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The Herpes simplex virus hides in plain sight. For most, it’s a fleeting nuisance — a tingling lip, a blister, a cold sore. But new research suggests that herpes simplex virus type 1 (HSV-1 ...

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 ...