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. 2021 Nov 18;7(11):000696. doi: 10.1099/mgen.0.000696

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© 2021 The Authors

This is an open-access article distributed under the terms of the Creative Commons Attribution NonCommercial License.

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Fig. 1. — Distribution of resistant and multidrug-resistant (MDR) C. difficile . The UPGMA phylogenetic tree represents a total of 270 STs included in this study. The black sections indicate that at least one strain in the ST had acquired resistance (AMR) to at least one antimicrobial class. The red stars indicate that at least one strain in the ST was MDR (i.e. had acquired resistance to at least three antimicrobial classes). The pie chart in the middle shows the overall prevalence of MDR C. difficile (black), C. difficile resistance to 1–2 antimicrobial classes (dark grey) and pan-susceptible C. difficile (light grey) among 10 330 C . difficile strains. The bar charts below show the prevalence of resistant and MDR strains in each clade.