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The Boston Globe

Health & wellness

Be Well

Study: More teens face risk of genital herpes

A growing number of teens may lack protection against a virus that could cause genital herpes, new findings by the US Centers for Disease Control and Prevention suggest.

The virus, known as herpes simplex virus type 1 (HSV-1), commonly causes cold sores. As many as 60 percent of genital herpes infections are also caused by HSV-1, often contracted through oral sex, the researchers said.

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