noun
inactivated vaccine
A vaccine made from killed pathogens; used in medical contexts.
不活化ワクチンは、病原体を殺して作られます。
Inactivated vaccines are made by killing the pathogen.
生ワクチン is a live attenuated vaccine, while 不活化ワクチン uses killed pathogens.
Compound of 不活化 (inactivation) + ワクチン (vaccine), a direct calque of the English medical term.