Influenza D Virus Infection in Feral Swine Populations, United States
, Kaijian Luo1
, Alicia K. Olivier, Fred L. Cunningham
, Sherry Blackmon, Katie Hanson-Dorr, Hailiang Sun2
, John Baroch, Mark W. Lutman, Bianca Quade, William Epperson, Richard Webby, Thomas J. DeLiberto, and Xiu-Feng Wan
Author affiliations: Mississippi State University, Starkville, Mississippi, USA (L. Ferguson, K. Luo, A.K. Olivier, S. Blackmon, H. Sun, B. Quade, W. Epperson, X.-F. Wan); South China Agricultural University, Guangzhou, China (K. Luo); US Department of Agriculture, Starkville (F.L. Cunningham, K. Hanson-Dorr); US Department of Agriculture, Fort Collins, Colorado, USA (J. Baroch, M.W. Lutman, T.J. DeLiberto); St. Jude Children’s Research Hospital, Memphis, Tennessee, USA (R. Webby)
Figure 4. Influenza D virus immunohistochemistry in swine lung at 3 days (A and B), 5 days (C and D), and 7 days (E and F) postinoculation. Right column panels are higher magnification of boxed region in panels to the left. At all time points, scattered immunopositive bronchiolar epithelial cells were observed (arrows). Scale bars indicate 20 µm.
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