Do you mean influenza typically has a mortality of around 0.8% for those 65 and older? It has a mortality of < 0.1% for everyone from the same Wikipedia article

Do you mean influenza typically has a mortality of around 0.8% for those 65 and older? It has a mortality of < 0.1% for everyone from the same Wikipedia article. And CFR, case fatality rate, won't include vaccinated people who didn't get sick so your final calculation doesn't make sense.