...evidence for infection with herpes simplex virus 2 (HSV 2), the virus typically responsible for genital herpes, Fife and his team note in...evidence that genital infections with HSV 1, which normally causes cold sores around... for HSV 1, while 13.5 percent carried HSV 2. During the... study participants contracted new HSV 1 infections, while seven acquired HSV 2. Among the women who developed ...