infectious bursal disease virus (ibdv) infects young chickens and causes serious lose to the poultry industry, worldwide. previous attempts using purified bacterially expressed ibdv vp2 failed to elicit a protective immune response to the virus. this study was designed to investigate if the initial expressed protein contained neutralizing epitopes but became nonfunctional during purification st...

Infectious bursal disease (also known as IBD, Gumboro Disease, Infectious Bursitis and Infectious Avian Nephrosis) is a highly contagious disease of young chickens caused by infectious bursal disease virus (IBDV), characterized by immunosuppression and mortality generally at 3 to 6 weeks of age. The disease was first discovered in the USA, near the town of Gumboro, Delaware in 1962. It is econo...

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The novel infectious bursal disease virus (IBDV) isolate BGE14/ABT1/MVC/India is a very virulent IBDV that was isolated from broiler flocks in southern parts of India during 2014. Here, we report, for the first time in India, the complete genome sequence of BGE14/ABT1/MVC/India, a reassortment strain with segments A and B derived from a very virulent IBDV strain and an attenuated IBDV, respecti...

In this study, immunohistochemistry was used to clarify the early stages of viral kinetics and cycliccourse of IBDV, IR499, which has been described earlier as a very virulent strain (vvIBDV). Fifteen, 4-week-old SPF chickens were inoculated with 10³ EID50 of vvIBDV, IR499, via oculo/nasal route. Five birdsserved as controls, and inoculated with phosphate buffered saline (PBS). The birds were t...