Table 2.

Examples of new proposed dual-typing designations of norovirus strains

Current designation	New designation
GI.P6-GI.6	GI.6[P6]
GI.Pd-GI.3	GI.3[P13]
GII.P1-GII.1	GII.1[P1]
GII.P12-GII.3	GII.3[P12]
GII.Pe-GII.4 Sydney	GII.4 Sydney[P31]
GII.P16-GII.4 Sydney	GII.4 Sydney[P16]
GII.P4 New Orleans-GII.4 Sydney	GII.4 Sydney[P4 New Orleans]
GII.Pe-GII.17	GII.17[P31]
GII.P15-GII.15	GIX.1[GII.P15]
GVI.P1-GIV.2	GIV.2[GVI.P1]