Extended Data Fig. 2: ELISA reactivity against WA1/2020, Beta, Delta, and Omicron RBD proteins.
From: Vaccines elicit highly conserved cellular immunity to SARS-CoV-2 Omicron
Positive and negative control standards were assessed by ELISA against WA1/2020, Beta, Delta, and Omicron RBD proteins. The positive control standards were known to have 2-3 fold lower antibody titers to Omicron.
