What Is Meant By Irradiated Blood?

What Is Meant By Irradiated Blood? Irradiated blood is blood that has been treated with radiation (by x-rays or other forms of radioactivity) to prevent Transfusion- Associated Graft-versus-Host Disease (TA-GvHD). Why is irradiated blood given? Why is blood irradiated? Irradiated blood is used to prevent a very rare but serious complication of blood transfusions called