Passive Immunity. Passive immunity is provided when a person is given antibodies to a disease rather than producing them through his or her own immune system. ... This is the major advantage to passive immunity; protection is immediate, whereas active immunity takes time (usually several weeks) to develop.
Passive immunity is the transfer of active humoral immunity of ready-made antibodies. Active immunity refers to the process of exposing the body to an antigen to generate an adaptive immune response.
