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B型流感病毒为季节性流感病毒的一种,每年在人群中呈不同程度的流行。B型流感病毒与A型流感病毒在基因结构和编码蛋白等方面存在差异,主要引起局部暴发和流行,并倾向于感染特定人群,因此除典型的感染症状外还易引起并发症。在一些流行季节,B型流感病毒造成的疾病负担甚至超过A型流感病毒。应加强B型流感病毒的监测和相关研究工作,为B型流感疫苗的推荐和新型药物的研发提供更多的科学依据。
Type B influenza virus is a seasonal influenza virus, which shows different degrees of epidemic in the population every year. Influenza B viruses and influenza A viruses differ in their genetic structure and encoded proteins, mainly causing local outbreaks and epidemics, and tend to infect certain populations, thus causing complications in addition to the typical symptoms of infection. In some popular seasons, the burden of disease caused by influenza B virus even exceeds that of influenza A virus. The surveillance and related research on influenza B virus should be strengthened to provide more scientific basis for the recommendation of influenza B vaccine and the research and development of new drugs.