近年来本省一些地区先看发生流行性感冒局部暴发流行,经病原学调查证实为乙型流感病毒引起,现将部分乙型流感病毒的抗原分析简述如下。 In recent years, some areas of our province have taken a look at the occurrence of a local outbreak of influenza and the etiological investigation has confirmed that it is caused by the influenza B virus. The antigen analysis of some influenza B viruses is summarized as follows.