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Molecular clonal analysis of viruses to determine the presence or absence of the Q136K NA mutation
| Virus | Passage history | No. of clones screened | No. of Q136 clones detected | No. of K136 clones detected |
|---|---|---|---|---|
| A/Christchurch/62/2007 | Original specimen | 135 | 135 | 0 |
| A/Macau/229/2008 | Original specimen | 125 | 125 | 0 |
| A/Brisbane/308/2007 | Original specimen | 176 | 176 | 0 |
| A/Christchurch/62/2007 | MDCK4 | 43 | 9 | 34 |
