T Cell Responses to SARS-CoV-2.
Annu Rev Immunol
; 41: 343-373, 2023 04 26.
Article
in English
| MEDLINE | ID: covidwho-2280621
ABSTRACT
A large body of evidence generated in the last two and a half years addresses the roles of T cells in SARS-CoV-2 infection and following vaccination. Infection or vaccination induces multi-epitope CD4 and CD8 T cell responses with polyfunctionality. Early T cell responses have been associated with mild COVID-19 outcomes. In concert with animal model data, these results suggest that while antibody responses are key to prevent infection, T cell responses may also play valuable roles in reducing disease severity and controlling infection. T cell memory after vaccination is sustained for at least six months. While neutralizing antibody responses are impacted by SARS-CoV-2 variants, most CD4 and CD8 T cell responses are preserved. This review highlights the extensive progress made, and the data and knowledge gaps that remain, in our understanding of T cell responses to SARS-CoV-2 and COVID-19 vaccines.
Keywords
Full text:
Available
Collection:
International databases
Database:
MEDLINE
Main subject:
SARS-CoV-2
/
COVID-19
Type of study:
Prognostic study
Topics:
Vaccines
/
Variants
Limits:
Animals
/
Humans
Language:
English
Journal:
Annu Rev Immunol
Year:
2023
Document Type:
Article
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