The cultures were pretreated with basal medium containing compounds at different concentrations for one h before infection with 100 l SARS-CoV-2 inoculum (1,000 TCID50 per insert). On the day of the experiment, the cultures were pretreated with a basal medium containing compounds for 1 h before infection with 100 l SARS-CoV-2 inoculum. The viral inoculum…