Fig. 1: Timeline of key discoveries in the immune response to SARS-CoV-2.
From: The first 12 months of COVID-19: a timeline of immunological insights

In the case of data that were posted as preprints before peer-reviewed publication, the timeline follows the date of the preprint but the reference list details the peer-reviewed journal publication. ACE2, angiotensin-converting enzyme 2; COVID-19, coronavirus disease 2019; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.