Much like a new influenza vaccine needs to be developed every year, scientists have discussed yearly vaccines against SA

[answerhappygod]

Much like a new influenza vaccine needs to be developed everyyear, scientists have discussed yearly vaccines against SARS-CoV 2virus to limit the spread of COVID-19. To date, some people havetaken the original series of vaccines and up to two booster shots.Based on your understanding of antigens and the specificity ofadaptive immune responses, explain why it is likely that peoplewill have to take yearly COVID-19 vaccinations? How would youexplain the need for yearly vaccinations to a family member orfriend?