health & wellnessvirus
Cold Sore
A cold sore is a small, fluid-filled blister that typically appears on or around the lips, caused by the herpes simplex virus (HSV-1). It is contagious and often triggered by stress, illness, or sun exposure.
A cold sore is a small, fluid-filled blister that typically appears on or around the lips, caused by the herpes simplex virus (HSV-1). It is contagious and often triggered by stress, illness, or sun exposure.