English AGROVOC
BT
Viruses
NT
Arteriviridae
NT
Arterivirus
NT
Equine arteritis virus
NT
Lelystad virus
NT
Coronaviridae
NT
Coronavirus
NT
Avian infectious bronchitis virus
NT
Feline peritonitis virus
NT
Porcine coronavirus
NT
Transmissible gastroenteritis virus
RT
Animal viruses
(Lao)
Nidovirales
(French)
Nidovirales
(Spanish)
Nidovirales