Table 3 Serosurveillance of HPAI H5N1of Asian Openbills in Thailand during 2007–2010
Month | Percentage of HPAI H5N1 antibody-positive samples | |||
|---|---|---|---|---|
2007 | 2008 | 2009 | 2010 | |
Jan | – | – | – | 0/66 (0%) |
Feb | 0/48 (0%) | 0/57 (0%) | – | – |
Mar | 0/59 (0%) | – | – | – |
Apr | – | – | 0/64 (0%) | – |
May | – | – | – | – |
Jun | – | – | – | – |
Jul | – | – | – | – |
Aug | – | – | – | – |
Sep | 0/3 | – | – | – |
Oct | – | – | – | – |
Nov | 0/1 | – | – | – |
Dec | 4/70 (5.7%) | 2/63 (3.2%) | – | – |
Total antibody-positive samples per year | 4/181(2.2%) | 2/120 (1.7%) | 0/64 (0%) | 0/66 (0%) |