Herpes is a bunch of virus that could potentially cause unpleasant sores and blisters. Herpes viruses are of 3 styles: Herpes simplex that causes blisters and cold sores round the mouth; Herpes genital that causes the sores and blisters to appear round the genitals and Last of all, Herpes zoster that may cause shingles and chickenpox. The phases of Herpes may well not always be effectively outlined and could not adhere to a acknowledged study course or path.