How sick is too sick?

Teachers often struggle with knowing when they're too sick to go to work. On one hand, we work around people all day, and many of those people may have weak immune systems. On the other hand, writing a decent sub plan at 6 a.m. can feel just as taxing as going in to work. Well, friends, here's a very clear guide to help you decide whether your sickness merits a quarantine. Stay healthy!

Image courtesy of mcfarlandmo via flickr.