Immunosuppression can cause reactivation of the herpes simplex virus in the lip (" cold sores ").

免疫抑制可引起唇疱疹病毒再激活(“唇疱疹”)。

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Many other viruses, such as herpes simplex virus, appear to employ a similar infection strategy, says Smith.

史密斯称，许多其他病毒，如：单纯疱疹病毒，好象采用了同样的感染策略。

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Other viruses, such as the herpes simplex virus that creates cold sores, may use the same mechanism, the scientists figure.

科学家们认为，诸如引发唇疱疹的单纯性疱疹病毒的其它病毒也许采用了同样的机制。

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The Herpes simplex virus, for example, infects 80% of adults.

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The Centers for Disease Control and Prevention (CDC) estimates that about 1 in 6 Americans (16.2 percent) between 14 and 49 are infected with herpes simplex virus type 2.

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An estimated 16% of U.S. adults are infected with herpes simplex virus type 2 (HSV-2), which can cause bumps, blisters, or sores on the genitals and surrounding areas, along with pain and itching.

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