Literally Googled “flu numbers CDC” and it showed a link to ABC and CDC. 29 million cought the flu, 280,000 hospitalized and 16000 deaths in 2019 - 2020. If my math is right, that’s a mortality rate of about 6%.
Your math is off.
Try again.
https://en.wikipedia.org/wiki/List_of_human_disease_case_fatality_rates