| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Letermovir | 1.40 | No resistance | Laboratory strain | Recombinant | Details | First clinical description of letermovir resistance mutation in cytomegalovirus UL51 gene and potential impact on the terminase complex structure. (Aug 2022) |