Table 3. Amino acids associated with high infectivity of the novel H7N9 viruses.
PB1 |
NP
|
M1
|
M2 | NS1 | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Subtype | Host | Origin | Period | Strain No. | 113 | 77 | 105 | 377 | 15 | 101 | 166 | 28 | 207 | ||||
H7N9 | Avian | China | 2013 | 6 | I | R | V | N | I | K | A | V | D | ||||
Human | China | 2013 | 5 | I | R | V | N | I | K | A | V | D | |||||
H9N2 | Avian | Worldwide | 2009-2012 | 22 | I | R | V | N | I | K | A | V | D | ||||
H5N1 | Avian | China | 2003-2010 | 19 | I | R | V | N | I | K | A | V | D | ||||
H7N9 | Avian | Worldwide | 2000-2011 | 9 | V | K | M/I | S | V | R | V | I | N |