TABLE 1.

Virus strains used in this study^a

Genus	Genogroup/cluster	Strain	Accession no.
Norovirus	GII/4	VA387	AY038600
Sapovirus	GI/3	Mex14917	AF435813
	GII/2	Mex340	AF435812
	GII/3	Cruise ship	AY289804
	GIV	Hou7-1181	AF435814
	GV	Arg39	AY289803

^aVirus strains and cDNA clones were obtained in our previous studies (7, 20).