一直以来,病毒感染引起的疾病是人类患病和死亡的主要原因。许多“经典”的病毒感染,如流感病毒、轮状病毒、出血热病毒及乙型脑炎病毒等,在临床上占据重要地位。近30年来又相继出现多种新的病毒,如人类免疫缺陷病毒(HIV)、丙型肝炎病毒(HCV)、引起严重急性呼吸综合征的冠状病毒(SARS-Co)及高致病性禽流感病毒 Traditionally, diseases caused by viral infections have been the major cause of illness and death in humans. Many “classic” virus infections, such as influenza virus, rotavirus, hemorrhagic fever virus and Japanese encephalitis virus, occupy an important position clinically. In the recent 30 years, many new viruses have emerged, such as human immunodeficiency virus (HIV), hepatitis C virus (HCV), coronavirus (SARS-Co) causing severe acute respiratory syndrome and pathogenic avian influenza virus