10. You’re coughing, a lot.
If you’re coughing every five seconds then you are most likely going to distract your colleagues as well as spread your germs with every cough. You know how you feel when you’re standing next to someone who will not stop releasing a nasty, mucus-filled cough? You cover your face and run the other way, right? Do not be that guy! Stay home until your cough is under control.