APOA1 and infection: Infection of the Vero cell monolayer with 5 × 106 CPE/mL SARS-CoV-2 in the presence of 100 ng/mL of one of the tested cytokines (“Altevir”, ryIFN, or ryIFN-ApoA-I) in the culture medium contributed to the preservation of the cell monolayer (Figure 2B).