AUGUSTA, Ga. (AP) — Doctors say a young woman fighting a flesh-decaying bacteria she contracted after a zip line accident remained in critical condition at an Augusta hospital.Officials said Friday that 24-year-old Aimee Copeland was listed in critical condition at the Joseph M. Still Burn Center at Doctors Hospital.Her father Andy Copeland has said it's likely that she will lose her hands and remaining foot to the infection. But he also said Thursday that his daughter is improving, and that she has been coherent and alert.Copeland cut her leg after falling from a homemade zip line May 1.The University of West Georgia graduate psychology student was diagnosed with necrotizing faciitis, an infection that destroys human tissue. She lost most of her right leg to the infection.