Figure 6
From: A large-scale assessment of hand hygiene quality and the effectiveness of the “WHO 6-steps”
Some examples of evaluated images. Clean areas shine under UV light, dirty areas appear darker: (a)-(b) adequately cleaned hands; (c) small mistake on the palmar side; (d) small mistake on the dorsal side; (e) and (f) big mistakes on both sides; (g) mistakes in the area of fingers and thumbs; (h) mistake in the proximity of wrist crease.