According to The American Heritage® Dictionary of the English Language, 5th Edition.
A vaccine is:
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.
n.
A preparation from the cowpox virus that protects against smallpox when administered to an individual.
**This c19 shot does NOT use modified, killed or live pathogen(s)
***The cdc has recently changed the definition as follows.
Vaccine: A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease. Vaccines are usually administered through needle injections, but can also be administered by mouth or sprayed into the nose.
Stop calling it a "vaccine", it is not.
According to The American Heritage® Dictionary of the English Language, 5th Edition.
A vaccine is:
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.
n.
A preparation from the cowpox virus that protects against smallpox when administered to an individual.
**This c19 shot does NOT use modified, killed or live pathogen(s)
***The cdc has recently changed the definition as follows.
Vaccine: A product that stimulates a person’s immune system to produce immunity to a specific disease, protecting the person from that disease. Vaccines are usually administered through needle injections, but can also be administered by mouth or sprayed into the nose.