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Cold sores (herpes labialis)
Cold sores are caused by herpes simplex virus 1. Unsightly and unpleasant, they come back periodically because the virus remains in the body for life.


Labial herpes

Labial herpes is caused by the herpes zoster virus. Approximately 80–90% of the population carries and is infected by this virus, and many don’t know it and never present symptoms.
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