| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Ganciclovir | 2.10 | Low level resistance | Recombinant | Details | Contrasting drug resistance phenotypes resulting from cytomegalovirus DNA polymerase mutations at the same exonuclease locus. (Sep 2008) | ||
| Cidofovir | 5.10 | High level resistance | Recombinant | Details | Contrasting drug resistance phenotypes resulting from cytomegalovirus DNA polymerase mutations at the same exonuclease locus. (Sep 2008) | ||
| Foscarnet | 0.80 | No resistance | Recombinant | Details | Contrasting drug resistance phenotypes resulting from cytomegalovirus DNA polymerase mutations at the same exonuclease locus. (Sep 2008) |