Systematic Veterinary Virology

CLASSIFICATION

For DHV I

Baltimore group	Group IV – Positive sense RNA viruses
Order	Nidovirales
Family	Picornaviridae
Genus	Enterovirus
Species	Duck viral hepatitis virus I

For DHV II

Baltimore group	Group IV – Positive sense RNA viruses
Order	Nidovirales
Family	Astroviridae
Genus	Avastrovirus
Species	Duck viral hepatitis virus II