Infection is a FFA game your fighting against everyone to win. So having someone camping a little in front of you as a decoy and lets you know if there coming that way by him dieing or him shooting while you can still get most of the kills is a good plan. (don't be afraid to steal any kills.) Also for some reason I'm not sure if its lag but I seem to really suck with a shotgun in infection :S (not because of the evade lol)
I made an account solely to thank you for these tips . Ive always camped on Infection matches and never got more than a single digit score . Now that I've gone zombie hunting , well , y'know . Keep up the good work
This sort of 'secret' has worked out well. I've just got 25 kills and Killtocity in a match. I will get details up soon, but I enjoyed an epic last stand in the 2nd round thanks to this tip.