When Is a Cold Sore No Longer Contagious?

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When Is a Cold Sore No Longer Contagious?

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Cold sores, or fever blisters, are a common occurrence throughout the United States. According to AidsInfo.net, approximately 45 million people are infected with HSV-1, which is about 1 out of every 5 people over the age of 12. Although they can be painful and irritating, cold sores can be managed.