Genital herpes simplex virus (HSV) infections are frequently asymptomatic or undiagnosed, but more than half the US population is seropositive for HSV, and about one-fifth are positive for HSV-2.
Genital herpes, usually the result of an infection with herpes simplex virus type 2 (HSV-2), is the most common cause of genital ulceration. The first clinical episode is called primary genital ...