In herpes viral infection there is a change in skin charaterized by?

In herpes viral infection, the skin change that occurs is the formation of small, fluid-filled blisters called vesicles. These vesicles are typically grouped together in clusters and can appear on any part of the body, but they are most commonly found on the face, neck, and genitals. The vesicles are usually itchy and painful and can last for several days before crusting over and healing.