Pathogenicity for Chickens of Avian Influenza Virus Strain H9N1 Isolated from Water Coot in India

Evaluation of the Pathogenicity of A/Chicken/Iran/ZMT-173/99 H9N2 Strain of Avian Influenza Virus in Serologically Mycoplasma Galisepticum Positive and Negative Broiler Chickens

A model for emergence of high pathogenicity avian influenza virus from outbreaks with low pathogenicity avian influenza virus

In this article, we establish a mathematical model for emergence of high pathogenicity avian influenza (HPAI) viruses from outbreaks of low pathogenicity avian influenza (LPAI) A viruses (H5N2). The model is based on traditional mathematical epidemiology models and experiment evidences. It contains several submodels which are traditional SEIR models or SIR models. The experiments in [25] provid...

Applying conserved peptides of NS1 Protein of avian influenza virus to differentiate infected from vaccinated chickens

Avian influenza (AI) is a highly contagious disease in poultry and outbreaks can have dramatic economic and health implications. For effective disease surveillance, rapid and sensitive assays are needed to detect antibodies against AI virus (AIV) proteins. In order to support eradication efforts of avian influenza (AI) infections in poultry, the implementation of “DIVA” vaccination strategies, ...

Molecular characterization of non-structural gene of H9N2 subtype of avian influenza viruses isolated from broiler chickens in Iran

BACKGROUND: The H9N2 subtype of avian influenzaviruses (AIVs) have spread in Asia and Middle East countriesand have become a serious threat to poultry industry in Iran.OBJECTIVES:Characterization of genes of H9N2 subtype involvingin pathogenicity and diagnosis are crucial in control of avianinfluenza outbreaks. The Nonstructural (NS) gene and its proteinproducts (NS1 & NS2) are important as dia...

Genetic characterization of a novel recombinant H5N2 avian influenza virus isolated from chickens in Tibet.

In this report, a novel H5N2 avian influenza virus (AIV) was isolated from chickens in Tibet in 2010, western China. Phylogenetic analysis demonstrated that it was a natural reassortant between H9N2 and H5N1 subtypes. It is of note that this virus has an HP genotype with HA, PB2, M, and NS genes homologous to those of A/peregrine falcon/Hong Kong/2142/2008(H5N1)-like HPAIV isolated from dead wi...