Definition of masked. 1  1 : marked by the use of masks a masked ball. 2  2 : failing to present or produce the usual symptoms : latent a masked infection a masked virus.
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. 4  HSV-2.
Herpes is a sexually transmitted infection. It has two known types: herpes simplex virus type 1 (HSV-1) and herpes simplex virus type 2 (HSV-2). Genital herpes outbreaks are normally caused by the type 2 virus while the type 1 virus typically manifests itself as cold sores around the mouth and lips.However, HSV-1 can also manifest in the form of genital herpes if there are oral to genital contact. Symptoms of genital herpes will show up around the genital, thighs, buttocks or around the anus. 2  24 to 48 hours later, the blisters burst open, oozing a clear to milky fluid and leaving open sores and ulcers with a yellowish membrane that are painful to touch.