title: An outbreak of infectious bursal disease (IBD) of chickens in Nigeria.
mesh_terms: D000818:Animals; D002645:Chickens; D007243:Infectious bursal disease virus; D009549:Nigeria; D011201:Poultry Diseases / Q000453:epidemiology*; D012087:Reoviridae; D012088:Reoviridae Infections / Q000453:epidemiology / Q000662:veterinary*