Figure 3
From: Optimized parameters for effective SARS-CoV-2 inactivation using UVC-LED at 275 nm

Crystal violet staining of Vero E6 cells infected with UV-irradiated SARS-CoV-2. Vero E6 cells were infected with UV-irradiated virus and incubated for 3 days. Cells were then stained with a crystal violet solution.