If you have ever experienced a cold sore, you may be one of the estimated 3.8 billion people worldwide (64%) who are infected with herpes simplex virus type 1 (HSV-1). Though the majority of people ...

Herpes on the penis looks like clusters of small, fluid-filled blisters. The herpes virus is easily spread through intimate contact during oral, anal, or vaginal sex. Men are half as likely as women ...

Symptomatic infection with the virus responsible for cold sores around the mouth–herpes simplex 1, or HSV-1 for short—may have a key role in the development of Alzheimer’s disease, suggests a large ...