Cold Sores (Fever Blisters)
Causes
Primarily caused by herpes simplex virus type 1 (HSV-1); HSV-2 can sometimes cause cold sores through oral-genital contact.
Highly contagious through:
Direct contact: Kissing, sharing drinks, utensils, or food.
Indirect contact: Towels, lip balm, or cutlery contaminated with the virus.
Self-infection (autoinoculation): Touching a cold sore and then other body parts, like eyes or genitals.
Symptoms &…
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