Journal of Microbiology and Immunology

Infectious Bursal Disease

Infectious bursal disease (IBD), also referred to as Gumboro disease, infectious bursitis, and infectious avian nephrosis may be a highly contagion of young chickens and turkeys caused by infectious bursal disease virus (IBDV) characterized by immunosuppression and mortality generally at 3 to six weeks aged. The disease was first discovered in Gumboro, Delaware in 1962. it's economically important to the poultry industry worldwide thanks to increased susceptibility to other diseases and negative interference with effective vaccination. In recent years, very virulent strains of IBDV (vvIBDV), causing severe mortality in chicken, have emerged in Europe, Latin America, South-East Asia, Africa, and therefore the Middle East. Infection is via the oro-fecal route, with affected birds excreting high levels of the virus for about 2 weeks after infection. The disease is definitely spread from infected chickens to healthy chickens through food, water, and physical contact.

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