TABLE 2.

Nucleotide substitution rates of globally collected H11N2 viruses and 2013-2014 H11N2 viruses from Antarctica^a

Segment	Nucleotide substitution rate (10−3) of H11N2 viruses
	Globally collected viruses			Antarctic viruses
	Mean	95% lower HPD	95% upper HPD	Mean	95% lower HPD	95% upper HPD
PB2	2.44	2.29	2.59	1.1	0.8	1.3
PB1	1.71	1.47	1.94	1.4	1.0	1.9
PA	2.26	1.97	2.56	2.3	1.5	3.2
HA	2.9	2.3	3.5	1.2	0.9	1.6
NP	2.07	1.89	2.24	1.0	0.7	1.3
NA	2.8	2.4	3.1	1.8	1.4	2.2
MP	1.72	1.45	2.01	1.4	0.6	2.3
NS	1.47	1.30	1.65	1.5	0.9	2.2

^aHPD, highest posterior density.