In Focus:

More Viruses Are Found in Semen Than You Might Think

At least 27 viruses are found in human semen. While some of them, such as HIV, hepatitis C, and herpes, are well known and can be sexually transmitted, others may surprise you.


That’s the finding published by the Centers for Disease Control and Prevention in a November 2017 research letter. Although public health experts have known for decades that certain infectious agents can be found in human semen, scientists have made some recent discoveries that have expanded that list.

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