Comparative Genetic Features of S1 Gene from Six Massachusetts and Variant Avian 2 Infectious Bronchitis Viruses Isolated in Iran.

ABSTRACT: Infectious bronchitis (IB) disease, avian Infectious Bronchitis disease in one of the major cause of respiratory problems and economic loss in poultry industry, even in developed countries with good biosecurity practice. Since the first isolation of the virus in 1931, a lot of serotypes and genotypes of the virus have been reported around the world. The GI-1 lineage, including Massachusetts (Mass) serotype viruses, is one of the most widely spread types worldwide. Moreover, the GI-23 lineage with a growing incidence rate was reported approximately 20 years ago in the Middle East, with no or little homologues vaccine use. The genotype was previously restricted to the Middle East; now, there is evidence that it has spread to European countries, raising concerns regarding potential outbreaks.

SUBMITTER: Motamed N 

PROVIDER: S-EPMC10133645 | biostudies-literature | 2022 Oct

REPOSITORIES: biostudies-literature