From: Surveillance of avian influenza virus type A in semi-scavenging ducks in Bangladesh
Division | Wintering site | Time scale of sample collection | Total no. of samples | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 2009 | Jan. 2010 | Feb. 2010 | Dec. 2010 | Jan. 2011 | Feb. 2011 | Dec. 2011 | Jan. 2012 | Feb. 2012 | Swab | Sera | |||||||||||
 |  | *Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | Swab | Sera | ||
Sylhet | Hakaloki Haor | 150 | 150 | 150 | 150 | 150 | 150 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 100 | 1050 | 1050 |
 | Tanguar Haor | 75 | 75 | 75 | 75 | 75 | 75 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 525 | 525 |
Dhaka | Jahangirnagar Lake | 75 | 75 | 75 | 75 | 75 | 75 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 525 | 525 |
Total no. of samples | 300 | 300 | 300 | 300 | 300 | 300 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 200 | 2100 | 2100 |