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Fig. 2 | BMC Infectious Diseases

Fig. 2

From: Disinfection efficiency test for contaminated surgical mask by using Ozone generator

Fig. 2

Percent virucidal effect of ozone treatment at different times of exposure. The virucidal effects of ozone were determined in a 0.53 m3 box (black bars) and a 1.6 m3 box (light grey bars) after 0 min, 15 min, 30 min, 1 h and 2 h of treatment. The dark grey bars show the percentage (%) death of the virus in a control tube without O3 treatment. The data represent the mean and SD of the ozone killing effect, and the value of each is also shown in the table under the graph

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