Orf (disease)

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Orf (disease)

Orf (pronounced: /ɔːrf/), also known as ecthyma contagiosum, is a contagious skin disease that primarily affects sheep and goats, but can also be transmitted to humans. The disease is caused by the Orf virus (Parapoxvirus), a member of the Poxviridae family.

Etymology

The term "Orf" is derived from the Old English word "orf," meaning "cattle disease." The term "ecthyma contagiosum" is derived from the Greek words "ekthyma," meaning "pustule," and "contagiosum," meaning "contagious."

Symptoms

In humans, Orf typically presents as a single, painful, red-to-blue nodule on the hands or fingers. The nodule may develop into a large, weeping sore before it eventually dries up and heals. In sheep and goats, Orf causes pustular lesions around the mouth and nose, which can lead to severe disease in young animals.

Transmission

Orf is transmitted through direct contact with infected animals or with contaminated objects. The virus can enter the body through cuts or abrasions in the skin. Humans can contract the disease by handling infected animals or animal products.

Treatment

There is no specific treatment for Orf. The disease usually resolves on its own within 6 to 8 weeks. In severe cases, antiviral medication may be prescribed. It is important to keep the affected area clean to prevent secondary bacterial infection.

Prevention

Prevention of Orf involves good hygiene practices and the use of protective clothing when handling animals or animal products. Vaccination of sheep and goats is also an effective preventive measure.

See also

External links

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