Here is the definition of : vaccine.

“A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen’s structure that upon administration to an individual stimulates antibody production or cellular immunity against the pathogen but is incapable of causing severe infection.” -The American Heritage® Dictionary of the English Language, 5th Edition

https://drtrozzi.com/2021/01/this-is-not-a-vaccine/