Major effect of today’s flu vaccines is to greatly lessen your chance of dying, even though vaccinated still have 40 to 60% chance of some milder episode of flu illness.

There is a fear that future COVID-19 vaccines will turn out similar:
less death
but still an episode of illness....

https://www.statnews.com/2020/05/22...m_term=0_8cab1d7961-ff37996f74-152004137