Volume 21, Number 5—May 2015
Research
Pathologic Changes in Wild Birds Infected with Highly Pathogenic Avian Influenza A(H5N8) Viruses, South Korea, 2014
Table 3
Histopathologic lesions and immunohistochemical results for avian influenza virus antigen in 11 wild birds infected with highly pathogenic avian influenza virus
Organ | Positive result by histopathology/immunohistochemistry* |
|||
---|---|---|---|---|
Baikal teal, 8/8 | Bean goose, 2/2 | Whooper swan, 1/1 | Mallard, 0/0 | |
Trachea | –/– | NT | NT | NT |
Lung | +/+ | +/++ | NT | NT |
Heart | –/± | +/++ | –/– | –/– |
Brain | +/++ | +/++ | +/++ | NT |
Kidney | +/++ | +/++ | ++/++ | NT |
Skeletal muscle | –/– | NT | NT | NT |
Intestine | –/– | –/– | –/– | –/– |
Pancreas | +++/+++ | ++/+++ | ++/++ | –/– |
Liver | ++/++ | NT | ±/+ | NT |
Spleen |
–/– |
–/– |
+/– |
NT |
*Histopathologic results: –, no lesions; +, mild lesions; ++, moderate lesions, +++, severe lesions. Immunochemistry results: –, no antigen; ±, faint antigen; +, mild antigen; ++,moderate antigen; +++ severe antigen; NT, not tested. |