Originally Posted by wdmmom:
I would ask the parents in person...(they are less liable to lie to your face or able to concoct a quick story). If he was in fact sick and hand them a copy of your illness policy and tell them you don't appreciate not knowing and that their child infected other children.
I would not ASK if you already pretty much know the answer.
Say "lil Johnny mentioned that he threw up several times and I just want to remind you of my sickness policy."