No: Canker sores are shallow defects in the mucous membranes inside the mouth that have no connection to the herpes virus."cold sores" outside the mouth, often locaated just beyond the red tissue of the lip, are due to the herpes simplex virus, commonly type 1, but this virus can also cause genital herpes.
Answered 8/18/2013
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Yes: The sore can contain active causitive components.
Answered 9/13/2013
4.9k views
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