Our Immune Systems Blanket the SARS-CoV-2 Spike Protein with Antibodies

May 4, 2021 • by Marc Airhart
Image of a SARS-CoV-2 spike protein

An analysis of blood plasma samples from people who recovered from SARS-CoV-2 infections shows that most of the antibodies circulating in the blood -- on average, about 84% -- target areas of the viral spike protein outside the receptor binding domain (RBD, green), including the N-terminal Domain (NTD, blue) and the S2 subunit (red, yellow). Illustration credit: University of Texas at Austin.


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