摘要: The purpose of this article is mainly twofold: to call attention the infectious bursal disease virus (IBDV) as a member new and relatively unknown group viruses point out particular feature IBDV replication, namely infection lymphoid cells bursa Fabricius (BF) main target organ “viral bursectomy” consequence. Therefore, our present knowledge structural characteristics which has accumulated during past few years will be summarized in comparison with other members viruses, replication at cellular level organism outlined.