What the dog gets is an actual vaccine, defined as:
A preparation of a weakened or killed pathogen, such as a bacterium or virus, or of a portion of the pathogen's structure, that is administered to prevent or treat infection by the pathogen and that functions by stimulating the production of an immune response.
Kozel 3 points 2.8 years ago
What the dog gets is an actual vaccine, defined as:
What humans get is nothing of the sort.