Difference between introducing a virus?

Pinkie

Member
Joined
May 29, 2008
Messages
36
Reaction score
0
Points
6
I was in lecture when my professor told us that if viruses were re-introduced into the population, some would behave just as before (I think FMD was his example), but others (WNV) would die out before it could do any harm. Why is that?
 
Back
Top