Vaccines Flashcards
1
Q
What is a pathogen?
A
A microbe that causes disease
2
Q
What is a vaccine?
A
A vaccine contains a dead or inactive pathogen
3
Q
What does a vaccine do?
A
Causes white blood cells to make antibodies
4
Q
Why doesn’t a vaccine work straight away?
A
It takes a few days for white blood cells to make antibodies
5
Q
Why does the concentration of antibodies never reach zero?
A
They are always there so that if someone gets the pathogen they can fight it off straight away
