Figure 4From: Effects of amino acid substitutions in the VP2 B-C loop on antigenicity and pathogenicity of serotype Asia1 foot-and-mouth disease virusReactivity of mutant viruses with MAb 1B4 by indirect immunofluorescence. (A) rS154N-infected BHK-21 cells, (B) rD72G-infected BHK-21 cells, (C) rD72N-infected BHK-21 cells, (D) rV107I-infected BHK-21 cells, (E) Asia1/YS/CHA/05-infected BHK-21 cells as a positive control and (F) normal BHK-21 cells as a negative control.Back to article page