Hence, T-regs appear to contribute to maintaining immunological memory, a process that is crucial for immunity to repeated infection and that also underlies the success of vaccination.

• 因此，调节性T细胞似乎关系到免疫记忆的维持，这个步骤不但与再感染时的免疫力有关，也是让疫苗得以成功防范疾病的关键机制。