Question

PLEASE HELP ME. RESULTS ARE GOING TO MY FINAL GCSE GRADE :)

Describe and explain the changes between the first and second vaccine.

Answer 1

from what we see from the graph when the children had the 1st vaccine antibodies in the blood raised. then the concentration of the antibodies depleted, after the children had the second dose of the measles vaccine again, the antibodies in the children's blood raised drastically then the first dose.