Table 1.

Isolation of H6 influenza viruses from terrestrial poultry in Eastern China during 2002 to 2010

Yr of isolation	No. (%) of H6-positive isolates	Total sample no.	No. of viruses sequenced
2002	15 (1.94)	773	5
2003	13 (1.40)	930	5
2004	43 (3.41)	1,261	2
2005	7 (0.63)	1,116	1
2006	39 (3.36)	1,160	0
2007	67 (3.89)	1,723	8
2008	89 (4.38)	2,031	5
2009	71 (3.29)	2,157	10
2010	31 (1.59)	1,952	6
Total	375(2.86)	13,103	42