Article
Very virulent infectious bursal disease virus: reduced pathogenicity in a rare natural segment-B-reassorted isolate
16 Dec 2005
Abstract excerpt
The purpose of this study was to compare the molecular epidemiology of infectious bursal disease virus (IBDV) segments A and B of 50 natural or vaccine IBDV strains that were isolated or produced between 1972 and 2002 in 17 countries from four continents, with phenotypes ranging from attenuated to very virulent (vv). These strains were subjected to sequence and phylogenetic analysis based on partial sequences of...
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