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Module 2.3 · Topic 9
Module 2.3 · Topic 9
Deliberately training the system — and what happens when a graft doesn't cooperate
The measles vaccine, from two lessons ago, was framed as "training memory in advance." What wasn't covered is that there are several genuinely different ways to run that training — and the choice between them is a real trade-off between safety and how strong a response you get.
A vaccine made from a living, weakened version of a pathogen versus one made from just an isolated protein fragment — which would you expect to trigger the stronger, more complete immune response?
A vaccine that engages MHC class I presentation and cellular immunity most strongly, similar to a live pathogen, without any actual pathogen being present, is most likely:
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