This work was supported by the Ministry of Trade,Industry and Energy(grant number,10063301);by the National Research Foundation grants funded by the Ministry of Science and Information Technology(No.2019R1A2B5B-03099982 and 2019R1A2C1087207),Korea.
Influenza epidemics frequently and unpredictably break out all over the world,and seriously affect the breeding industry and human activity.Inactivated and live attenuated viruses have been used as protective vaccines...