HSL is a common, incurable disease that persists throughout the patient’s lifetime, often in latent form, 1,2 and is most often caused by HSV-1 and occasionally by HSV-2. HSL can be painful and ...

Herpes simplex labialis (HSL) is an infection caused by herpes simplex virus type 1 (HSV-1) that affects more than 70 percent of the U.S. population. Once HSV-1 has infected the body, it is never ...

Herpes simplex labialis (HSL) is an infection caused by herpes simplex virus type 1 (HSV-1) that affects more than 70 percent of the U.S. population. Once HSV-1 has infected the body, it is never ...

Over 70% of the U.S. population suffers from herpes (Herpes simplex labialis - HSL) caused by the herpes simplex virus type 1 (HSV-1), which is characterized by cold sores on or around the mouth.

Erythema multiformeassociated with recurrent herpes simplex labialis. Herpes simplex labialis (HSL) is a common disease caused most often by herpes simplex virus type 1 (HSV-1).