Virus | HI Titer | Amino acid position in HA1 | |||||||
---|---|---|---|---|---|---|---|---|---|
 |  |  |  | 140s Loop | 150s Loop | ||||
 |  | 94 | 124 | 138 | 140 | 141 | 154 | 155 | 156 |
A/Vietnam/1203/04 | +++ | D | S | Q | K | S | N | S | T |
A/Hong Kong/213/03 | +++ | . | . | . | . | . | . | N | A |
A/Dk/Hong Kong/2986.1/00* | +++ | . | N | . | . | . | . | . | A |
A/Mdk/Jiang Xi/1653/05* | ++ | . | N | L | . | P | . | . | A |
A/Mdk/Jiang Xi/2136/05* | - | N | D | . | R | . | . | N | A |
A/Dk/Vietnam/568/05* | - | N | D | . | N | . | . | D | A |
A/Qing Hai/05* | - | N | D | . | R | . | . | N | A |