00:01
Is passive immunity? a, permanent.
00:05
B, possibly coming from immunoglobulin injections.
00:08
C, requiring memory b cells, or d, induced by vaccines.
00:13
So remember, passive immunity is not when you're making your own antibodies, it's when you're somehow getting those antibodies against a specific antigen from elsewhere, for example, breast milk.
00:27
So which of these is going to be true? well, it's not going to be permanent.
00:30
Antibodies do degrade, and when they run out, then you've lost your immunity...