Fig. 1From: Development of a competitive chemiluminescence immunoassay using a monoclonal antibody recognizing 3B of foot-and-mouth disease virus for the rapid detection of antibodies induced by FMDV infectionReceiver operating characteristic (ROC) analysis for the determination of the cut-off value of the 3B-cCLIA. a, c, e Interactive dot diagram of the 3B-cCLIA in testing sera from swine, cattle, and sheep. 0, negative serum samples (n = 410, 175, and 61); 1, positive serum samples (n = 107, 70, and 52). b, d, f Each point on the ROC curve represents a sensitivity–specificity pair in testing the sera from swine, cattle, and sheepBack to article page