Not related: Cold sores are caused by herpes simplex type 1 virus. Canker sore cause is not well understood, but not beleived to be viral in origin.
Answered 1/17/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
7 doctors weighed in across 2 answers
A doctor has provided 1 answer
8 doctors weighed in across 2 answers
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