Table 2.

Evolutionary analysis of Egyptian H5N1 viruses

Virus cluster	Number of viruses	Duration (No. of years)	BEAST Mean (95% HPD)
Egypt classic 2.2.1	75	2006–2009 (4)	4 × 10−3 (3.4 − 4.7 × 10−3)
Egypt endemic 2.2.1.2	221	2009–2014 (6)	6.9 × 10−3 (1.3 − 9.6 × 10−3)
Egypt variant 2.2.1.1	31	2007–2008 (2)	3.8 × 10−3 (1.6 − 6.4 × 10−3)
Egypt variant 2.2.1.1a	38	2008–2011 (4)	7.2 × 10−3 (5.8 − 8.8 × 10−3)
Total Egypt variant 2.2.1.1	69	2007–2011 (5)	6.1 × 10−3 (4.8 − 7.3 × 10−3)
Total Egypt H5N1-2.2.1	365	2006–2014 (9)	5 × 10−3 (2.1 − 6.7 × 10−3)

Evolutionary rate subs/site/year (X10⁻³)