Once your body is accustomed to a _______, the real version has a much harder time replicating itself in your system.
A. vaccine
B. parasite
C. pathogen
D. bacterium

I got C!

Question

Once your body is accustomed to a _______, the real version has a much harder time replicating itself in your system. 
	A.	vaccine
	B.	parasite
	C.	pathogen
	D.	bacterium


I got C!

anonymous · Answer

@thomaster

thomaster · Answer

the real version. What do you think they mean with that?

anonymous · Answer

a pathogen is what creates a bacteria, so when they say real version their meaning bacterium

thomaster · Answer

No, with the real version they mean a virus that can actually cause disease. The fake version is introduced to the immune system so that it will produce antibodies against this virus. Now when the real virus is there, the antibodies are ready to destroy them. 

What is this fake virus called?

thomaster · Answer

You already solved this question?

thomaster · Answer

@katlin95

anonymous · Answer

yep i solved it:)