Emerging Infectious Disease ISSN: 1080-6059

Detecting Avian Influenza Virus (H5N1) in Domestic Duck Feathers

Yu Yamamoto

, Kikuyasu Nakamura, Masatoshi Okamatsu, Ayako Miyazaki, Manabu Yamada, and Masaji Mase

Author affiliations: National Institute of Animal Health, Tsukuba, Japan;

Appendix Figure

A) Developing contour feather. The calamus was used for examination (bar = 1 cm). B) Result of the rapid test with feathers. A pink line (arrowhead) indicates a positive result for influenza A virus. C) Immunohistochemical stain of a biopsied feather composed of feather epidermis (fe) and feather pulp (fp). Influenza virus nucleoprotein was detected in the fe epidermal cells (arrowheads) (bar = 200 m).

Appendix Figure. A) Developing contour feather. The calamus was used for examination (bar = 1 cm). B) Result of the rapid test with feathers. A pink line (arrowhead) indicates a positive result for influenza A virus. C) Immunohistochemical stain of a biopsied feather composed of feather epidermis (fe) and feather pulp (fp). Influenza virus nucleoprotein was detected in the fe epidermal cells (arrowheads) (bar = 200 m).

Main Article

Top of Page

The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.