. 2009 Jan 20;140(1):121–129. doi: 10.1016/j.virusres.2008.11.012

Table 1.

Eight IBVs isolated in Taiwan from 1992 to 2007.

Strain	Year of isolation	Chicken type	Age (weeks)^a	Location	Pathogenicity	Genotype^b
1171/92	1992	Broiler	3	Taoyuan	Nephropathogenic	TW-I
2296/95	1995	Broiler	2	Taoyuan	Nephropathogenic	TW-II
2575/98	1998	Broiler	4	Changhua	Nephropathogenic	TW-I
2992/02	2002	Broiler	4	Yilan	Nephropathogenic	Variant
3071/03	2003	Broiler	5.5	Yilan	Nephropathogenic	TW-I
3263/04	2004	Broiler	5.2	Yilan	Nephropathogenic	TW-II
3374/05	2005	Broiler	NA^c	Changhua	NA	Variant
3468/07	2007	Taiwan country chicken	12	NA^c	NA	TW-I

Age of chickens at the time of virus isolation.

Genotype is determined based on the S1 gene. TW-I, Taiwan group I; TW-II, Taiwan group II; Variant, neither TW-I nor TW-II.

NA: Not available.