Table 2.

Mosaic fragments of the NA gene

Virus	5' end cRNA	Joined to	Joined to	Joined to	Joined to
After 1 passage in MDCK cells
A/OK/1472/06	1 – 63	1 – 81	1290 – 1467
A/OK/309/06	1 – 108	194 – 324	120 – 190	1227 – 1467
After 3 passages in the presence of oseltamivir
A/OK/323/03	1 – 191	1210 – 1287	1301 – 1411	1419 – 1467
A/OK/309/06	1 – 70	1 – 74	130 – 204	1253 – 1290	1310 – 1447