Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 7, Number 4—August 2001
THEME ISSUE
West Nile Virus
West Nile Virus

Fatal Encephalitis and Myocarditis in Young Domestic Geese (Anser anser domesticus) Caused by West Nile Virus

David E. Swayne*Comments to Author , Joan R. Beck*, Calandra S. Smith†, Wun-Ju Shieh†, and Sharif R. Zaki†
Author affiliations: *U.S. Department of Agriculture, Agricultural Research Service, Southeast Poultry Research Laboratory, Athens, Georgia, USA; †Centers for Disease Control and Prevention, Atlanta, Georgia, USA

Main Article

Figure

Two-week-old goslings that were subcutaneously inoculated with 9/99 New York strain of WN virus. (A) Abnormal posture of the head 10 days postinoculation (PI) (#80). The gosling had rhythmic side-to-side movement of the head. Bar = 2.5 cm. (B) Severe nonsuppurative encephalitis at 10 days PI (#80). HE stain. Bar = 50 µm. (C) Severe diffuse myocarditis with edema and myocyte necrosis at 6 days PI (#86). HE stain. Bar = 50 µm. (D) Flaviviral antigens in degenerating myocytes and macrophages within

Figure. . Two-week-old goslings that were subcutaneously inoculated with 9/99 New York strain of WN virus. (A) Abnormal posture of the head 10 days postinoculation (PI) (#80). The gosling had rhythmic side-to-side movement of the head. Bar = 2.5 cm. (B) Severe nonsuppurative encephalitis at 10 days PI (#80). HE stain. Bar = 50 µm. (C) Severe diffuse myocarditis with edema and myocyte necrosis at 6 days PI (#86). HE stain. Bar = 50 µm. (D) Flaviviral antigens in degenerating myocytes and macrophages within a focus of inflamed myocardium. Immunohistochemical (IHC) strain. Bar = 25 µm. (E) Flaviviral antigens in degenerating parenchymal epithelial cells and foamy macrophages within a focus of pancreatitis. IHC. Bar = 25 µm. (F) Flaviviral antigens in ganglion cells within muscularis mucosae. IHC. Bar = 25 µm.

Main Article

Page created: April 27, 2012
Page updated: April 27, 2012
Page reviewed: April 27, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position 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.
file_external