Table 1.

GenBank accession numbers, geographic origin, years, genome size and genotypes of shandong 40 strains PCV2 genomes sequenced in this study

Sequence number	GenBank accession numbers	Geographic origin	Years	Genome size (bp)	Genotypes
1	KJ511870 a	JI NAN	2013	1767	2d
2	KJ511871 a	YAN TAI	2013	1767	2d
3	KJ511872 a	JI NAN	2013	1767	2b
4	KJ511873 a	RI ZHAO	2013	1767	2d
5	KJ511874 a	JI NAN	2013	1767	2d
6	KJ511875 a	ZI BO	2013	1767	2d
7	KJ511876 a	ZI BO	2013	1767	2d
8	KJ511877 a	ZI BO	2013	1767	2b
9	KP313251	YAN TAI	2014	1767	2d
10	KP313252 a	YAN TAI	2014	1767	2d
11	KP313253 a	YAN TAI	2014	1767	2d
12	KP313254 a	YAN TAI	2014	1767	2d
13	KT284886 a	YAN TAI	2015	1768	2a
14	KT284887	YAN TAI	2015	1768	2a
15	KT284888	YAN TAI	2015	1768	2a
16	KT284889	YAN TAI	2015	1768	2a
17	KX981602 a	BIN ZHOU	2016	1767	2b
18	KX981603 a	BIN ZHOU	2016	1767	2d
19	KX981604 a	YAN TAI	2016	1767	2d
20	MF326353	TAI AN	2016	1767	2d
21	MF326354	TAI AN	2016	1767	2d
22	MF326355	TAI AN	2016	1767	2b
23	MF326356	TAI AN	2016	1767	2d
24	MF326357	TAI AN	2016	1767	2d
25	MF326358	TAI AN	2016	1767	2d
26	MF326359	TAI AN	2016	1767	2d
27	MF326360	TAI AN	2016	1767	2d
28	MF326361	BIN ZHOU	2016	1767	2d
29	MF326362	BIN ZHOU	2016	1766	2d
30	MF326363 a	BIN ZHOU	2016	1767	2b
31	MF326364 a	BIN ZHOU	2017	1767	2d
32	MF326365 a	BIN ZHOU	2017	1768	2a
33	MF326366 a	JI NAN	2017	1767	2b
34	MF326367 a	JI NAN	2017	1767	2d
35	MF326368 a	JI NAN	2017	1767	2d
36	MF326369	YAN TAI	2017	1768	2a
37	MF326370	YAN TAI	2018	1767	2d
38	MF326371 a	JI NAN	2018	1767	2d
39	MF326372 a	JI NAN	2018	1768	2a
40	MF326373	RI ZHAO	2018	1767	2d

^aRepresents the sequence collected and uploaded by our laboratory.