Some of tennis ' biggest names , including Roger Federer , have been felled by mono . Extensive training , matches and traveling may make players more vulnerable . Diagnosing the illness can be difficult , says an expert who has worked with athletes with mono . The women 's tennis tour said in an email that player health and well being was a `` priority . '' " It's not a simple thing to diagnose because it is so complex in its biology that you need to know what your body needs for recovery from injury before you start treating it," he says.
Some of tennis ' biggest names , including Roger Federer , have been felled by mono . Extensive training , matches and traveling may make players more vulnerable . Diagnosing the illness can be difficult , says an expert who has worked with athletes with mono . " It's not a simple thing to diagnose because it is so complex in its biology that you need to know what your body needs for recovery from injury before you start treating it," he says.