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[Preprint]. 2024 Jan 12:2023.02.10.527147. [Version 3] doi: 10.1101/2023.02.10.527147

PMC10370084.2; 2023 Jul 20
PMC10370084.3; 2024 Jan 12

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Figure 8. — Viral infectivity measurement of supernatants collected from the indicated cell lines infected with SARS-CoV-2 for 24 hours. (A) Viral titer of supernatants collected from the indicated cell lines infected with SARS-CoV-2. Infectious titer was determined by TCID₅₀ endpoint dilution assay in VeroE6 cells and expressed in focus forming units per mL of supernatant (FFU/mL). (B) Infectivity of SARS-CoV-2 particles generated from cell lines in (A). Infectivity of viral particles was calculated with the formula [(FFU/mL)/(viral genomic RNA copies/mL)], and expressed in FFU per 100 genomic copies.