Image:Orf virus.jpg
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This negative-stained transmission electron micrograph (TEM) image depicted the ultrastructural details of an Orf virus, a member of the genus Parapoxvirus. Note the spiral arrangement of the external tubular ridges on the ovoid-shaped virus particle, or virion.
The Orf virus is a pathogen common to sheep and goats, but can at times be transmitted to humans, in which case the virus is known as being “zoonotic”. When a human being becomes infected, the symptoms are mainly confined to the skin, and consist of “weeping” nodules manifesting upon the dorsum, or back of the hands, and which heal in approximately thirty-five days in a spontaneous fashion.
Photo credit: Cynthia Goldsmith
Source:CDC's Public Health Image Library Image #8434
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This image is a work of the Centers for Disease Control and Prevention, part of the United States Department of Health and Human Services, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain. |
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| Date/Time | Dimensions | User | Comment | |
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| current | 20:54, 23 June 2007 | 700×932 (90 KB) | Joelmills | (This negative-stained transmission electron micrograph (TEM) image depicted the ultrastructural details of an Orf virus, a member of the genus ''Parapoxvirus''. Note the spiral arrangement of the external tubular ridges on the ovoid-shaped virus particle,) |
