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.
The herpes simplex virus (HSV) is a double-stranded DNA virus with an enveloped, icosahedral capsid. It is a common cause of infections of the skin and mucous membranes, manifesting itself as tiny, clear, fluid-filled blisters usually around the mouth or genitals.
There are two types of herpes viruses-herpes simplex virus type 1 (HSV-1) or herpes simplex virus type 2 (HSV-2). HSV-1 is often experienced as an infection of the mouth and facial area that causes cold sores.HSV-2 is usually the cause of genital herpes, although HSV-1 sometimes causes genital infections.SV-1 is often experienced as an infection of the mouth and facial area that causes cold sores. HSV-2 is usually the cause of genital herpes, although HSV-1 sometimes causes genital infections.