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Retention challenge in an MSM cohort in Suzhou, China
  1. Xin Chen1,
  2. Hai-tao Yang2,
  3. Jessie Norris3,
  4. Zhi-hang Peng1,
  5. Ning Wang3,
  6. Rong-Bin Yu1
  1. 1Department of Epidemiology & Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
  2. 2Center for disease control and prevention of Jiangsu Province, Nanjing, Jiangsu, China
  3. 3National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
  1. Correspondence to Dr Zhihang Peng, Department of Epidemiology & Biostatistics, School of Public Health, Nanjing Medical University, 140 Hanzhong Road, Gulou District, Nanjing, Jiangsu 210029, China; zhihangpeng{at}

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Many surveys conducted in recent years have reported escalating rates of HIV infection among MSM (men who have sex with men), but data …

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  • Interview and volunteer counselling and testing procedures were conducted at a conveniently located HIV clinic, where blood was also drawn to test for HIV and other sexually transmitted diseases. Samples were first screened for HIV antibodies by ELISA, and then confirmed with a Western Blot Assay. Syphilis screening was performed using the Rapid Plasma Reagin Test and plasma specimens that were positive were confirmed by Treponema Pallidum Particle Agglutination (TPPA) Assay. Participants with a positive test result at any follow-up visit were referred to medical and social services and were asked to leave the study.

  • Funding This work was supported in part by National Natural Science Foundation of China (81001288); ‘National ST Major Project Foundation of China’ (No. 2012ZX10001-001 and No. 2011ZX10004-902).

  • Competing interests None.

  • Patient consent Obtained.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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