Fig. 2From: Development and efficacy assessment of hand sanitizers and polylactic acid films incorporating caffeic acid and vanillin for enhanced antiviral properties against HCoV-229EInactivation of HCoV-229E in suspension by formulated hand-sanitizers. The error bar represents standard deviations of the means (SD). A-E indicate significant differences (p < 0.05) of each hand-sanitizers by treatment time. The short dash line informs the detection limit (0.5 log TCID50/ml)Back to article page