me. reporter: nine weeks ago she contracted a brain eating infection at an arkansas water park. there have only been 128 known in effect shuns like hers in the u.s. in the past 50 years and miraculously kaylee is the third person to survive. i can feel i ve gotten better. reporter: more miraculous, she s going home. what are your thoughts going to be when you get home? play with khloe, my dog khloe. i love her since she s been about one. reporter: kaylee has undergone intensive therapy. three more. three more, you can do it. reporter: and takes special medication flown in from germany. doctors say it was the speed with which her mother brought her to the hospital after being infected that made all the difference. that quick thinking mother said she couldn t be more relieved. do you remember what you said the first time you spoke to me? momma, i m ecstatic. reporter: now with a renewed