Rockefeller University Press, Journal of Experimental Medicine, 4(218), 2021
DOI: 10.1084/jem.20210210
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Maintaining virus-specific adaptive immunity is critical for ongoing protection against SARS-CoV-2 infection. In this issue, Breton et al. (2021. J. Exp. Med.https://doi.org/10.1084/jem.20202515) identify polyfunctional SARS-CoV-2–specific T cell responses in the peripheral blood of individuals who recovered from COVID-19 that were present at 1 mo and persisted until 6 mo after infection.