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Orf is a viral skin infection that affects people who touch infected sheep or goats. It causes a blister that usually heals in 6 weeks, but may have complications for some people.
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- What Is Orf?
- ORF in Sheep and Goats
- What Are The Complications of Orf?
- How Is ORF Diagnosed?
- Treatment of ORF in Humans
- Prevention of ORF
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Orf is a zoonotic viral skin infection that is contracted from sheep and goats. It is caused by the parapox virus, a large DNA virus that replicates in cellular cytoplasm.
Orf mainly infects young lambs and goats who contract the infection from one another or possibly from persistence of the virus in the pastures or sheds. The disease is called contagious pustular dermatitisor scabby mouth in the animal because it forms crusts and scabs around nose, mouth, teats and elsewhere. As it reduces suckling, the animal can l...
Secondary bacterialinfection can occur. Patients who are immune deficient or immune suppressed may develop larger or unusual orf lesions. Rarely widespreadsmall blisters may occur, suggesting blood stream spread of the orf virus, but resolve after a few weeks. Erythema multiforme, a secondary rash to the presence of the orf virus, may develop 10–14...
Orf is generally diagnosed clinically, in a person that has been handling sheep or goats. The infection can be confirmed on a viral swab, skin biopsy or vesicular fluid by polymerase chain reaction (PCR). It can also be identified by electron microscopy. A similar condition, caused by a related virus, occurs in dairy farmers and is called milkers' ...
No specific treatment is necessary in most cases, as orf usually clears up by itself in about 6 weeks. The lesion should be covered to prevent contaminating the environment or other people, although person-to-person spread is very uncommon. Large lesions can be removed by shave excision. Secondary bacterial infection should be treated with antibiot...
Sheep and goat farmers should be aware of the possibility of orf and wear non-porous rubber gloves when handling the animals, particularly lambs and kids. Wash hands thoroughly or use an antiseptic gelto reduce the chance of infection. Although people can develop multiple orf infections, some immunity to the virus is acquired after the first infect...
Orf is a painful blister that develops on the skin after contact with infected animals or their products. Learn about the causes, symptoms, complications, diagnosis and treatment of orf, and how to prevent it.
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Orf is a skin disease caused by a parapox virus that affects sheep and goats. It can also infect humans through contact with infected animals. Learn about the symptoms, diagnosis and management of Orf.
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Nov 18, 2021 · Orf is a skin disease caused by a virus that affects sheep, goats and humans. It causes painful blisters on the fingers, hands or forearms that heal in six weeks. Learn about its history, symptoms, images and management.
