Table 2.

Nucleotide identities of ORFs 1–3 of 14 GII.P31/GII.4_Sydney_2012 strains in this study with reference strains.

Collection Year	ID/Collection Year	Nucleotide Identity
		ORF1		ORF2		ORF3
		JX459908	AB972502	JX459908	AB972502	JX459908	AB972502
		99.29		98.95		98.88
	12241/2013	98.98	99.65	99.01	99.69	98.63	99.75
2013–2016	12283/2014	99.02	99.68	98.71	99.14	98.51	99.63
	12286/2014	99.04	99.63	98.52	99.2	97.76	98.63
	14146/2015	98.8	99.39	98.15	98.83	98.13	99.25
	14147/2015	98.8	99.39	98.15	98.83	98.13	99.25
	14157/2015	98.82	99.49	98.34	99.01	98.38	99.5
	14307/2016	98.72	99.31	98.21	98.64	98.13	99.25
	14311/2016	98.74	99.33	97.97	98.64	98.13	99.25
Average		98.9	99.5	98.4	99.0	98.2	99.3
	17378/2019	97.62	98.07	96.79	97.47	95.9	97.01
2019–2022	18792/2021	97.81	98.31	97.29	97.72	95.52	96.64
	18794/2021	97.81	98.31	97.29	97.72	95.52	96.64
	18821/2021	97.77	98.27	97.23	97.66	95.65	96.77
	18958/2022	97.62	98.13	96.73	97.29	96.39	97.51
	18968/2022	97.72	98.27	96.61	97.16	96.89	98.01
Average		97.7	98.2	97.0	97.5	96.0	97.1