1. Xu F, Sternberg MR, Kottiri BJ, et al. Trends in herpes simplex virus type 1 and type 2 seroprevalence in the United States. JAMA. 2006;296:964-973.
  2. Data on file, GlaxoSmithKline.
  3. Centers for Disease Control and Prevention. Sexually transmitted diseases treatment guidelines, 2006. MMWR.2006;55 (RR-11):1-92.
  4. Handsfield HH., Warren T, Werner M, Phillips JA. Suppressive therapy with valacyclovir in early genital herpes: a pilot study of clinical efficacy and
    herpes-related quality of life. Sex Transm Dis. 2007;34:339-343.
  5. National Institutes of Health Web site. Genital Herpes. Available at
    http://www3.niaid.nih.gov/healthscience/healthtopics/genital_herpes/symptoms.htm. Accessed on November 21, 2007.
  6. Beers MH, Berkow R, eds. Merck Manual of Diagnosis and Therapy. 17th ed. Whitehouse Station, NJ: Merck Research Laboratories; 1999.
  7. Ashley RL, Wald A. Genital herpes: review of the epidemic and potential use of type-specific serology. Clin Microbiol Rev. 1999;12:1-8.