If there is a bulge in something, there is a sudden large increase in it. ...a bulge in aircraft sales. ...the huge bulge of payments due over the next two years. Synonyms: increase, rise, boost, surge More Synonyms of bulge.
Two types of herpes simplex virus infections can cause genital herpes: 1  HSV-1. 2  This is the type that usually causes cold sores or fever blisters around your mouth, though it can be spread to your genital area during oral sex. 3  Recurrences are much less frequent than they are with HSV-2 infection.
1 HSV-1 is mainly transmitted by oral to oral contact, and causes orolabial herpes / herpes labialis or âcold soresâ, and can also cause genital herpes. 2  HSV-2 is a sexually transmitted infection that can cause genital herpes.3  Both HSV-1 and HSV-2 are highly infectious.ey facts. 1  The herpes simplex virus, or herpes, is categorized into two types: herpes simplex virus 1 (HSV-1) and herpes simplex virus 2 (HSV-2). 2  HSV-1 is mainly transmitted by oral to oral contact, and causes orolabial herpes / herpes labialis or âcold soresâ, and can also cause genital herpes.