In a news conference earlier Friday, Banda told reporters she was kept "in the dark" regarding the president's condition.

CNN: STORY HIGHLIGHTS

Due to this lapse in expertise and awareness of this mental condition, parents are often in the dark and without guidance in diagnosing and caring for their autistic child.

FORBES: Autism Is Not Just An American Thing

But Wilson's doctors and his wife Edith hid the seriousness of his condition so well that even Congress was in the dark.

CNN: Heart Murmurs