Vaccines Flashcards
1
Q
How do viral vector vaccines work?
A
Using viral vectors to deliver the pathogen gene.
Viral vectors have been historically trialled and used in gene therapy.
2
Q
What are the advantages of mRNA vaccines?
A
Easy and quick to design.
Can be updated to target new variants.
3
Q
What is the role of adaptive immune cells?
A
Recognise specific antigens leading to specific responses.
4
Q
How does immune memory work?
A
Innate immune response before adaptive immunity is activated.
Secondary response is quicker, stronger and longer-lasting.
5
Q
How would you calculate vaccine efficacy?
A
VE = (1 - RR) x 100%
