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Coinfection of avian influenza virus (H9N2 subtype) with infectious bronchitis live vaccine [PDF]
Archives of Virology, 2008 Avian influenza virus of H9N2 subtype is pathotyped as a non-highly pathogenic virus. However, frequent incidences of avian influenza of high mortality that are caused by H9N2 viruses have been observed in broiler chicken farms in Iran and some other Asian countries. Coinfections or environmental factors may be involved in such cases.
K Asasi, H Nili, H Dadras
exaly +3 more sources
British Poultry Science, 2023 1. The H9N2 subtype avian influenza virus can infect both chickens and humans. Previous studies have reported a role for erythrocytes in immunity. However, the role of H9N2 against chicken erythrocytes and the presence of complement-related genes in erythrocytes has not been studied.
Wen-Xia Tian
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Human infection with influenza H9N2
Lancet, The, 1999 We report the clinical features of two cases of human infection with influenza A virus subtype H9N2 in Hong Kong, and show that serum samples from blood donors in Hong Hong had neutralising antibody suggestive of prior infection with influenza H9N2 ...
Malik Peiris, Ky Yuen, K H Chan
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H9N2 influenza A virus circulates in H5N1 endemically infected poultry population in Egypt
Influenza and Other Respiratory Viruses, 2013 We describe the identification and characterization of the H9N2 influenza subtype reported in Egyptian broiler and broiler breeder farms for the first time.
Isabella Monne +2 more
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Avian Diseases, 2021
Avian influenza H9N2 viruses circulate in all types of poultry species, including turkeys, and cause significant losses for the poultry industry in many parts of the word. The aim of this study was to assess the pathogenesis of the Moroccan avian influenza virus (AIV) H9N2 under experimental conditions in turkeys and the protection efficacy of an ...
Fellahi, Siham +8 more
openaire +4 more sources
Avian influenza H9N2 viruses circulate in all types of poultry species, including turkeys, and cause significant losses for the poultry industry in many parts of the word. The aim of this study was to assess the pathogenesis of the Moroccan avian influenza virus (AIV) H9N2 under experimental conditions in turkeys and the protection efficacy of an ...
Fellahi, Siham +8 more
openaire +4 more sources
Virus Genes, 2012
The suspected presence of avian influenza virus subtype H9N2 in poultry in Egypt is a major concern since this subtype is widely distributed in different countries in the Middle East, here we describe the full genetic characterization of an avian influenza A virus (Qa/Egypt/11; H9N2) of subtype H9N2 that was previously isolated from a clinically normal
Abdel-Satar Arafa +2 more
exaly +3 more sources
The suspected presence of avian influenza virus subtype H9N2 in poultry in Egypt is a major concern since this subtype is widely distributed in different countries in the Middle East, here we describe the full genetic characterization of an avian influenza A virus (Qa/Egypt/11; H9N2) of subtype H9N2 that was previously isolated from a clinically normal
Abdel-Satar Arafa +2 more
exaly +3 more sources
Molecular epizootiology of recurrent low pathogenic avian influenza by H9N2 subtype virus in Korea
Avian Pathology, 2006The first outbreak of low pathogenic avian influenza (LPAI), H9N2 virus subtype, in 1996 prompted an eradication response, but LPAI returned to Korea in 1999. The relationship between the first and the recurrent viruses is unclear. To determine the molecular epizootiology of recurrent LPAI, we performed phylogenetic analysis with partial nucleotide ...
Hyuk-Joon, Kwon +4 more
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Rapid subtyping of H9N2 influenza virus by a triple reverse transcription polymerase chain reaction
Journal of Virological Methods, 2009The aim of this study was to develop a rapid, cost-saving triple reverse transcription polymerase chain reaction (triple RT-PCR) for subtyping H9N2 avian influenza viruses (AIVs). The three primer pairs for amplification of target sequences of nucleoprotein (NP), hemagglutinin (HA) and neuraminidase (NA) genes, respectively, were designed for subtyping
Hao-Tai, Chen +8 more
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British Poultry Science, 2021
1. Chicken erythrocytes in blood vessels are the most abundant circulating cells, which participate in the host's immune responses. The transcription factor nuclear factor-kappa B (NF-κB) plays a vital role in the inflammatory response following viral infections.
A. Khan +11 more
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1. Chicken erythrocytes in blood vessels are the most abundant circulating cells, which participate in the host's immune responses. The transcription factor nuclear factor-kappa B (NF-κB) plays a vital role in the inflammatory response following viral infections.
A. Khan +11 more
openaire +2 more sources
Monoclonal Antibody Preparation Against Nucleoprotein of Avian Influenza Virus Subtype H9N2
Iranian Red Crescent Medical Journal, 2019Background: In recent years, various poultry diseases have posed risks to this industry. Respiratory and infectious diseases are the most common diseases. According to previous findings, influenza disease is recognized as a significant life-threatening disease in the industry of poultry worldwide.
Maryam Hashemi +4 more
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