Variarterivirinae
# Variarterivirinae

Variarterivirinae is a subfamily of enveloped, positive-strand RNA viruses which infect vertebrates. The subfamily is in the family Arteriviridae and order Nidovirales. The subfamily contains three genera.

## Structure

Member viruses are enveloped, spherical, and 45–60 nm in diameter.

## Genome

Variarteriviruses have a positive-sense single-stranded RNA genome.

## Taxonomy

The subfamily Variarterivirinae contains three genera:

* Betaarterivirus
* Gammaarterivirus
* Nuarterivirus
