TABLE 6.

Sequence identity of a 348-nt region of ORF2 among serotype 4 (deduced from genotype) central Australian astrovirus strains and prototype serotype 4 astrovirus

Strain	% Sequence identity in (yr of isolation)a:
	Prototype	1982 (CAV4A)	1985 (CAV4B)	1994 (CAV4C)	1995		1997 (CAV4F)	1998 (CAV4G)
					CAV4D	CAV4E
Prototype		96.3	94.3	96.6	96.0	96.0	90.8	93.7
CAV4A	99.1		94.3	98.9	98.6	98.6	91.7	93.4
CAV4B	99.1	100		94.5	94.3	94.3	90.8	97.4
CAV4C	99.1	100	100		99.1	99.1	91.4	93.7
CAV4D	99.1	100	100	100		99.4	91.1	92.8
CAV4E	99.1	100	100	100	100		91.7	92.8
CAV4F	99.1	100	100	100	100	100		90.2
CAV4G	99.1	100	100	100	100	100	100

^aNumbers at the top right indicate results of a pairwise comparison of the 348-nt regions, and numbers at the bottom left indicate results of pairwise comparison of the deduced amino acid sequences of the regions.