Patent ID: 9650434
Date: 2017-05-16
CPC Classifications: A61K,A61P,C07K,G01N

Claim:
1. A monoclonal antibody or an antigen binding fragment thereof, which can specifically bind to HA1 domain of different HA subtypes of influenza virus and specifically bind to HA1 domain of HA protein of H1 subtype and H5 subtype of influenza viruses, wherein the monoclonal antibody has the heavy chain and light chain CDRs selected from the group consisting of: 1) the heavy chain CDR1-3 set forth in SEQ ID NOs: 1-3, and the light chain CDR1-3 set forth in SEQ ID NOs: 4-6; 2) the heavy chain CDR1-3 set forth in SEQ ID NOs: 7-9, and the light chain CDR1-3 set forth in SEQ ID NO: 10-12; and 3) the heavy chain CDR1-3 set forth in SEQ ID NOs: 13-15, and the light chain CDR1-3 set forth in SEQ ID NO: 16-18.