Fig. 1

Hierarchically clustered heatmaps showing weighted UniFrac distances (β-diversity) between patient samples prior to antibiotic treatment (a), following antibiotic treatment (b), prior to discharge from hospital (c), and following discharge from hospital (d). Light purple indicates samples that are similar to one another, while dark purple shows highly dissimilar samples. The colored bars next to each row indicate disease severity (healthy, moderate CDI, and severe CDI). Colored bars above columns indicate CDI recurrence