By Jeremy Armstrong A schoolboy today set off on a 4,000-mile journey for a potentially life-saving transplant, thanks to the Mirror. Jasper Makungu, 10, has sickle cell disease and left his home in Zambia to fly to India for a stem cell transplant that will give him a second chance at a healthy life. The Mirror teamed up with blood cancer charity DKMS to help him. After delays due to health and visa problems, he left Zambia for the first time with mum Carol, 41, a teacher, and sister Mercy, 16 – found to be a match for the op. Dad Jackson said: “It is his chance for a normal life. We are so g…