A 37-year-old woman is seen in a sexual health clinic for the management of recurrent genital herpes simplex virus type 2 (HSV-2). She reports two outbreaks of genital herpes in the past 12 months. She is sexually active with a 33-year-old man who has no history of genital herpes, and he recently had a negative HSV-2 antibody test. She is interested in reducing her risk of transmitting HSV-2 to her partner.