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Arteriviridae is a family of enveloped, positive-strand RNA viruses in the order Nidovirales which infect vertebrates.[1][2] Host organisms include equids, pigs, Possums, nonhuman primates, and rodents. The family includes, for example, equine arteritis virus in horses which causes mild-to-severe respiratory disease and reproductive failure, porcine reproductive and respiratory syndrome virus type 1 and type 2 in pigs which causes a similar disease, simian hemorrhagic fever virus which causes a highly lethal fever, lactate dehydrogenase–elevating virus which affects mice, and wobbly possum disease virus.[3][4]
| Arteriviridae | |
|---|---|
 | |
| Arterivirus virion | |
 | |
| Equine artevirus genome | |
Virus classification  | |
| (unranked): | Virus |
| Realm: | Riboviria |
| Kingdom: | Orthornavirae |
| Phylum: | Pisuviricota |
| Class: | Pisoniviricetes |
| Order: | Nidovirales |
| Suborder: | Arnidovirineae |
| Family: | Arteriviridae |
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Member viruses are enveloped, spherical, and 45–60 nm in diameter.[5]
Arteriviruses have a positive-sense single-stranded RNA genome.[5]
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The family Arteriviridae contains the subfamilies:[6]
- Crocarterivirinae
- Equarterivirinae
- Heroarterivirinae
- Simarterivirinae
- Variarterivirinae
- Zealarterivirinae
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