immunisation Flashcards
1
Q
define passive immunity
A
the short-term immunity which results from the introduction of antibodies from another person or animal.
antibodies already made
2
Q
give examples of passive immunity
A
Transplacental transfer
Colostrum
Inject preformed antibody
Snake venom
3
Q
define active immunity
A
the immunity which results from the production of antibodies by the immune system in response to the presence of an antigen.
Elicits protective immunity and immunological memory
4
Q
give examples of how active immunity is acquired
A
natural infection
vaccines