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Numbers of strains sensitive or resistant to amantadine, grouped by lineage and season
| Strain lineage | No. of strainsa
|
|||
|---|---|---|---|---|
| 2005-to-2006 season
|
2006-to-2007 season
|
|||
| Sensitive | Resistant | Sensitive | Resistant | |
| S lineage | 8 | 0 | 0 | 0 |
| N lineage | 0 | 26 | 7 | 25 |
Strains were defined as sensitive or resistant to amantadine by genetic analysis.
