I am 59 year old female, very healthy all my life except granulocytopenia at 11 and acute epstein-barr diagnosed in 1997 (3 years to 2000). Over the past 15 + years, I have been very active: karate, cross fit classes, weight and cardio training - very fit. The only flu I've had, even, was in August 2015. In November 2015 I recognized an ongoing, persistant fatigue, generally not feeling well. I gave up karate in January 2016 but continued my fitness classes & gym, as much as I could.