Does cousin Daisy Suckley's Diary of Franklin Delano Roosevelt, America's 32nd President, mention a time when he had flu-like symptoms?   He did in 1917
and again just before he died, per Michael Moore documentary / film

  A cheery fellow - 'Happy Days'

The History Channel Documentary 4-23-05 and 4-24-05, 

FDR: A Presidency Revealed talked about things that would be like what overexposure to 2-butoxyethanol would cause: * enlarged heart,  many horrible HEADACHES -   some at the base of the head, tired, ashen/pale color, difficulty finishing thoughts in sentences (short term memory loss), difficulty concentrating. Also high blood pressure (180/105), rapid weight loss (liver?)

Repeated headaches.  Headaches were intensifying

4-11-45 as he went to bed he was 'shivering'    (chills?)  Chills?  Chills?

After an acute headache at the back of his head, he collapsed on 4-12-45 and died a few hours later.  It is reported that he died of a cerebral hemorrhage ... was there an autopsy? NO! If it was advanced stages of the fatigue of CFIDS ... the doctors would not have found it.  They still don't even now - 60 + years later.

      What we would call CFIDS or 'gulf war syndrome' today.

It is now suspected that he didn't have polio, but