WHO: It can quickly adjust the coronavirus vaccine to cope with viral mutation

January 27th local time, Michael Ryan, head of the WHO Health Emergency Project, said that even if the novel coronavirus evolves to make the vaccine ineffective, I believe we can quickly adjust the coronavirus vaccine.=

Michael Ryan cited influenza as an example.

The northern and southern hemispheres change the composition of influenza vaccine twice a year, so that the appropriate vaccine can be quickly provided to deal with major influenza virus strains.