herpes simplex upper lip
The herpes virus can live dormant inside a persons immune system for a lifetime periodically causing blisters that burst and turn into open cold sores or ulcers before healing. Herpes simplex virus type 1 herpes 1 or hsv 1 causes about 80 of cases of oral herpes infections. Management Of Erythema Multiforme Secondary To Herpes Simplex By It is one of the most common chronic viral infections in humans.
