Fig. 5

GMT of NAs against the vaccine used on the farm and against the PRRSV-1 field isolates used in the study. Each box represents the range between 25 and 75% of the observations. The line inside each box represents the median. The whiskers above and below each box extend up to 1.5 times the interquartile range (ICR). Points represent outliers. Different letters indicate statistically significant differences