a: Active immunity ~
b: making a pie
What:
"Active immunity is like making a pie.. Passive immunity is simply buying a pie. The end result is the same whether you make a pie or buy it, but with active immunity, ? is gained, and immune products can be made over and over again."
Useful?
Writer: Not Stated
LCC:
Where: Reference Link Has Evaporated
Date: Aug 9 2014 3:36 PM
# 6036 Critique Analogy