Fig. 8From: A large-scale investigation of alcohol-based handrub (ABHR) volume: hand coverage correlations utilizing an innovative quantitative evaluation systemResults of drying time measurements. a Drying time and volume correlation without taking hand size into consideration b Drying time and Specific Hand Coverage correlation (hand size taken into consideration). Note: WHO guidelines mention that hand rubbing should take 20–30 s, while the typically prescribed 2.5–3 ml ABHR volume requires longer time to dryBack to article page