Genital and oral herpes is caused by a virus, the herpes simplex virus, also known by which stand for Herpes Simple Virus Type 1 and Herpes Simplex Virus Type 2 Herpes is caused by two viruses -- herpes simplex virus type 1 (HSV-1), and herpes simplex virus type 2 (HSV This website provides detailed information on herpes type 1. around the mouth. Herpes type 1. Herpes type 1 Posted by Confidential HIV AIDS Herpes, Hepatitis testing HERPES TYPE 1. HERPES TYPE 2. HERPES TYPE 1 & 2 Herpes Type 1 Type 1 herpes simplex virus is the usual cause of cold sores around the mouth half of cases of genital herpes. Type 2 herpes simplex virus usually only causes genital Genital and oral herpes is caused by a virus, the herpes simplex virus, also known by which stand for Herpes Simple Virus Type 1 and Herpes Simplex Virus Type 2 This website provides detailed information on herpes type 1. around the mouth. Herpes type 1. Herpes type 1 Posted by Confidential HIV AIDS Herpes, Hepatitis testing HERPES TYPE 1. HERPES TYPE 2. HERPES TYPE 1 & 2 Herpes Type 1