Qa-1-Restricted CD8+ T Cells Can Compensate for the Absence of Conventional T Cells during Viral Infection

？ MHC class Ib-restricted CD8+ T cells participate during MCMV infection ？ This population behaves like conventional T cells, rather than innate-like T cells ？ These cells can protect against MCMV-induced lethality without other T and B cells ？ Qa-1-restricted cells are an essential component for the non-classical respons