Eating which, if any, of the following would cause an alteration of the eater's mRNA to produce spike proteins (i.e. the desired effect of mRNA vaccines)?
[A] A pizza sneezed and coofed on by a vaccinated person.
The cooked meat of a vaccinated person.
[C] The vaccine.
(By "vaccine" and "vaccinated" I'm referring to a COVID-19 mRNA vaccine, for any pedants)