Table. List of oligonucleotide primers used to examine emergence of novel norovirus GII.4 strains on 3 continents* .

Primer names	Sequence, 5′ → 3′	Orientation	Nested reverse transcription PCR
NV6e	ACC AYT WTG ATG CAG ACT A	Forward	Round 1
NV6f	ACC AYT ATG ATG CTG ATT A	Forward	Round 1
NV6g	ATC AYT ATG ATG CWG AYT A	Forward	Round 1
NV357a	CGC CAG TCC AGG AGT CCA AAA TY	Reverse	Round 1
NV378	GCT TAC GAA TGT GAG CGA A	Reverse	Round 2

*Primers were used to amplify complete ORF2 and ORF3 genes of GII.4 San Francisco strains from Gabon. ORF, open reading frame