Results 51 to 60 of about 1,818 (146)

Surveillance of Migratory Shorebirds and Seabirds in 2024 in Australia Reveals Incursions of a Diversity of Low Pathogenicity Avian Influenza Viruses, but Not High Pathogenicity Avian Influenza H5N1

open access: yesInfluenza and Other Respiratory Viruses, Volume 20, Issue 6, June 2026.
ABSTRACT Background The current panzootic of high pathogenicity avian influenza (HPAI) H5N1 has been catastrophic for wildlife, and following substantial geographic spread, clade 2.3.4.4b is found in every region aside from Oceania. Herein, we report the results of our third year of targeted surveillance of incoming migratory seabirds and shorebirds ...
Michelle Wille   +21 more
wiley   +1 more source

Development and evaluation of an inactivated oil emulsion monovalent H5N8 Avian Influenza Vaccine for poultry [PDF]

open access: yesBenha Veterinary Medical Journal
Avian influenza (AI) is a highly contagious viral disease affecting poultry worldwide. It significantly impacts the poultry industry, causing economic losses. Developing effective vaccines is crucial to enhance immune response and control infections. The
Ramy Elseify   +2 more
doaj   +1 more source

Encephalitis and Death in Wild Mammals at a Rehabilitation Center after Infection with Highly Pathogenic Avian Influenza A(H5N8) Virus, United Kingdom

open access: yesEmerging Infectious Diseases, 2021
We report a disease and mortality event involving swans, seals, and a fox at a wildlife rehabilitation center in the United Kingdom during late 2020.
Tobias Floyd   +15 more
doaj   +1 more source

Sharing Is Caring?—Pathogens and Pathogen‐Specific Antibodies in Arctic Endemic Seal Species and the Newly Sympatric Harbor Seals in Kongsfjorden, Svalbard

open access: yesMarine Mammal Science, Volume 42, Issue 2, April 2026.
ABSTRACT Climate change associated transformations of Arctic marine ecosystems are having detrimental impacts on Arctic endemic marine mammals. However, warming conditions are providing new habitats for temperate marine mammals, some of which are expanding into Arctic regions, posing a threat of novel pathogen introduction and disease transmission.
Luca A. Schick   +11 more
wiley   +1 more source

Characterization of avian influenza A (H4N2) viruses isolated from wild birds in Shanghai during 2019 to 2021

open access: yesPoultry Science, 2023
: The H4 subtype of avian influenza viruses has been widely distributed among wild birds. During the surveillance of the avian influenza virus in Shanghai from 2019 to 2021, a total of 4,451 samples were collected from wild birds, among which 46 H4 ...
Yuting Xu   +9 more
doaj   +1 more source

Evolution of H5N1 Cross‐Species Transmission: Adaptive Mutations Driving Avian‐to‐Human Infection

open access: yesAdvanced Genetics, Volume 7, Issue 1, March 2026.
This review synthesizes current knowledge on the molecular mechanisms underpinning H5N1's host adaptation, focusing on key mutations in viral proteins. Critical mutations are discussed in detail, highlighting their roles in altering receptor specificity, promoting antiviral resistance, and expanding viral tropism. The review underscores the urgent need
Wenxin Man   +7 more
wiley   +1 more source

Avian influenza overview December 2025–February 2026

open access: yesEFSA Journal, Volume 24, Issue 3, March 2026.
Abstract Between 29 November 2025 and 27 February 2026, 2514 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (406) and wild (2108) birds in 32 countries in Europe. Albeit still at high levels after the peak was reached at the beginning of the current reporting period, the weekly number of detections has since ...
European Food Safety Authority (EFSA)   +16 more
wiley   +1 more source

Waterfowl Move Less in Heterogeneous and Human‐Populated Landscapes, With Implications for Spread of Avian Influenza Viruses

open access: yesEcology Letters, Volume 29, Issue 1, January 2026.
We show that non‐migratory waterfowl movement distances are shorter in areas of high land cover heterogeneity and human population density, and that these movement distances are related to the spread of highly pathogenic avian influenza. These results suggest that habitat management could contribute to the spread of these viruses.
Claire S. Teitelbaum   +67 more
wiley   +1 more source

From Clustered to Sporadic: Structural Shifts in the Spatiotemporal Dynamics of HPAI Following the 2017 Policy Reinforcement in South Korea (2003–2025)

open access: yesTransboundary and Emerging Diseases, Volume 2026, Issue 1, 2026.
Highly pathogenic avian influenza (HPAI) is a devastating viral disease causing substantial economic losses in the poultry industry and posing potential zoonotic risks. Located along the East Asian–Australasian Flyway (EAAF), South Korea has experienced recurrent outbreaks of HPAI since 2003.
Sung Dae Park   +3 more
wiley   +1 more source

Potential cross-species transmission of highly pathogenic avian influenza H5 subtype (HPAI H5) viruses to humans calls for the development of H5-specific and universal influenza vaccines

open access: yesCell Discovery, 2023
In recent years, highly pathogenic avian influenza H5 subtype (HPAI H5) viruses have been prevalent around the world in both avian and mammalian species, causing serious economic losses to farmers. HPAI H5 infections of zoonotic origin also pose a threat
Pan Huang   +6 more
doaj   +1 more source

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