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.he average amount of recurrent outbreaks is approximately 2 to 3 times annually with each recurring outbreak lasting 3 to 14 days. A herpes infection may be considered chronic if outbreaks occur more than 5 times a year.