Excluding the Frankensteinian Covid19 vaccines, I don’t think your information about vaccines is correct. If it were, polio, diphtheria, measles, and mumps would, instead of being eradicated, or nearly so, have continuously mutated into more lethal forms, which they have not.
Those previous diseases were eradicated with vaccines. The Covid injection does not work like those.
If it were working like previous vaccines, we wouldn’t have this:
https://freerepublic.com/focus/f-chat/3977004/posts