Optimization and Validation of Indirect ELISA Using Truncated TssB Protein for the Serodiagnosis of Glanders amongst Equines

Figure 5

Distribution of PP% value of positive and negative serum samples. The horizontal line represents the cutoff value [percent positivity (PP% = 30)]. Glanders positive serum is indicated by + sign, dot represents the test serum samples, and melioidosis positive human serum is indicated by × symbol.