Sheep Virus Research


Veterinary medical officer Naomi Taus examines a malignant catarrhal fever (MCF) virus-infected epithelial cell in a sheep lung. 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. USDA Animal Diseases Research Unit, Pullman, WA.


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Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
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