AOAC Annual Meeting_AIMS

Norovirus • Current classification

• Complete VP1 AA sequences (Capsid) and ORF1 NS region (encodes for the RNA dependent RNA polymerase--RdRp) • Based on RdRp region • 60 P types • 14 GI, 37 GII, 2 GIII, 1 GIV, 2 GV, 2 GVI, 1 GVII, 1 GX • GII.4 variants • Phylogenetic clustering • Endemic in 2 geographically diverse locations