Table 1 Time of most recent common ancestors (tMRCA) for the novel H2N2 virus. Observed closest strains for the H2N2 segments, time of divergence and the mean evolutionary rate are listed

From: Characterization of a Novel Reassortant Influenza A Virus (H2N2) from a Domestic Duck in Eastern China

Gene

Divergence time

Observed closest strain

Mean evolutionary rate (10−3)

PB2

May 2010 (Dec 2009, Oct 2010)

A/mallard/Korea/1203/2010_H10N8

2.133 (1.849, 2.421)

PB1

Jul 2010 (Sep 2009, Mar 2011)

A/duck/Hunan/S11200/2012_H4N6

2.591 (2.344, 2.846)

PA

Jun 2010 (Apr 2009, Jul 2011)

A/duck/Vietnam/LBM185/2012_H6N6

1.864 (1.405, 2.351)

HA

May 2006 (Jan 2005, Aug 2007)

A/environment/Guangdong/2/2009_H2N3

3.859 (3.462, 4.278)

NP

Jun 2010 (Oct 2008, Sep 2011)

A/duck/Vietnam/LBM81/2012_H11N9

1.562 (1.305, 1.816)

NA

Jun 2011 (Jul 2010, Jan 2012)

A/duck/Jiangsu/m234/2012_H5N2

3.049 (2.697, 3.398)

M

Oct 2003 (May 2002, Sep 2004)

A/duck/Eastern-China/29/2004_H6N2

1.696 (1.400, 2.011)

NS

Sep 2009 (Nov 2008, Jun 2010)

A/duck/Nanjing/1102/2010_H4N8

2.357 (1.977, 2.773)

  1. The mean evolutionary rate is represented as the number of substitutions per site per year. The values in parentheses represent the 95% highest posterior density (HPD) intervals.
Back to article page