| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Letermovir | 8.60 | High level resistance | Laboratory strain | Recombinant | Details | A third component of the human cytomegalovirus terminase complex is involved in letermovir resistance. (Dec 2017) |
| Mutant | Resistances |
|---|---|
| L257I |
Letermovir:
|