Table 2. Detection of 3′SLeX in intestine of avian hosts of influenza A(H5Nx) virus clade 2.3.4.4 subtypes*.
| Order | Family | Common name | 3′SLeX staining of intestine | H5Nx virus infection† |
|---|---|---|---|---|
| Galliformes | Phasianidae | Chicken | + | H5N8/H5N6/H5N2 |
| Galliformes | Phasianidae | Turkey | ± | H5N8/H5N6 |
| Galliformes | Phasianidae | Quail | – | H5N8 |
| Galliformes | Phasianidae | Pheasant | + | H5N2 |
| Galliformes | Phasianidae | Partridge | – | ND |
| Galliformes | Numididae | Guinea fowl | + | H5N8 |
| Anseriformes | Anatidae | Mallard duck | – | H5N8/H5N6/H5N2 |
| Anseriformes | Anatidae | Teal | NT | H5N8/H5N6 |
| Anseriformes | Anatidae | Swan | NT | H5N8 |
| Anseriformes | Anatidae | Greylag/Canada goose | – | H5N8/H5N6 |
| Columbiformes | Columbidae | Pigeon | ++ | H5N6 |
| Falconiformes | Falconidae | Gyrfalcon | NT | H5N8 |
| Gruiformes | Gruidae | Crane | NT | H5N8 |
| Strigiformes | Strigidae | Snowy owl | NT | H5N2 |
| Acipitriformes | Accipitridae | Cooper’s hawk/bald eagle | NT | H5N2/H5N8 |
*ND, not detected; NT, not tested; SLe, sialyl Lewis; –, no visible staining; ±, few cells weakly stained; +, intense staining of cells; ++, intense staining of many cells. †Subtypes identified in different bird species on the basis of data from GenBank and GISAID (http://platform.gisaid.org).