What does vaccination introduce into the body?
Weakened pathogens or their antigens.
AQA GCSE Combined Science: Trilogy (8464) — Biology — Foundation · 4.3.1.7
Revise AQA GCSE Combined Science: Trilogy (8464) — Biology — Foundation specification point 4.3.1.7, Vaccination, with free active-recall flashcards. Flip through the set or review every question and answer below.
1 / 4
What does vaccination introduce into the body?
Weakened pathogens or their antigens.
What two things do vaccine antigens stimulate lymphocytes to produce?
Antibodies and memory cells.
How do memory cells formed after vaccination provide long-term immunity?
They allow a response to the pathogen on later exposure.
Why does protecting people from infection through vaccination help control disease spread?
It reduces opportunities for the pathogen to pass between hosts.