Table 2.

Estimates of average genetic distances among and within RSV‐B genotypes

	GB1 (22)	GB2 (28)	GB3 (4)	GB4 (21)	GB5 (1149)	GB6 (13)	GB7 (18)
GB1 (22)	0.032 SE:0.004
GB2 (28)	0.072 SE:0.008	0.037 SE:0.004
GB3 (4)	0.073 SE:0.008	0.064 SE:0.007	0.015 SE:0.002
GB4 (21)	0.08 SE:0.01	0.077 SE:0.009	0.066 SE:0.009	0.011 SE:0.002
GB5 (1149)	0.087 SE:0.008	0.077 SE:0.007	0.072 SE:0.008	0.083 SE:0.008	0.032 SE:0.003
GB6 (13)	0.059 SE:0.007	0.056 SE:0.006	0.049 SE:0.007	0.059 SE:0.008	0.061 SE:0.008	0.017 SE:0.004
GB7 (18)	0.074 SE:0.009	0.068 SE:0.008	0.064 SE:0.009	0.066 SE:0.009	0.075 SE:0.009	0.052 SE:0.007	0.022 SE:0.003

Calculations were done for genotypes defined from a phylogenetic tree with 1259 unique RSV‐B sequences of the G‐ectodomain region. The number of sequences of each genotype is shown in parenthesis. P‐distances within genotypes are denoted in bold. Standard error (SE) estimates are shown next to the average genetic distances.