Results 21 to 30 of about 2,876 (202)

Temporal Dynamics of Influenza A(H5N1) Subtype before and after the Emergence of H5N8 [PDF]

Viruses, 2021
Highly pathogenic avian influenza (HPAI) viruses continue to circulate worldwide, causing numerous outbreaks among bird species and severe public health concerns. H5N1 and H5N8 are the two most fundamental HPAI subtypes detected in birds in the last two decades.
Fatma Amer, Ruiyun Li, Neveen Rabie, Mohamed H. El-Husseiny, Nahed Yehia, Naglaa M. Hagag, Mohamed Samy, Abdullah Selim, Mohamed K. Hassan, Wafaa M. M. Hassan, Abdel-Sattar Arafa, Åke Lundkvist, Momtaz A. Shahein, Mahmoud M. Naguib   +13 more
openaire   +6 more sources

A Monoclonal Antibody ELISA-Based Assay for Measuring the Potency of Candidate H5 Clade 2.3.4.4b Pandemic Influenza Vaccines. [PDF]

Influenza Other Respir Viruses
ABSTRACT Background The single radial immunodiffusion (SRID) assay is used to determine the potency of inactivated influenza vaccines. Nevertheless, development of alternative influenza vaccine potency assays with greater sensitivity and less reliance on large quantities of reference reagents is needed.
Odin M, Schmeisser F, Soto J, Weir JP.
europepmc   +2 more sources

Different Outcomes of Chicken Infection with UK-Origin H5N1-2020 and H5N8-2020 High-Pathogenicity Avian Influenza Viruses (Clade 2.3.4.4b)

Viruses, 2023
Clade 2.3.4.4 H5Nx highly pathogenic avian influenza viruses (HPAIVs) of the “goose/Guangdong” lineage have caused a series of European epizootics since 2014.
Amanda H. Seekings, Caroline J. Warren, Saumya S. Thomas, Fabian Z. X. Lean, David Selden, Benjamin C. Mollett, Pauline M. van Diemen, Ashley C. Banyard, Marek J. Slomka   +8 more
doaj   +1 more source

First isolation of influenza a subtype H5N8 in ostrich: pathological and genetic characterization

Poultry Science, 2022
The incidence of the avian influenza virus in late 2016, different genotypes of highly pathogenic avian influenza (HPAI) H5N8 clade 2.3.4.4b have been reported among different domestic and wild bird species. The virus became endemic in the poultry population, causing a considerable economic loss for the poultry industry.
Hemat S. Elsayed, Amany Adel, Dalal S. Alshaya, Fatmah A. Safhi, Areej S. jalal, Dalia M.A. Elmasry, Karim Selim, Ahmed A. Erfan, Samah Eid, Samy Selim, Mohamed T. El-Saadony, Momtaz Shahein   +11 more
openaire   +3 more sources

Genetic characterization of highly pathogenic avian influenza A (H5N8) virus isolated from domestic geese in Iraq, 2018

BMC Veterinary Research, 2021
Background Influenza viruses are a continuous threat to avian and mammalian species, causing epidemics and pandemics. After the circulation of H5N1 in 2006, 2015, and 2016 in Iraq, an H5N8 influenza virus emerged in domestic geese in Sulaymaniyah ...
Nahla Muhammad Saeed, Peshnyar Muhammad Atta Rashid, Hiewa Othman Dyary   +2 more
doaj   +1 more source

Epidemiology, Genetic Characterization, and Pathogenesis of Avian Influenza H5N8 Viruses Circulating in Northern and Southern Parts of Egypt, 2017–2019

Animals, 2021
Highly pathogenic avian influenza (HPAI) viruses of subtype H5N8 continue to circulate, causing huge economic losses and serious impact on poultry production worldwide.
Mohamed Tarek, Mahmoud M. Naguib, Abdel-Sattar Arafa, Laila A. Tantawy, Karim M. Selim, Shaimaa Talaat, Hesham A. Sultan   +6 more
doaj   +1 more source

Homo- and Heterosubtypic Immunity to Low Pathogenic Avian Influenza Virus Mitigates the Clinical Outcome of Infection with Highly Pathogenic Avian Influenza H5N8 Clade 2.3.4.4.b in Captive Mallards (Anas platyrhynchos)

Pathogens, 2023
In this study, we investigated the clinical response, viral shedding, transmissibility, pathologic lesions, and tropism of HPAIV Gs/Gd H5N8 subtype (clade 2.3.4.4b), following experimental infection of three groups of captive mallards (Anas platyrhynchos)
Karolina Tarasiuk, Anna Kycko, Edyta Świętoń, Łukasz Bocian, Krzysztof Wyrostek, Krzysztof Śmietanka   +5 more
doaj   +1 more source

Spatiotemporal distribution of highly pathogenic avian influenza subtype H5N8 in Korea [PDF]

, 2020
In zoonotic disease, highly pathogenic avian influenza (HPAI) is a major threat to human and poultry health worldwide. In January 2014, HPAI virus subtype H5N8 first infected poultry farms in South Korea, and a total of 393 outbreaks were reported with enormous economic damage in the poultry industry. We analyzed the spatiotemporal distribution of HPAI
Woo-Hyun Kim, Sun Hak Bae, Seongbeom Cho
openaire   +1 more source

Divergent Reassortment and Transmission Dynamics of Highly Pathogenic Avian Influenza A(H5N8) Virus in Birds of China During 2021

Frontiers in Microbiology, 2022
Highly pathogenic influenza A(H5N8) viruses had caused several outbreaks among wild bird and poultry populations across the globe, and strikingly, caused human infection, posing serious public health concerns.
Hejia Ye, Hejia Ye, Jiahao Zhang, Jiahao Zhang, Jiahao Zhang, Yunfen Sang, Yunfen Sang, Yunfen Sang, Nan Shan, Weihong Qiu, Wenting Zhong, Junbao Li, Zhaoxia Yuan, Zhaoxia Yuan   +13 more
doaj   +1 more source

Sub-Saharan Africa and Eurasia Ancestry of Reassortant Highly Pathogenic Avian Influenza A(H5N8) Virus, Europe, December 2019

Emerging Infectious Diseases, 2020
We report detection of a highly pathogenic avian influenza A(H5N8) clade 2.3.4.4b virus in Europe. This virus was generated by reassortment between H5N8 subtype virus from sub-Saharan Africa and low pathogenicity avian influenza viruses from Eurasia.
Edyta Świętoń, Alice Fusaro, Ismaila Shittu, Krzysztof Niemczuk, Bianca Zecchin, Tony Joannis, Francesco Bonfante, Krzysztof Śmietanka, Calogero Terregino   +8 more
doaj   +1 more source