Infectious bursal disease virus

Bursal Agent, Infectious; Bursal Disease Virus, Infectious; Avian Nephrosis Viruses; Bursal Agents, Infectious; Infectious Bursal Agents; Nephrosis Virus, Avian; Nephrosis Viruses, Avian
A species of AVIBIRNAVIRUS causing severe inflammation of the bursa of Fabricius in chickens and other fowl. Transmission is thought to be through contaminated feed or water. Vaccines have been used with varying degrees of success.