| Antiviral | EC50 ratio | Phenotype | Strain | Source | Marker | Assay | Reference |
|---|---|---|---|---|---|---|---|
| Ganciclovir | 2.00 | Low level resistance | N/A | N/A | Recombinant | Details | Recombinant phenotyping of cytomegalovirus UL54 mutations that emerged during cell passages in the presence of either ganciclovir or foscarnet. (Sep 2011) |
| Cidofovir | 1.60 | No resistance | N/A | N/A | Recombinant | Details | Recombinant phenotyping of cytomegalovirus UL54 mutations that emerged during cell passages in the presence of either ganciclovir or foscarnet. (Sep 2011) |
| Foscarnet | 1.10 | No resistance | N/A | N/A | Recombinant | Details | Recombinant phenotyping of cytomegalovirus UL54 mutations that emerged during cell passages in the presence of either ganciclovir or foscarnet. (Sep 2011) |