Classification

• 2 genera :

• • Coronaviruses :
  • • • group 1 : transmissible gastroenteritis, feline and porcine coronavirus
      • group 2 : rat and human coronavirus, SARS
      • group 3 : Turkey coronavirus, Rabbit coronavirus, Infectious bronchitisvirus
  • Toroviruses : e.g. Equine torovirus