The distribution of infectious bursal disease in South Africa.
From a country-wide serological survey done during 1978 it is evident that the disease is widely distributed in the areas densely populated with poultry in South Africa. This survey was done before vaccine were in general use in the country.
D000818:Animals; D011200:Poultry; D011201:Poultry Diseases / Q000453:epidemiology*; D012088:Reoviridae Infections / Q000175:diagnosis / Q000453:epidemiology / Q000276:immunology / Q000662:veterinary*; D013019:South Africa