Table 2. Estimated tMRCA of influenza A(H9N2) virus sublineages, Pakistan*.

Gene and lineage	tMRCA (date)
	Mean	Upper 95% HPD	Lower 95% HPD
H9-HA
Sublineage B1	2003.27 (2003 Apr 10)	2003.86 (2003 Nov 11)	2002.62 (2002 Aug 16)
Sublineage B2	2005.81 (2005 Oct 24)	2006.70 (2006 Sep 14)	2004.74 (2004 Sep 29)
2015–2016 (Pakistan)	2010.95 (2010 Dec 14)	2012.49 (2012 Jun 29)	2009.32 (2009 Apr 28)
N2-NA
Sublineage B2	2006.84 (2006 Nov 4)	2007.89 (2007 Nov 22)	2005.74 (2005 Sep 29)
2015–2016 (Pakistan)	2010.71 (2010 Sep 18)	2012.23 (2012 Mar 26)	2009.29 (2009 Apr 17)

*HA, hemagglutinin; HPD, highest posterior density; NA, neuraminidase; tMRCA, time to the most recent common ancestor.