Dodatak:Popis virusa, O

Ok

Okavirus

• Okavirus gill-associated virus

Viruses → Nidovirales → Roniviridae

Ol

, Oleavirus:

Om

, Omegapapillomavirus: , Omegatetravirus: , Omikronpapillomavirus:

Op

, Ophioviridae , Ophiovirus:

Or

, Orbivirus: , Orthobunyavirus: , Orthohepadnavirus: , Orthomyxoviridae , Orthopoxvirus: , Orthoreovirus: , Oryzavirus:

Os

, Oscivirus: , Ostreavirus:

Ou

, Ourmiavirus: