Table 2.

Classification of IBDV isolates by genogroup

Genogroup	Previous classification	Reference strains (GenBank accession Number)
1	Classical	228E (AF457104) D78 (AF499929) F52-70 (AY321953) Lukert (AY918948) STC (D00499)
2	Antigenic variant	AL-2 (JF736011) DelE (AF133904) T1 (AF281238)
3	vvIBDV	Henan (KT884486) HK46 (AF092943) OKYM (AF092943) UK661 (NC_004178)
4	dIBDV	dIBDV/UY/2014/2202 (KT336459) MG4 (JN982252) TY2 (LC136880)
5	Variant/classical recombinant	Mexico04M101 (DQ916210)
6	ITA	ITA-02 (JN852986)
7	Australian	V877-W (HM071991)