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. 2020 Apr 21;64(5):e00440-20. doi: 10.1128/AAC.00440-20

TABLE 1.

Antiviral screening data for tilorone generated under the NIAID-DMID NCEA antiviral in vitro screening services

Virus Strain Genus Type Cell line EC50 (μM) CC50 (μM) SI
CHIK S27 (VR-67) Alphavirus + ssRNAb Vero 76 4.2a 32 7.6
MERS-CoV EMC Betacoronavirus + ssRNA Vero 76 3.7a 36 9.7
a

In vitro antiviral data in Vero 76 cells may underestimate antiviral activity due to lacking interferon pathways.

b

ssRNA, single-stranded RNA.