Anti-SARS-CoV-2 Omicron variant specific Spike (G142D delta143-145VYY) antibody(orb1239983) was raised against a peptide corresponding to 12 amino acids near the amino terminal domain of SARS-CoV-2 Omicron variant (B.1.1.529) Spike protein. The immunogen is located within 130-180 amino acids of SARS-CoV-2 Omicron variant (B.1.1.529) Spike protein.