antitoxin
Artificially acquired active immunity.
The English phrase 'passive immunity' means an impermanent form of acquired immunity in which antibodies against a disease are acquired naturally (as through the placenta to an unborn child) or...
Passive immunity is the transfer of active humoral immunity in the form of readymade antibodies, from one individual to another
Activve is by vacciantion nastural is when the body fights of the disease