Fig. 1

Concentration of infectious SARS-CoV-2 virus, expressed as log10 PFU/mL, in supernatants from Calu-3 cell cultures following a 4 h incubation with 400 µL of PBS (negative control), AS-NS, NO-NS, Carr-NS, or HPMC-NS.

Concentration of infectious SARS-CoV-2 virus, expressed as log10 PFU/mL, in supernatants from Calu-3 cell cultures following a 4 h incubation with 400 µL of PBS (negative control), AS-NS, NO-NS, Carr-NS, or HPMC-NS.