Experts Unsure Why Herpes Is Declining While Other STDs Are Rising

Federal officials note that sexual activity among younger people has decreased. That might
be one reason why the number of new cases of genital herpes has dropped.

But the Centers for Disease Control and Prevention (CDC) says that's not the only reason.

"The number of new cases of genital herpes has been declining for several years, but the reasons for this decline are not clear,"