Incident HIV and herpes simplex virus type 2 infection among men in Rakai, Uganda

Aaron A.R. Tobian, Victor Ssempijja, Godfrey Kigozi, Amy E. Oliver, David Serwadda, Frederick Makumbi, Frederick K. Nalugoda, Boaz Iga, Steven J. Reynolds, Maria J. Wawer, Thomas C. Quinn, Ronald H. Gray

Research output: Contribution to journalArticlepeer-review

44 Scopus citations


OBJECTIVE: Herpes simplex virus type 2 (HSV-2) infection is associated with an increased risk for acquiring HIV, but little is known about the temporal sequence of these infections. DESIGN: Six thousand three hundred ninety-six men were evaluated for serologic HSV-2 and HIV infections and behaviors during a male circumcision trial in Rakai, Uganda. METHODS: HIV and HSV-2 status were determined using enzyme-linked immunosorbent assays and confirmed by HIV-1 and HSV-2 western blots. A Poisson multivariable model was used to estimate adjusted incidence rate ratios of HIV acquisition associated with HSV-2 and other covariates. RESULTS: HIV incidence was 1.09/100 person-years and acquisition was associated with incident HSV-2 infection [adjusted incidence rate ratio (adjIRR) 5.28, 95% confidence interval (CI) 2.79-9.98], chronic HSV-2 infection (adjIRR 2.78, 95% CI 1.64-5.68), genital ulcer disease, urethral discharge, genital washing after intercourse, being unmarried, and being uncircumcised. Sixteen men acquired both HIV and HSV-2 during the trial: four acquired HIV first, three acquired HSV-2 first, and nine acquired both infections in the same follow-up interval. CONCLUSION: The findings suggest that unsafe sex places men at risk of both HIV and HSV-2 infections, and it is unclear whether HSV-2 acquisition is a cofactor for HIV infection or a marker of correlated sexual exposures. This reinforces the need for promotion of safe sex as the primary method of prevention of both viruses.

Original languageEnglish (US)
Pages (from-to)1589-1594
Number of pages6
Issue number12
StatePublished - Jul 2009


  • HIV
  • Herpes simplex virus type 2
  • Male circumcision
  • Risk factors
  • Uganda

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology
  • Infectious Diseases


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