Table 4. Prevalence of H5N1 virus in wild birds of Anseriformes, Lariformes, Pelecaniformes in Qinghai Province.
Order | Common name | Species | Rate only for Qinghai (%) | Rate for other 13 provinces (%) |
Anseriformes | Ducks | 6 species | ||
Pintail (Anas acuta) | 9.84 (18/183) | 0.66(2/304) | ||
Common Teal (Anas crecca) | 3.11 (5/161) | -a | ||
Ruddy Shelduck (Tadorna ferruginea) | 2.17 (3/138) | 1.05(2/191) | ||
Mallard (Anas platyrhynchos) | 11.19 (15/134) | 1.54(5/324) | ||
Tufted Duck (Aythya fuligula) | 7.09 (9/127) | 0.00(0/397) | ||
Red-crested Pochard (Rhodonessa rufina) | 2.94 (2/68) | -a | ||
Geese | 1 species | |||
Bar-head Goose (Anser indicus) | 2.27 (12/528) | 0.68(1/147) | ||
Swans | 1 species | |||
Whooper Swan (Cygnus cygnus) | 4.00 (6/150) | 2.74(2/73) | ||
Lariformes | Gulls | 2 species | ||
Brown-headed Gull (Larus brunnicephalus) | 3.60 (14/389) | 0.71(2/281) | ||
Pallas's Gull (Larus ichthyaetus) | 2.34 (5/214) | 0.34(1/293) | ||
Pelecaniformes | Cormorants | 1 species | ||
Great Cormorant (Phalacrocorax carbo) | 3.92 (6/153) | 0.00(0/194) |
No samples were collected in other 13 provinces.