vaccination Flashcards
1
Q
what happens in vaccination?
A
introducing small quantities of dead or inactive forms of a pathogen into the body
2
Q
during vaccination, what are white blood cells stimulated to produce?
A
white blood cells are stimulated to produce antibodies
3
Q
after vaccination, if the same pathogen re-enters the body what happens?
A
white blood cells respond quickly to produce correct antibodies, making person immune
4
Q
what is herd immunity?
A
idea that if enough people are vaccinated, this also protects unvaccinated people
5
Q
in herd immunity, why cant the unvaccinated person catch the disease?
A
because no-one can pass the pathogen on