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.
1 HSV 1 usually causes herpes on the mouth. 2  People with the virus can get cold sores or fever blisters on the mouth. 3  HSV 1 can be spread to the genitals during oral sex.4  HSV2 usually causes herpes around the genitals or anus. 5  People with this virus can get sores or blisters around the genitals or anus. People with the virus can get cold sores or fever blisters on the mouth. 2  HSV 1 can be spread to the genitals during oral sex. 3  HSV2 usually causes herpes around the genitals or anus. 4  People with this virus can get sores or blisters around the genitals or anus. 5  HSV 2 can be spread to someoneâs mouth during oral sex.