cold sore

A type of facial sore that's found either on the lips or on the skin near the mouth. Caused by the herpes simplex virus type 1, not the HSV2, which is typically known as genital herpes.

"hey, i have a fever blister!"
"you have a what?"
"a cold sore, it's the same thing. i need some Abreva."
"oh, you card!"

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