(subclass Orthopoxvirus Chordopoxvirinae) | VirusProteinAndCellPart.kif 183-183 | Orthopoxvirus is a subclass of chordopoxvirinae |
(subclass VacciniaVirus Orthopoxvirus) | VirusProteinAndCellPart.kif 186-186 | Vaccinia virus is a subclass of orthopoxvirus |