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Abstract

Avian influenza viruses (AIV) are classified into 16 hemagglutinin (HA; H1-H16) and 9 neuraminidase (NA; N1-N9) subtypes. All AIV are low pathogenic (LP) in birds, but subtypes H5 and H7 AIV can evolve into highly pathogenic (HP) forms. In the last two decades evolution of HPAIV H7 from LPAIV has...

Author(s)
Scheibner, D.; Ulrich, R.; Fatola, O. I.; Graaf, A.; Gischke, M.; Salaheldin, A. H.; Harder, T. C.; Veits, J.; Mettenleiter, T. C.; Abdelwhab, E. M.
Publisher
Nature Publishing Group, London, UK
Citation
Scientific Reports, 2019, 9, 1, pp 11556
Abstract

H9N2 avian influenza has been prevalent in chicken flocks of China for years. In the first half year of 2018, clinical cases of suspected H9N2 infection were collected from chicken flocks in Shandong province. Nine strains of H9N2 influenza virus were isolated. The pathological changes of the dead...

Author(s)
Li Yue; Liu MengDa; Sun QinQin; Zhang HuiXia; Zhang Hui; Jiang ShengNan; Liu SiDang; Huang YanYan
Publisher
Oxford University Press, Oxford, UK
Citation
Poultry Science, 2019, 98, 9, pp 3488-3495
Abstract

Avian influenza A H5N6 virus is a highly contagious infectious agent that affects domestic poultry and humans in South Asian countries. Vietnam may be an evolutionary hotspot for influenza viruses and therefore could serve as a source of pandemic strains. In 2015, two novel reassortant H5N6...

Author(s)
Hien Dang Thanh; Van Trung Tran; Duc Tan Nguyen; Vu-Khac Hung; Kim WonYong
Publisher
Elsevier Ltd, Oxford, UK
Citation
Comparative Immunology, Microbiology & Infectious Diseases, 2018, 56, pp 45-57
Abstract

SUMMARY. Surveillance of H9N2 is currently focused on areas central to the commercial poultry industry. This study determined the prevalence of H9N2 virus in commercial and backyard poultry flocks in Punjab Province, Pakistan. Oral and tracheal swabs were collected from commercial and backyard...

Author(s)
Muzaffar Ali; Tahir Yaqub; Nadia Mukhtar; Muhammad Imran; Aamir Ghafoor; Shahid, M. F.; Saima Yaqub; Smith, G. J. D.; Su, Y. C. F.; Muhammad Naeem
Publisher
American Association of Avian Pathologists, Athens, USA
Citation
Avian Diseases, 2018, 62, 4, pp 416-424
Abstract

H9N2 avian influenza virus (AIV) has caused significant losses in chicken flocks throughout china in recent years. There is a limited understanding of the genetic and antigenic characteristics of the H9N2 virus isolated in chickens in southwestern China. In this study a total of 12 field strains...

Author(s)
Xia Jing; Cui JiaQi; He Xiao; Liu YueYue; Yao KeChang; Cao SanJie; Han XinFeng; Huang Yong
Publisher
Public Library of Sciences (PLoS), San Francisco, USA
Citation
PLoS ONE, 2017, 12, 2, pp e0171564
Abstract

Surveillance of influenza virus in humans and livestock is critical, given the worldwide public health threats and livestock production losses. Livestock farming involving close proximity between humans, pigs and poultry is often practised by smallholders in low-income countries and is considered...

Author(s)
Osbjer, K.; Berg, M.; Sokerya, S.; Chheng, K.; San, S.; Davun, H.; Magnusson, U.; Olsen, B.; Zohari, S.
Publisher
Wiley, Berlin, Germany
Citation
Transboundary and Emerging Diseases, 2017, 64, 5, pp 1557-1568
Abstract

Thirty-two muskrats (Ondatra zibethicus) were captured for surveillance of avian influenza virus in wild waterfowl and mammals near Lake Chany, Western Siberia, Russia. A/muskrat/Russia/63/2014 (H2N2) was isolated from an apparently healthy muskrat using chicken embryos. Based on phylogenetic...

Author(s)
Gulyaeva, M.; Sharshov, K.; Suzuki, M.; Sobolev, I.; Sakoda, Y.; Alekseev, A.; Sivay, M.; Shestopalova, L.; Shchelkanov, M.; Shestopalov, A.
Publisher
Japanese Society of Veterinary Science, Tokyo, Japan
Citation
Journal of Veterinary Medical Science, 2017, 79, 8, pp 1461-1465
Abstract

N-glycosylation can affect the host specificity, virulence and infectivity of influenza A viruses (IAVs). In this study, the distribution and evolution of N-glycosylation sites in the hemagglutinin (HA) and neuraminidase (NA) of H9N2 virus were explored using phylogenetic analysis. Then, one strain ...

Author(s)
Chen WenTian; Zhong YaoGang; Su Rui; Qi HuiCai; Deng WeiNa; Sun Yu; Ma TianRan; Wang XiLong; Yu HanJie; Wang XiuRong; Li Zheng
Publisher
Elsevier B.V., Amsterdam, Netherlands
Citation
Journal of Virological Methods, 2017, 249, pp 10-20
Abstract

Highly pathogenic avian influenza (HPAI) viruses of the H5N1 subtype have been diversified into multiple phylogenetic clades over the past decade and are highly genetically variable. In June 2015, one outbreak of HPAI H5N1 in backyard chickens was reported in the Nogardan village of the Mazandaran...

Author(s)
Ghafouri, S. A.; Langeroudi, A. G.; Maghsoudloo, H.; Tehrani, F.; Khaltabadifarahani, R.; Abdollahi, H.; Fallah, M. H.
Publisher
Springer, Dordrecht, Netherlands
Citation
Virus Genes, 2017, 53, 1, pp 117-120
Abstract

The H5 subtype virus of Highly Pathogenic Avian Influenza Virus has caused huge economic losses to the poultry industry and is a threat to human health. Until 2010, H5N1 subtype virus was the major genotype in China. Since 2011, reassortant H5N2, H5N6, and H5N8 viruses were identified in domestic...

Author(s)
Yu YuanDi; Zhang ZaoYue; Li HuaNan; Wang XiuHui; Li Bo; Ren XingXing; Zeng ZhaoYong; Zhang Xu; Liu ShuKai; Hu PingSheng; Qi WenBao; Liao Ming
Publisher
Frontiers Media S.A., Lausanne, Switzerland
Citation
Frontiers in Microbiology, 2017, 8, June, pp 1084

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