<p><strong>Supplementary materials</strong></p><p>Supplementary Figure 1. Results of Shapiro-Wilk test for total bacteria count (TBC) in group 1 (G1).</p><p>Supplementary Figure 2. Results of Shapiro-Wilk test for total bacteria count (TBC) in group 2 (G2).</p><p>Supplementary Figure 3. Results of Shapiro-Wilk test for total bacteria count (TBC) in group 3 (G3).</p><p>Supplementary Figure 4. Results of Shapiro-Wilk test for aerosol amount in group 1 (G1).</p><p>Supplementary Figure 5. Results of Shapiro-Wilk test for aerosol amount in group 2 (G2).</p><p>Supplementary Figure 6. Results of Shapiro-Wilk test for aerosol amount in group 3 (G3).</p>