Cold sores are caused by the herpes simplex virus (HSV) which is often transmitted from person to person during kissing. Once it has infected the body, the virus lies dormant, generally being kept ...
Cold sores are caused primarily by herpes simplex virus 1 (HSV-1), one of two forms of the herpes virus. HSV-1 is very contagious, and more than 60% of people under 50 have been infected worldwide ...
Cold sores are caused primarily by herpes simplex virus 1 (HSV-1), one of two forms of the herpes virus. HSV-1 is very contagious, and more than 60% of people under 50 have been infected worldwide ...