A 21-year-old member asked:
what type of herpes simplex virus causes cold sores?
3 doctor answers
Dr. Robert Kwok answered
32 years experience Pediatrics
Type 1 more common: Cold sores on or near the lips are due to recurrence of herpes type 1 or 2. Herpes viruses, after the initial infection, live in a person's nerves and travel down the nerves to the surface to form blisters that break open, spreading more virus. Type 1 is more common on the lips, and type 2 more common on the genitals. With people engaging in oral sex, either type can be in one or both locations.
Answered on Oct 25, 2017
Dr. Kyle Shank answered
12 years experience Dentistry
Hsv-1. Usually: Fever blisters are usually caused by hsv-1, but they can be caused by hsv-2.
Answered on Jan 23, 2019
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