"I can't get sick now, I have so much to do."  Have you heard that from a co-worker? How do you tell them if they are sick to go home? Recent survey says the best way is to put it on yourself. Tell them it's you who's not feeling up to par, so 'Please don't get too close to me'.  I'm much more direct.  If you don't feel well, go home. You'll get better sooner, and you won't infect others at work. Oh,and that sneeze? Germs spread at least 6 feet every time you sneeze.