| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Ganciclovir | 2.60 | Low level resistance | Recombinant | Details | Viral DNA polymerase mutations associated with drug resistance in human cytomegalovirus. (Jul 2003) | ||
| Cidofovir | 3.00 | Intermediate level resistance | Recombinant | Details | Viral DNA polymerase mutations associated with drug resistance in human cytomegalovirus. (Jul 2003) | ||
| Foscarnet | 0.50 | No resistance | Recombinant | Details | Viral DNA polymerase mutations associated with drug resistance in human cytomegalovirus. (Jul 2003) |