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Table 5 Comparison of amino acid mutations observed in NA proteins of Pakistani AIV H5N1 with initially isolated strain during 2006
| Virus name | 74 F | 207 R | 224 L | 247 S | 340 P | 383T | 416 D |
|---|---|---|---|---|---|---|---|
| Ck/Rawalakot/2441/06 | - | - | - | - | - | - | - |
| Ck/Sihala/3303/06 | - | K | - | N | - | - | G |
| Ck/Laore/3320/06 | - | K | - | - | - | - | |
| Gs/Lahore/3321/06 | - | K | M | - | S | - | - |
| Pck/Mansehra/7558/07 | - | K | - | - | - | - | - |
| Gs/Islamabd/7757/07 | - | K | M | - | S | - | - |
| Tk/Islamabad/7871/07 | V | K | - | - | - | - | - |
| Tk/Islamabad/7873/07 | - | K | M | - | S | - | - |
| Crow/Peshawar/7914/07 | - | K | - | - | - | - | - |
| Pck/Chakshahzad/9238/07 | - | K | - | - | - | K | - |
| Ck/Mansehra/10337/07 | - | K | M | - | S | - | - |
| Ck/Karachi/520/08 | V | K | - | - | - | - | - |
| Ck/Lahore/610/08 | V | K | - | - | - | - | - |
| Ck/Karachi/612/08 | V | K | - | - | - | - | - |
| Crow/Karachi/11672/08 | - | K | - | - | - | - | - |
