41. Herpes virus 8 was discovered six years ago and causes a skin cancer called Kaposi's sarcoma.42. The rash was caused by a herpes virus infection that had taken a highly unusual course. 43. That is done after they transferred the gene from the herpes virus into a harmless carrier. 44. The patients tested positive for the herpes virus . 45. The vaccine is made from a protein taken from the outer surface of the herpes virus . 46. Human diseases caused by different herpes viruses include cold sores, genital herpes, chickenpox, shingles and mononucleosis. 47. All herpes viruses described since this system was adopted have been named in accordance with it. 48. Human Herpes Virus 6 or Human Herpes Virus 7 has been hypothesized to be the cause. 49. Cells in which the virus is herpes viruses . 50. Human Herpes Virus 6 or Human Herpes Virus 7 has been hypothesized to be the cause.