Infectious bursal disease in the Sudan.
D000818:Animals; D002645:Chickens / Q000235:genetics; D004196:Disease Outbreaks / Q000662:veterinary*; D007243:Infectious bursal disease virus / Q000302:isolation & purification; D011201:Poultry Diseases / Q000453:epidemiology*; D012088:Reoviridae Infections / Q000453:epidemiology / Q000662:veterinary*; D013397:Sudan