Table 1. Primers used for nested RT-PCR

Genogroup	Primers (Polarity)	Sequence(5’-3’)1)	Position2)
I	GI-F1M (Sense)	CTG CCC GAA TTY GTA AAT GAT GAT	5341–5364
	GI-F2 (Sense)	ATG ATG ATG GCG TCT AAG GAC	5357–5379
	GI-R1M (Antisense)	CCA ACC CAR CCA TTR TAC ATY	5648–5670
II	GII-F1M (Sense)	GGG AGG GCG ATC GCA ATC T	5048–5063
	GII-F3M (Sense)	TTG TGA ATG AAG ATG GCG TCG	5078–5101
	GII-R1M (Antisense)	CCR CCI GCA TRI CCR TTR TAC AT	5366–5388

Degenerate position Y:C/T, R:A/G, I:Inosine.
Primer positions of NoV GI based on GeneBank ID JX023285 and NoV GII based on GeneBank ID JQ622197.