Table 1.

Nucleotide and deduced amino acid differences between WT virus and two DR viruses

	Nucleotide position	Base change from WT	Amino acid change from WT	Protein in which change is located
DR 2	5,249	T to A	Phe to Ile	NS2 (NADL insert)
	8,513	G to A	Ala to Thr	NS4B
	10,863	T to C	Phe to Ser	NS5B
DR 3	1,024	G to A	No change	—
	6,981	A to T	Glu to Asp	NS3
	9,424	G to A	No change	—
	10,863	T to C	Phe to Ser	NS5B