A three-year old Natasha a relapse of leukemia. Last summer she was preparing to go to kindergarten, medical tests, and blood counts were so bad that the girl was immediately hospitalised. She was diagnosed with acute myeloid leukemia. She underwent chemotherapy, a bone marrow transplant from her sister, and the disease has receded – but 6 months later returned.Natasha now needs urgent re-transplantation. Will be the donor mother, but for pre-transplant conditioning and prevention of infections Natasha needs a lot of different drugs", Mileran", "Tepedino", "fludarabine", "Thymoglobulin", "Vfend", which is in the hospital right now. We cannot postpone transplantation, but also to buy all these drugs Natasha's parents could not afford the total cost is 6000$.