Herpes virus: The herpes virus is always the cause of cold sores. It is mistakenly assumed that cold sores only occur on the mouth or nose, but they can occur anywhere.
Answered 7/20/2018
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A doctor has provided 1 answer
A doctor has provided 1 answer
2 doctors weighed in across 2 answers
A doctor has provided 1 answer
3 doctors weighed in across 2 answers
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