Experimental mRNA Gene Therapy Covid-19 – Dr. Trozzi

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


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