Orf (disease)
（重定向自Contagious ecthyma virus）
![](/Images/godic/202501/06/Orf_virus_infection_on_thumb2256.jpg")
![](/Images/godic/202501/06/Orf_virus_22256.jpg")
![A sheep with orf infection on nose and lips](/Images/godic/202501/06/Sheep_with_orf2256.jpg")
Orf is an exanthemous disease caused by a parapox virus and occurring primarily in sheep and goats. It is also known as contagious pustular dermatitis, infectious labial dermatitis, ecthyma contagiosum, thistle disease and scabby mouth. Orf virus is zoonotic - it can also infect humans.