug 1, 2016 - Jul 31, 2019
    Role: Principal Investigator
    Spurring Innovation in HIV Testing and Linkage: A Crowdsourcing Approach
    NIH/NIAID R01AI114310Sep 17, 2014 - Aug 31, 2019
    Role: Co-Principal Investigator
    A Social Marketing Approach to Increase HIV Testing among High-Risk Men in China
    NIH/NIMH R00MH093201Jan 15, 2013 - Dec 31, 2015
    Role: Principal Investigator
    A Social Marketing Approach to Increase HIV Testing among High-Risk Men in China
    NIH/NIMH K99MH093201Jan 1, 2011 - Nov 30, 2012
    Role: Principal Investigator

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    Collapse Global Health
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    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. Li H, Xue L, Tucker JD, Wei C, Durvasula M, Hu W, Kang D, Liao M, Tang W, Ma W. Condom use peer norms and self-efficacy as mediators between community engagement and condom use among Chinese men who have sex with men. BMC Public Health. 2017 Aug 07; 17(1):641. PMID: 28784172.
      View in: PubMed
    2. Cao B, Liu C, Durvasula M, Tang W, Pan S, Saffer AJ, Wei C, Tucker JD. Social Media Engagement and HIV Testing Among Men Who Have Sex With Men in China: A Nationwide Cross-Sectional Survey. J Med Internet Res. 2017 Jul 19; 19(7):e251. PMID: 28724510.
      View in: PubMed
    3. Wong NS, Tang W, Han L, Best J, Zhang Y, Huang S, Zheng H, Yang B, Wei C, Pan SW, Tucker JD. MSM HIV testing following an online testing intervention in China. BMC Infect Dis. 2017 Jun 19; 17(1):437. PMID: 28629439.
      View in: PubMed
    4. Cao B, Liu C, Stein G, Tang W, Best J, Zhang Y, Yang B, Huang S, Wei C, Tucker JD. Faster and Riskier? Online Context of Sex Seeking Among Men Who Have Sex With Men in China. Sex Transm Dis. 2017 Apr; 44(4):239-244. PMID: 28282651.
      View in: PubMed
    5. Qin Y, Tang W, Nowacki A, Mollan K, Reifeis SA, Hudgens MG, Wong NS, Li H, Tucker JD, Wei C. Benefits and Potential Harms of Human Immunodeficiency Virus Self-Testing Among Men Who Have Sex With Men in China: An Implementation Perspective. Sex Transm Dis. 2017 Apr; 44(4):233-238. PMID: 28282650.
      View in: PubMed
    6. Li H, Wei C, Tucker J, Kang D, Liao M, Holroyd E, Zheng J, Qi Q, Ma W. Barriers and facilitators of linkage to HIV care among HIV-infected young Chinese men who have sex with men: a qualitative study. BMC Health Serv Res. 2017 Mar 16; 17(1):214. PMID: 28302106.
      View in: PubMed
    7. Hu H, Yan H, Liu X, Xu X, Xu J, Qiu T, Shi LE, Fu G, Huan X, McFarland W, Wei C. Trends in late HIV diagnosis among men who have sex with men in Jiangsu province, China: Results from four consecutive community-based surveys, 2011-2014. PLoS One. 2017; 12(3):e0172664. PMID: 28278195.
      View in: PubMed
    8. Qiu T, Ding P, Fu G, Huan X, Xu X, Zhang Z, Liu X, Yang H, Mandel J, Wei C, McFarland W, Yan H. Immunologic treatment failure among HIV-infected adult patients in Jiangsu province, China. Sci Rep. 2017 Feb 21; 7:42381. PMID: 28220792.
      View in: PubMed
    9. Tang W, Mao J, Tang S, Liu C, Mollan K, Cao B, Wong T, Zhang Y, Hudgens M, Qin Y, Han L, Ma B, Yang B, Ma W, Wei C, Tucker JD. Disclosure of sexual orientation to health professionals in China: results from an online cross-sectional study. J Int AIDS Soc. 2017 02 06; 20(1):21416. PMID: 28361498.
