Detection of variant infectious bronchitis viruses in Sri Lanka (2012-2015)

Detection of variant infectious bronchitis viruses in Sri Lanka (2012-2015) Poultry production is an important sector of agriculture in Sri Lanka; however, there is a lack of information regarding circulation of infectious bronchitis virus (IBV). RNA was extracted from chicken tissues, subjected to IBV S1 RT-PCR, and sequenced. Overall, 19 out of 34 (55.88 %) samples were IBV positive and contained the genotype 793B (n = 13; 68.42 %), D274 (n = 4; 21.05 %) or Massachusetts (n = 2; 10.53 %). All three genotypes contained at least one strain with less than 99 % nucleotide sequence identity to the corresponding vaccine strains. This report identified co-circulation of IBV strains 793B, Massachusetts and D274, in Sri Lanka that are divergent from the respective vaccine strains. Archives of Virology Springer Journals

Detection of variant infectious bronchitis viruses in Sri Lanka (2012-2015)

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Springer Vienna
Copyright © 2016 by Springer-Verlag Wien
Biomedicine; Virology; Medical Microbiology; Infectious Diseases
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