SARS-CoV-2 specific T cell responses are lower in children and increase with age and time after infection

Abstract excerpt

Abstract SARS-CoV-2 infection of children leads to a mild illness and the immunological differences with adults are unclear. Here, we report SARS-CoV-2 specific T cell responses in infected adults and children and find that the acute and memory CD4 + T cell responses to structural SARS-CoV-2 proteins increase with age, whereas CD8 + T cell responses increase with time post-infection. Infected children have lower...

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