Cant we say this applies to the flu vaccine? This almost validates why I skip it every year.

I get sick after getting the flu vaccine and feel pretty bad for 1-3 days... then I get the flu anyway because they picked the wrong ones.

The normal vaccine is very different. The inmune system learns how to block one virus or bacteria and go to rest until the virus or bacteria appears.

This looks like the inmune system is keep at the emergency level for 3 months.