How common is mononucleosis?
” Evidence can be found on blood testing which shows that about 90% of the population has been exposed to the Epstein Barr Virus which is one cause of mononucleosis at one time in their lives. “Why can’t I play football or hockey if I have mononucleosis and feel fine?” Contact sports are restricted during and after this illness since the spleen is enlarged and if impacted can rupture. Your doctor will obtain an ultrasound which measures the spleen and when it returns to normal in a few weeks you are set to go back to contact sports.