20世纪70年代中期在美国发生了接种流感疫苗后Guillain-Barré综合征(Guillain-Barrésyndrome,GBS)发病率增高的情况。该事件促进了GBS的临床研究,20世纪80年代由美国学者制定了国际上第一个GBS诊断标准。直到21世纪初,学者们一直认为流感疫苗是引起GBS的一个重要因素。但近年研究提示流感病毒更可能是流感期 The incidence of Guillain-Barré syndrome (GBS) increased after the flu vaccination occurred in the United States in the mid-1970s. This event promoted the clinical research of GBS. In the 1980s, the first international GBS diagnostic standard was established by American scholars. Until the beginning of the 21st century, scholars always considered the flu vaccine as an important factor in causing GBS. However, recent studies suggest that the flu virus is more likely to be flu period