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Table 4 The patterns of the HA cleavage site of H5N1 virus isolates (2006–14) genetically characterized in Egypt

From: Phylodynamics of avian influenza clade 2.2.1 H5N1 viruses in Egypt

Cleavage site AA pattern Years of detection Cluster Total
2.2.1 2.2.1.2 2.2.1.1 2.2.1.1a
ERRRKR 2006–2007 23     23
EKRRKR 2006–2007 2     2
ERRRRKR 2007 1     1
ERRRKKR 2007–2012 42 109 31 7 192
EKRRKKR 2008–2014 1 110    111
DGRRKKR 2009     1 1
EGRRKKR 2009–2011     23 22
KSRRKKR 2009 6     6
ERKRKKR 2010   1    1
EGRRKKR 2010     5 5
EGRRRKKR 2010     2 2
DRRRKKR 2010   2    2
KKRRKKR 2013   1    1
Total 13   75 224 31 38 368