Research Progress on Influenza Virus Infection in Children

流行性感冒(流感)是由流感病毒引起的急性呼吸道传染病，具有传染性强及发病率高，起病急和易变异的特点。每年会引起不同严重程度的流行，大多数感染发生在儿童中，部分患儿可发展为严重病例，甚至因严重并发症而死亡，接种疫苗和及时抗病毒治疗可明显降低发病率和减少严重并发症。目前国内外研究在儿童流感方面取得较大进展，了解和掌握儿童流感的流行病学、临床特点及治疗和预防具有重要意义。Influenza is an acute respiratory infectious disease caused by influenza virus. It has high infectivity characteristics, high incidence, rapid onset, and easy of mutation. Every year, it will cause epidemics of different severity. Most infections occur in children. Some children can develop into serious cases and die from serious complications. Timely antiviral treatment and vaccination can effectively reduce the incidence rate and serious complications. At present, research at home and abroad has made great progress in children’s influenza. It is of great significance to understand and master the epidemiology, clinical characteristics, treatment and prevention of children’s influenza.