Table 1. Characteristics of reference viruses.
| YF | CPX | CoxB3 | H3N2 | MS2 | T4 | |
|---|---|---|---|---|---|---|
| Particle size (nm) | 50 | 50–300 | 30 | 80–120 | 26 | 45–230 x 825 |
| Density (g.cm -3 ) | 1.19 (sucrose) | 1.17–1.18 (sucrose) | 1.33–1.45 (CsCl) | 1.19 (sucrose) | 1.46 (CsCl) | 1.50 (CsCl) |
| Sensitivity to CsCl [32–35] | yes | yes | no | yes | no | no |
| Envelope | yes | yes | no | yes | no | no |
| Capsid | icosahedral | helical | icosahedral | helical | icosahedral | icosahedral with tail |
| Genome organization | linear ssRNA, positive sense, non-segmented, 10.8 kb | linear ssRNA, ambisense, segmented (N = 2), 11 kb | linear ssRNA, positive sense, non-segmented, 7.4 kb | linear ssRNA, negative sense, segmented (N = 8), 13.5 kb | linear ssRNA, positive sense, non-segmented, 4 kb | linear dsDNA, 169 kb |
| Viral family | Flaviviridae | Arenaviridae | Picornaviridae | Orthomyxoviridae | Leviviridae | Myoviridae |