A sniffle. A cough. A sore throat. You know the drill. We all come down with illnesses sooner or later. Some are contagious, some not. How do you know when to keep your child or yourself (Yes, I teach adult lessons too!) home? It’s a tough call because you don’t want to miss a lesson, but here is my advice: “When in doubt, don’t.”  I do not want you to waste your money for a lesson if you have any doubts at all. And, I do not want to get sick. Here are some slam dunk reasons to definitely NOT come to swim lessons: Fever, vomiting, moderate to severe cough, pinkeye, headache, rash, earache, respiratory symptoms and last but not least – diarrhea. If…