Tremendous progress has been made in understanding the role of T cell immunity in acute and convalescent COVID-19 infection. Here we shed light on the “known unknowns” of pre-existing and acquired T cell responses in relation to acute and convalescent SARS-CoV-2 infection.

中文翻译：

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T细胞对COVID-19的免疫力的已知未知数

在了解T细胞免疫在急性和恢复期COVID-19感染中的作用方面已取得了巨大进展。在这里，我们阐明了与急性和恢复期SARS-CoV-2感染相关的既存和获得性T细胞反应的“已知未知数”。