A long-term perspective on immunity to COVID

Generating immunity against the SARS-CoV-2 coronavirus is of the utmost importance for bringing the COVID-19 pandemic under control, protecting vulnerable individuals from severe disease and limiting viral spread. Our immune systems protect against SARS-CoV-2 either through a sophisticated reaction to infection or in response to vaccination. A key question is, how long does this immunity last? Writing in Nature, Turner et al.¹ and Wang et al.² characterize human immune responses to SARS-CoV-2 infection over the course of a year.

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