High sequence diversity in infectious bursal disease virus serotype 1 in poultry and turkey suggests West-African origin of very virulent strains

Volume: 149, Issue: 4, Pages: 653 - 672
Published: Apr 1, 2004
Abstract
Fifty-eight outbreaks of Infectious bursal disease virus (IBDV) were observed in vaccinated chicken flocks in four Southwestern states of Nigeria between 1995 and 2000. Bursa samples from 40 flocks were found virus-positive in VP2-specific nested RT-PCR. Sequences of the hypervariable region of VP2 were compared to reference strains of the different IBDV variants including also 1988 isolates from Nigeria. Sequence analysis revealed that all 40...
Paper Details
Title
High sequence diversity in infectious bursal disease virus serotype 1 in poultry and turkey suggests West-African origin of very virulent strains
Published Date
Apr 1, 2004
Volume
149
Issue
4
Pages
653 - 672
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