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Schematic of SARS-CoV-2 infiltration and neutralization. (A) SARS-CoV-2 viral structure. (B) Neutralizing antibodies developed against SARS-CoV-2. (C) Infiltration of SARS-CoV-2 into the host cell via RBD binding. (D) Neutralizing antibodies bind specifically to a SARS-CoV-2 epitope (RBD in this case) to prevent it from entering the epithelial cell.
