(a) 高剂量辐射会产生免疫抑制，这主要是由于细胞被破坏所致。淋巴细胞对于辐射非常敏感，这些细胞的数量减少目前被用作事故急性照射量的一个早期指标。辐射造成的免疫参数变化似乎更多地取决于总剂量，而不是剂量率。已经观察到电离辐射照射后对免疫系统产生的持续影响；
(a) High doses of radiation produce immunosuppression mainly due to the destruction of cells. Lymphocytes are very radiosensitive and their reduction is currently used as an early indicator of the level of an accidental acute exposure. Radiation-induced changes in immune parameters seem to be more dependent on total dose than on dose rate. Persisting effects on the immune system have been observed after exposure to ionizing radiation;