Definition of vaccine

[zhengj2007]

vaccine
Def: A vaccine is a processed material with the function that when administered, it prevents or ameliorates a disorder in a target organism by inducing or modifying adaptive immune responses specific to the antigens in the vaccine.

Considering vaccine, such as, RNA-vaccine, does not contain any antigen as part of it. We may need to improve the definition.

Proposed Def: A vaccine is a type of material entity with the function to prevent or ameliorate a disorder in a target organism by inducing or modifying adaptive immune responses.

[zhengj2007]

vaccine
def: Material entity that is manufactured to realize the vaccine function.

changed on pull request:
#725