Table 2.
Breakdown of avian influenza outbreaks (percentages by row).
| H5N1 | H9N2 | Co-Infection | Total | ||
|---|---|---|---|---|---|
| Source | Systematic Surveillance | 145 | 39 | 57 | 241 |
| World Organization for Animal Health (OIE) | 287 | 0 | 0 | 287 | |
| EMPRES-i | 1997 | 67 | 0 | 2064 | |
| Habitat | Commercial | 133 (65.84) | 28 (13.86) | 41 (20.30) | 202 |
| Backyard | 261 (94.91) | 6 (2.18) | 8 (2.91) | 275 | |
| Live-bird Market | 32 (71.11) | 5 (11.11) | 8 (17.78) | 45 | |
| Other/Unspecified | 2003 (96.76) | 67 (3.34) | 0 | 2070 | |
| Host | Chicken | 822 (84.39) | 100 (10.27) | 52 (5.34) | 974 |
| Duck | 390 (98.73) | 1 (0.25) | 4 (1.01) | 395 | |
| Mixed | 724 (99.86) | 0 | 1 (0.14) | 725 | |
| Other/Unspecified | 493 (99.00) | 5 (1.00) | 0 | 498 | |
| Total | - | 2429 (93.71) | 106 (4.09) | 57 (2.20) | 2592 |