How common is a cold sore?
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Works at the International Labour Organization, Lives in Geneva, Switzerland.
Cold sores and fever blisters are caused by herpes simplex virus type 1 (HSV-1). ... Cold sores usually appear as clusters of tiny blisters on the lip. About 8 out of 10 people have the virus that causes cold sores. Most people are first infected before they are 10 years old.
2023-06-19 20:50:59
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Ethan Hall
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Cold sores and fever blisters are caused by herpes simplex virus type 1 (HSV-1). ... Cold sores usually appear as clusters of tiny blisters on the lip. About 8 out of 10 people have the virus that causes cold sores. Most people are first infected before they are 10 years old.