Fig. 2From: Hypervirulent R20291 Clostridioides difficile spores show disinfection resilience to sodium hypochlorite despite structural changesRepresentative TEM images showing the effect of sodium hypochlorite treatment on C. difficile spores. Untreated spores are shown on A (R20291) and B (CD630). These spores are intact, with the exosporium (red), coat (black), cortex (blue) and core (gold arrow) layers clearly defined and intact. The spores appear disrupted after a 1% sodium hypochlorite treatment, with the exosporium and coat layers no longer intact in both C (R20291) and D (CD630). Some spores no longer have an electron-dense core. Scale bars are 1 \(\upmu\)mBack to article page