Orf, also known as contagious ecthyma or contagious pustular dermatitis, is a viral skin infection caused by a parapoxvirus (1). It typically manifests as a nodule of the hands that heals spontaneously within 3–6 weeks, but other sites such as the head and scalp, are occasionally involved. Orf is common among persons with regular contact with sheep and goats, including farmers, butchers and vet...
