Avian Influenza A H7N9 Hemagglutinin antibody was raised against a synthetic peptide corresponding to 19 amino acids near the center of the H7N9 [Influenza A virus (A/Shanghai/02/2013(H7N9))] hemagglutinin protein.The immunogen is located within amino acids 350 - 400 of Avian Influenza A H7N9 Hemagglutinin.