Table 1. Estimated time of most recent common ancestor (TMRCA) for Yamagata-lineage clade 2 and clade 3 viruses.

Gene	Mean TMRCA	95% HPD lower	95% HPD upper
PB1	1993.690	1992.859	1994.292
PA	1996.780	1995.979	1997.474
NP	2002.545	2001.975	2002.995
PB2	2003.070	2002.727	2003.537
NA	2003.100	2002.443	2003.743
HA	2003.240	2002.831	2003.789
NS1	2003.500	2002.942	2003.974
M1	2003.550	2002.628	2004.980