Login With Google
SARS-CoV-2-specific T cell immunity prevents recurrent severe COVID-19 disease
Why is it in News:
- Natural exposure or infection with the novel coronavirus may “prevent recurrent episodes of severe COVID-19”, a paper published in Cell.
T cell:
- T cell is a type of lymphocyte, which develops in the thymus gland.
- It plays a central role in the immune response.
- T cells can be distinguished from other lymphocytes by the presence of a T-cell receptor on the cell surface.
- These immune cells originate as precursor cells, derived from bone marrow.
- Their roles include directly killing infected host cells, activating other immune cells, producing cytokines and regulating the immune response.