TABLE 5.
Postpandemic amino acid mutations contained within each virus used in the HI assay
| Virus | Meta-CATS mutationa |
||||||||
|---|---|---|---|---|---|---|---|---|---|
| 114 | 180 | 202 | 220 | 273 | 300 | 391 | 468 | 516 | |
| 2009 outbreak isolates | |||||||||
| A/California/07/2009 | D | K | S | S | A | K | E | S | E |
| A/New York/1682/2009 | . | . | . | . | . | . | . | . | . |
| Intermediate isolates | |||||||||
| A/Wisconsin/02/2011 | . | . | . | T | . | . | . | . | K |
| A/St. Petersburg/100/2011 | . | . | T | T | . | . | K | N | . |
| A/California/52/2011 | . | . | T | T | . | . | K | N | . |
| Recent isolates | |||||||||
| A/California/3546/2014 (16 January 2014) | N | Q | T | T | T | E | K | N | K |
| A/California/3543/2014 (6 January 2014) | N | Q | T | T | T | E | K | N | K |
| A/New York/3626/2014 (2 January 2014) | N | Q | T | T | T | E | K | N | K |
| A/New York/3627/2014 (12 January 2014) | N | Q | T | T | T | E | K | N | K |
| A/Texas/3668/2014 (3 January 2014) | N | Q | T | T | T | E | K | N | K |
| A/Texas/3665/2014 (3 January 2014) | N | Q | T | T | T | E | K | N | K |
a
A period (.) indicates the same amino acid as in the A/California/07/2009 sequence.