      View in: PubMed
    10. 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. 2017 Feb; 21(2):341-351. PMID: 27613645.
      View in: PubMed
    11. Zhao P, Tang S, Wang C, Zhang Y, Best J, Tangthanasup TM, Huang S, Yang B, Wei C, Tucker JD, Tang W. Recreational Drug Use among Chinese MSM and Transgender Individuals: Results from a National Online Cross-Sectional Study. PLoS One. 2017; 12(1):e0170024. PMID: 28107391.
      View in: PubMed
    12. Tang W, Tang S, Qin Y, Zhang Y, Zhang W, Liu C, Tso LS, Wei C, Yang L, Huang S, Yang B, Tucker J. Will Gay Sex-Seeking Mobile Phone Applications Facilitate Group Sex? A Cross-Sectional Online Survey among Men Who Have Sex with Men in China. PLoS One. 2016; 11(11):e0167238. PMID: 27880823.
      View in: PubMed
    13. 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 03; 6(10):e010755. PMID: 27697868.
      View in: PubMed
    14. 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; PMCID: PMC5019368.
    15. 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 Jul 25; 15(1):386. PMID: 27456488; PMCID: PMC4960668.
    16. 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 09. PMID: 27288414.
      View in: PubMed
    17. 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; PMCID: PMC4928390 [Available on 07/15/17].
    18. 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 01; 62(11):1436-1442. PMID: 27129465; PMCID: PMC4872295 [Available on 06/01/17].
    19. 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; PMCID: PMC4844110.
    20. 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 06. PMID: 27052037.
      View in: PubMed
    21. 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; PMCID: PMC4696920 [Available on 04/01/17].
    22. 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 Dec; 3(6):465-471. PMID: 26982598.
      View in: PubMed
    23. 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. 2017 Jan; 12(1):31-44. PMID: 26785328.
      View in: PubMed
    24. 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 01; 71(1):87-93. PMID: 26334742; PMCID: PMC4713338 [Available on 01/01/17].
    25. 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 Nov 24; 15:1170. PMID: 26603036; PMCID: PMC4658759.
    26. 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].
    27. 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; PMCID: PMC4894010.
    28. Davis A, Best J, Luo J, Van Der Pol B, Dodge B, Meyerson B, Aalsma M, Wei C, Tucker JD. Differences in 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. 2016 Sep; 27(10):840-9. PMID: 26185041; PMCID: PMC4714950.
    29. 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.
    30. 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 01; 29(9):1087-96. PMID: 25870981; PMCID: PMC4739626.
    31. 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.
    32. 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.
    33. 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.
    34. 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 Apr 21; 17(4):e100. PMID: 25900881; PMCID: PMC4420841.
    35. 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 01; 151:31-7. PMID: 25865907.
      View in: PubMed
    36. 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; PMCID: PMC4723287.
    37. 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.
    38. 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
    39. 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.
    40. 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
    41. 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 01; 67(2):216-21. PMID: 24991972; PMCID: PMC4162828.
    42. 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.
    43. 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.
    44. 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
    45. 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.
    46. 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
    47. 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.
    48. 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.
    49. 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.
    50. 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
    51. 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.
    52. 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.
    53. 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.
    54. 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.
    55. 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.
    56. 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 01; 59(2):177-84. PMID: 21992923.
      View in: PubMed
    57. 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 Sep 07; (9):CD009337. PMID: 21901734.
      View in: PubMed
    58. 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 01; 120(1-3):246-9. PMID: 21831535; PMCID: PMC3217098.
    59. 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.
    60. 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
    61. 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
    62. 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
    63. 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
    64. 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
    65. 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
    66. 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
    67. 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.
    68. 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
    69. 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
    70. 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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