| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Letermovir | 1.80 | No resistance | Laboratory strain | Recombinant | Details | Comparison of Cytomegalovirus Terminase Gene Mutations Selected after Exposure to Three Distinct Inhibitor Compounds. (Nov 2017) | |
| Maribavir | 0.09 | Possible hypersensitivity, no resistance | Laboratory strain | Recombinant | Details | Antiviral activity of maribavir in combination with other drugs active against human cytomegalovirus. (Sep 2018) |