title: Betaarterivirus
text: # Betaarterivirus
  
  Betaarterivirus is a genus of enveloped, positive-strand RNA viruses which infect vertebrates. The genus is in the family Arteriviridae and order Nidovirales. The genus contains four subgenera and six species.
  
  ## Structure
  
  Member viruses are enveloped, spherical, and 45–60 nm in diameter.
  
  ## Genome
  
  Betaarteriviruses have a positive-sense single-stranded RNA genome.
  
  ## Taxonomy
  
  The genus Betaarterivirus contains four subgenera and six species:
  
  * Ampobartevirus
     * Betaarterivirus suid 2
  * Chibartevirus
     * Betaarterivirus chinrav 1
     * Betaarterivirus ninrav
     * Betaarterivirus sheoin
  * Eurpobartevirus
     * Betaarterivirus suid 1
  * Mibartevirus
     * Betaarterivirus timiclar
  