Neutralization activity of 7 monoclonal antibodies against H5N1 SZ06 and H5N8 NE14 pseudotypes using PN assay. (A to G) The titration of neutralization activity of antibodies 100F4, 65C6, AVFluIgG01, AVFluIgG03, FLA5.10, FLD21.140 and S139/1 against H5N1 SZ06 (green color line) and H5N8 NE14 (red color line) pseudotypes, respectively. (H) The summary of IC50 values of antibodies 100F4, 65C6, AVFluIgG01, AVFluIgG03, FLA5.10, FLD21.140 and S139/1 against H5N1 SZ06 (green line) and H5N8 NE14 (red line) pseudotypes.