Perhaps what we're struggling at is finding words that communicate expectations properly. I just read this Wikipedia article on "Innoculation" and it seems we'v

Perhaps what we're struggling at is finding words that communicate expectations properly. I just read this Wikipedia article on "Innoculation" and it seems we've been working at better definitions for about 200 years: https://en.wikipedia.org/wiki/Inoculation#Terminology https://en.wikipedia.org/wiki/Inoculation#Terminology "Vaccine" when first introduced meant "of the cow", i.e. cowpox used as a weaker form of smallpox to provide immunological protection against the dangers of smallpox.