Déjà vu – memory T cells have seen SARS-CoV-2 before.

Newly-Discovered Is Not New. In early September we first highlighted the incorrect designation of SARS-CoV-2 as a ‘novel’ or ‘new’ coronavirus when it should have been designated ‘newly-discovered’. There is a subtle but fundamental difference: something that is new did not previously exist whereas something that is newly-discovered already existed but not been discovered yet. […]

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