Table 1.

Distribution of Bovine viral diarrhea virus (BVDV) subgenotypes in the Americas.

Country	Genomic Region	Year of Isolation	BVDV-1																						BVDV-2					Reference
			a	b	c	d	e	f	g	h	i	j	k	l	m	n	o	p	q	r	s	t	u	?	a	b	c	d	?
Argentina	5′UTR, Npro, E2	1984–2010	23	36	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	2	5	4	1	1	4	(I)
Brazil	5′UTR, Npro, E2	1994–2016	54	20	4	24	1	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	2	2	50	-	-	3	(II)
Peru and Chile	5′UTR	1993–2004	3	29	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	5	(III)
USA	5′UTR, Npro, E2	1971–2015	184	652	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	129	4	-	-	125	(IV)
Canada	5′UTR	1990–1993	1	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	3	-	-	-	-	(V)
Uruguay	5′UTR, Npro	2014	12	-	-	-	-	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	(VI)
Total number			277	738	6	24	1				2													7	139	59	1	1	137

?: Genotyping was not performed. References (I): [48,49,50,51,52]; (II): [7,43,49,52,53,54,55,56,57,58]; (III): [59,60]; (IV): [39,44,49,61,62,63,64,65,66,67,68,69,70]; (V): [49,71]; (VI): [72]. In [57] the year of virus isolation was not displayed in the study. 5′UTR: 5′ untranslated regions.