Epidemiology of orf.
D000003:Abattoirs; D000382:Agricultural Workers' Diseases / Q000453:epidemiology*; D000818:Animals; D004474:Ecthyma, Contagious / Q000453:epidemiology*; D005615:Freezing; D006801:Humans; D009520:New Zealand; D009784:Occupational Diseases / Q000453:epidemiology*; D012756:Sheep; D015047:Zoonoses / Q000453:epidemiology