[On an outbreak of vaccinia].
D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000453:epidemiology; D003612:Dairying; D004196:Disease Outbreaks; D006801:Humans; D014615:Vaccinia / Q000453:epidemiology* / Q000662:veterinary
O vspyshke korov'eĭ ospy.