Medically reviewed by Anju Goel, MD Herpes simplex virus (HSV) is a common—and one of the most confusing—infections. Two ...

occurs when the patient has no antibodies to HSV-1 or HSV-2. It is expected to present as a severe and prolonged episode (up to 21 days) of multiple coalescent vesicular-ulcerative lesions with ...

and about one-fifth are positive for HSV-2. These two factors contribute to the risk for sexual transmission and therefore to the risk of late-pregnancy acquisition of HSV. Most neonatal herpes ...

Medically reviewed by Katlein Franca, MD In some ways, the features of a cold sore vs. a pimple on the lip line are very ...

GSK has abandoned its clinical-stage vaccine for herpes simplex virus (HSV) after a disappointing phase 1/2 trial, ceding the ground to mRNA shots in development at Moderna and BioNTech.

HSV-1 can also cause genital infections, though it’s herpes simplex virus type 2 that is more commonly associated with genital herpes. Scientists have discovered the cold sore virus can ...

These include cold sores (herpes simplex virus type 1 (HSV-1)), genital ulcers (HSV-2), and shingles, caused by varicella zoster virus (VZV), the same virus responsible for chicken pox.