The flu shots are based on live-attenuated virus. The antibodies generated are fairly similar with the ones after infection. Not the case with the current covid vaccines.
However, here's an article about the flu vaccines.
https://drjewilliams.com/blog/natural-immunity-flu-shot/
"Secondly, if getting infected right after vaccination increases a young person's risk, that would show up in the data."
Yes, this is what's happening in Israel right now.
The flu shots are based on live-attenuated virus. The antibodies generated are fairly similar with the ones after infection. Not the case with the current covid vaccines. However, here's an article about the flu vaccines. https://drjewilliams.com/blog/natural-immunity-flu-shot/