Researchers discovered that the TAK1 gene acts like the safety switch that protects cancer cells from the powerful signals generated by CD8+ T cells, key killer cells of our immune system, a media ...

日前，世界卫生组织将猪流感的“疫情预警”级别提至第五级，这表明病毒极有可能会在人与人之间广泛传播，而且由于人类对猪流感病毒没有“先天免疫”能力，因此很可能造成持续性疫情。 请看外电的报道： It was the first time the WHO had declared a Phase 5 outbreak ...