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When Is Herpes Contagious?
Herpes labialis is infection of the lips, mouth, or gums with the herpes simplex virus. It leads to the development of small, painful
Alternative Names
Cold sore; Fever blister; Herpes simplex - oral; Oral herpes simplex
Causes, incidence, and risk factors
Herpes labialis is a common disease caused by infection of the mouth area with herpes simplex virus type 1. Most people in the United States are infected with this virus by age 20.
Th...
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