The flu vaccine is not necessary for young healthy people either. The cdc implies this on their website.
"Vaccination to prevent flu and its potentially serious complications is particularly important for people who are at higher risk of developing serious flu complications." Cdc website
The following conditions are considered higher risk.
People at Increased Risk for Flu Complications
Learn more about who is at higher risk of developing potentially serious flu complications.www.cdc.gov
Covid is similar to influenza and if you do not fall in the high risk category, you will receive little benefit from the vaccine, in some situations the side effects of the vaccine may be worse than the illness itself.
You are obviously not a physician.