DrBob already answered this for you.
http://www.jiskha.com/display.cgi?id=1416198111
Your body can get antibodies from
A. immunizations
B. being exposed to the virus or antibody and having your immune system make it
C. none of the above
D. all of the above
I want to say the answer is D but the none of the above is throwing me off? Am I wrong?
2 answers
It's d 100%