Sheep virus research. Veterinary medical officer using a microscope to examine an epithelial cell in a sheep lung infected with the malignant catarrha

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Sheep virus research. Veterinary medical officer using a microscope to examine an epithelial cell in a sheep lung infected with the malignant catarrhal fever (MCF) virus. The red area is the virus, and the green area is the cell. MCF is a leading cause of disease in American bison. It is usually transmitted from sheep to bison and cattle. Photographed at the Animal Diseases Research Unit (ADRU) in Pullman, Washington, USA.

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Size: 4075px × 2717px
Photo credit: © PEGGY GREB/US DEPARTMENT OF AGRICULTURE/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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