Results 21 to 30 of about 338,759 (255)

Multiple Reassortants of H5N8 Clade 2.3.4.4b Highly Pathogenic Avian Influenza Viruses Detected in South Korea during the Winter of 2020–2021

open access: yesViruses, 2021
During October 2020–January 2021, we isolated a total of 67 highly pathogenic avian influenza (HPAI) H5N8 viruses from wild birds and outbreaks in poultry in South Korea.
Yoon-Gi Baek   +12 more
doaj   +1 more source

Genetic Characterization and Pathogenesis of H5N1 High Pathogenicity Avian Influenza Virus Isolated in South Korea during 2021–2022

open access: yesViruses, 2023
High pathogenicity avian influenza (HPAI) viruses of clade 2.3.4.4 H5Nx have been circulating in poultry and wild birds worldwide since 2014. In South Korea, after the first clade 2.3.4.4b H5N1 HPAI viruses were isolated from wild birds in October 2021 ...
Ra Mi Cha   +11 more
doaj   +1 more source

Avian Influenza: Update [PDF]

open access: yesMedical Principles and Practice, 2010
Avian influenza is an important zoonotic disease that has become endemic in Southeast Asia and in the case of highly pathogenic H5N1 has caused significant human mortality and morbidity. Avian influenza virus (AIV) infections may be asymptomatic or present as mild conjunctivitis in humans; however, H5N1 infections may present as severe pneumonia ...
Sean, Adams, Christian, Sandrock
openaire   +2 more sources

Diversity and distribution of type A influenza viruses: an updated panorama analysis based on protein sequences

open access: yesVirology Journal, 2019
Background Type A influenza viruses (IAVs) cause significant infections in humans and multiple species of animals including pigs, horses, birds, dogs and some marine animals.
Qingye Zhuang   +10 more
doaj   +1 more source

Avian influenza A (H5N1)

open access: yesJournal of Clinical Virology, 2006
Since their reemergence in 2003, highly pathogenic avian influenza A (H5N1) viruses have reached endemic levels among poultry in several southeast Asian countries and have caused a still increasing number of more than 100 reported human infections with high mortality. These developments have ignited global fears of an imminent influenza pandemic.
Jong, d, Hien, T
openaire   +2 more sources

Truncation of the NS1 protein converts a low pathogenic avian influenza virus into a strong interferon inducer in duck cells [PDF]

open access: yes, 2010
The NS1 protein of influenza A viruses is known as a nonessential virulence factor inhibiting type I interferon (IFN) production in mammals and in chicken cells. Whether NS1 inhibits the induction of type I IFNs in duck cells is currently unknown.
Guérin, Jean-Luc   +7 more
core   +1 more source

Bridging the Local Persistence and Long-Range Dispersal of Highly Pathogenic Avian Influenza Virus (HPAIv): A Case Study of HPAIv-Infected Sedentary and Migratory Wildfowls Inhabiting Infected Premises

open access: yesViruses, 2022
The past two decades have seen the emergence of highly pathogenic avian influenza (HPAI) infections that are characterized as extremely contagious, with a high fatality rate in chickens, and humans; this has sparked considerable concerns for global ...
Dae-sung Yoo   +5 more
doaj   +1 more source

The transmissibility of highly pathogenic avian influenza in commercial poultry in industrialised countries. [PDF]

open access: yes, 2007
BACKGROUND: With the increased occurrence of outbreaks of H5N1 worldwide there is concern that the virus could enter commercial poultry farms with severe economic consequences. METHODOLOGY/PRINCIPAL FINDINGS: We analyse data from four recent outbreaks of
Azra C Ghani   +8 more
core   +2 more sources

Genetic Characterization of Novel H7Nx Low Pathogenic Avian Influenza Viruses from Wild Birds in South Korea during the Winter of 2020–2021

open access: yesViruses, 2021
Zoonotic infection with avian influenza viruses (AIVs) of subtype H7, such as H7N9 and H7N4, has raised concerns worldwide. During the winter of 2020–2021, five novel H7 low pathogenic AIVs (LPAIVs) containing different neuraminidase (NA) subtypes ...
Yu-Na Lee   +11 more
doaj   +1 more source

Application of HDR-CRISPR/Cas9 and Erythrocyte Binding for Rapid Generation of Recombinant Turkey Herpesvirus-Vectored Avian Influenza Virus Vaccines

open access: yesVaccines, 2019
Avian influenza viruses (AIVs) are highly contagious and have caused huge economical loss to the poultry industry. AIV vaccines remain one of the most effective methods of controlling this disease.
Pengxiang Chang   +6 more
doaj   +1 more source

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