Question

Primary and secondary responses to an injection
containing dead or weakened germs
A- First injection
Amount of antibodies in
serum / antibody units
B-Second
injection
A
B
40
240
280
80 120 160 200
Time after immunisation / days
1.5.1
1.5.2
What happened to the antibody level after the first injection? (2)
What would happen to the person if they encountered the disease
organism after the second injection?
(1)
1.5.3 Mention two common ways of receiving vaccines.
(2)
1.5.4 From what is a vaccine made?
(1)
1.5.5 Which cells in the immune system produce the antibodies? (1)​

Answer 1

Answer:

sorry

Explanation:

i can't answer all questions at a time crop 1 and ask please

I will answer all questions