带状疱疹比较少见,随着人口老化和免疫抑制药物的应用本病日益增多.在美国年平均一千人口中有3～5人发病,发病率与严重性均随年龄增长.本病与水痘同由水痘—带状疱疹病毒(V-Z病毒)引起,病毒之形态学和抗原性均与单纯疱疹病毒的口腔和生殖器型毒株相似.两种病毒在幼儿期发生原发感染后均可能潜伏于感觉神经节内,日后一旦在某些促发因素激活下,即可沿感觉神经到达皮肤粘膜,单纯疱疹病毒引起反复发作的唇疱疹,而V-Z病毒则引起带状疱疹.V-Z病毒既可引 Shingles are relatively rare, with the aging population and the application of immunosuppressive drugs, the disease is increasing .In the United States an average of 1000 population, there are 3 to 5 people, the incidence and severity are increasing with age. The disease and chickenpox Is caused by varicella-zoster virus (VZ virus), both morphologically and antigenically similar to oral and genital strains of herpes simplex virus. Both viruses may lurk in primary infection after early childhood Sensory ganglion, once in the future activation of certain pro-inflammatory factors, along the sensory nerve can reach the mucous membrane of the skin, herpes simplex virus causes recurrent cold sores, and VZ virus is caused by shingles .VZ virus can both lead