Table 1.

Average number of nucleotide distance between CTV isolate groups in different genomic regions.

CTV region	CTV group	Da
P349-B	Mild	0.008 ± 0.002
	Severe	0.233 ± 0.014
	All	0.143 ± 0.009
P349-C	Mild	0.008 ± 0.002
	Severe	0.278 ± 0.013
	All	0.170 ± 0.012
CP	Mild	0.003 ± 0.001
	Severe	0.066 ± 0.007
	All	0.054 ± 0.006
P13	Mild	0.002 ± 0.001
	Severe	0.094 ± 0.011
	All	0.068 ± 0.008
P23	Mild	0.022 ± 0.003
	Severe	0.086 ± 0.008
	All	0.078 ± 0.007

^aD, nucleotide diversity (average number of nucleotide substitution per site between pair of sequence).