I had a practice question about a kid with EBV Mono who wanted to play in a football game, and you were asked what you should do. The answer said don't let him play because of a possible splenic rupture, and that confused me a bit. EBV is not a reportable disease, and if you're worried about a rupture of the spleen, you could apply the same principle to many many viral, protozoan, bacterial, etc. diseases that could potentiall cause danger, yet are not reportable diseases. So is there a clear cut answer as to why you should tell someone so that the kid can't play?