Figure 2. Comparison of pulsed-field gel electrophoresis (PFGE) and core genome multilocus sequence typing (cgMLST) for surveillance of Listeria monocytogenes, France. A) Number of total types and number of types triggering epidemiologic alerts. B) Number of human isolates per epidemiologic alert. C) Number of types within epidemiologic alerts with identified source. D) Time delay (days) between obtaining isolate and typing results. Horizontal lines in panels B and D indicate medians, and boxes indicate 25th and 75th percentiles. Error bars indicate maximum and minimum values.