Fig. 4From: A novel film spray containing curcumin inhibits SARS-CoV-2 and influenza virus infection and enhances mucosal immunityAntiviral effect of curcumin film spray against SARS-CoV-2 examined by plaque reduction assay. Dose-response curve of antiviral activity of curcumin film spray against; (a) SARS-CoV-2, (b) influenza A/H1N1, (c) influenza A/H3N2, and (d) influenza B viruses, (e) Diagram for antiviral activity screening by plaque reduction assay, (f) Photo of plaque reduction assay experiment. Each concentration of the film spray was performed in triplicate wellsBack to article page