Sick people part 2

I must apologize for my sick people rant last week. I admit I have in the past come to work sick so I understand and sympathize with everyone. I guess the rant was just out of total frustration. The guy on the other side of the cube wall (who to be fair is not only a co-worker but a friend) came to work because we had a lot of work to do because we had our product due COB and he didn't want to stick me with it. I know he meant well but every other breath was a hacking cough. It made my head hurt just listening to it, I felt horrible for him. And because he was hyped up on cold medicine I ended up re-doing the work he did because he was sick. I know some times we have to do it and I know I am guilty of it but.....