A 28-year-old woman was diagnosed with genital herpes 1 year ago. She has an outbreak most months that lasts 3 or 4 days. She is starting a new sexual relationship and wants to know how she can prevent giving her new partner herpes. Which of the following interventions will be most effective in preventing transmission of genital herpes? Avoid sexual activity after a herpes lesion is present Consistent use of latex condoms during outbreaks or prodromal symptoms Start valacyclovir 1 gm orally once daily for 5 days within 1 day of lesion onset Take valacyclovir 1 gm orally once a day