>> Traditional vaccines use an attenuated form of the subject virus.
There are several types of vaccines and only some of them use that approach, and it has not been used for polio since ~2000.

>> Go find what Dr.Mallone, the guy responsible for the development of the mrna vaccine, has to say about the vaccine.
Mallone was not responsible for the mrna vaccine; at best he contributed, along with thousands of other scientists.