Results 71 to 80 of about 333 (122)

A Rapid Review Contrasting the Evidence on Avian Influenza A(H5Nx) Clades 2.3.4.4b and 2.3.2.1c in Humans

open access: yesZoonoses and Public Health, Volume 72, Issue 7, Page 553-586, November 2025.
ABSTRACT Avian influenza viruses (AIV) circulate in wild and domestic bird populations, posing an on‐going risk for zoonotic transmission and virus adaptation to mammals and humans. The A(H5Nx) clades 2.3.2.1c and 2.3.4.4b currently circulating have caused sporadic infections in humans.
Tricia Corrin   +7 more
wiley   +1 more source

Comparison of the pathogenic potential of highly pathogenic avian influenza (HPAI) H5N6, and H5N8 viruses isolated in South Korea during the 2016–2017 winter season

open access: yesEmerging Microbes and Infections, 2018
Highly pathogenic avian influenza (HPAI) A(H5N6) and A(H5N8) virus infections resulted in the culling of more than 37 million poultry in the Republic of Korea during the 2016/17 winter season.
Hyeok-il Kwon   +22 more
doaj   +1 more source

Complex Reassortment Dynamics of H9N2 Avian Influenza Viruses in Xinjiang, China: Implications for Zoonotic Spillover

open access: yesInfluenza and Other Respiratory Viruses, Volume 19, Issue 10, October 2025.
ABSTRACT Background H9N2 avian influenza viruses (AIVs) donate their genes to other subtype AIVs, posing significant threats to poultry industries and public health due to their endemicity and zoonotic potential. This study investigates the molecular evolution, reassortment, and mutations of the H9N2 isolates from the live poultry markets (LPMs) in ...
Nana Chang   +9 more
wiley   +1 more source

Immune Responses of Chickens Infected with Wild Bird-Origin H5N6 Avian Influenza Virus

open access: yesFrontiers in Microbiology, 2017
Since April 2014, new infections of H5N6 avian influenza virus (AIV) in humans and domestic poultry have caused considerable economic losses in the poultry industry and posed an enormous threat to human health worldwide.
Shimin Gao   +13 more
doaj   +1 more source

First detection of highly pathogenic H5N6 avian influenza virus on the African continent

open access: yesEmerging Microbes and Infections, 2020
Since 2013, highly pathogenic avian influenza (HPAI) subtype H5N6 (clade 2.3.4.4) has been reported in wild birds and poultry in Asia as well as in other parts of the globe. In Africa, information on the presence of this virus subtype is lacking.
Ismaila Shittu   +15 more
doaj   +1 more source

Wildlife health risk analysis for conservation translocation: A scalable approach illustrated for wader population restoration

open access: yesConservation Science and Practice, Volume 7, Issue 9, September 2025.
We present a methodological framework for health risk analysis (disease risk analysis) for conservation translocation that enables the process to be scaled and adapted to the project context. We illustrate its application to two wader (shorebird) population restoration projects with differing translocation plans.
Katie M. Beckmann   +15 more
wiley   +1 more source

Integrating Citizen Science and Remote Sensing Data to Identify Key Environmental Factors Influencing H5N1 Avian Influenza Virus Potential Spillover Risk in the Philippines

open access: yesGeoHealth, Volume 9, Issue 8, August 2025.
Abstract Highly pathogenic avian influenza (HPAI) virus presents a serious threat to poultry and public health worldwide, with transmission dynamics shaped by avian migration patterns and environmental conditions. Recent outbreaks in the Philippines highlight the urgent need for effective control measures.
John Oliver Sayseng, Ting‐Wu Chuang
wiley   +1 more source

Detection of highly pathogenic avian influenza A(H5N6) viruses in waterfowl in Bangladesh

open access: yesVirology, 2019
Bangladesh has reported repeated outbreaks of highly pathogenic avian influenza (HPAI) A(H5) viruses in poultry since 2007. Because of the large number of live poultry markets (LPM) relative to the population density of poultry throughout the country, these markets can serve as sentinel sites for HPAI A(H5) detection.
Genyan, Yang   +15 more
openaire   +2 more sources

Risk posed by the HPAI virus H5N1, Eurasian lineage goose/Guangdong clade 2.3.4.4b. genotype B3.13, currently circulating in the US

open access: yesEFSA Journal, Volume 23, Issue 7, July 2025.
Abstract The emergence of highly pathogenic avian influenza (HPAI) A(H5N1), clade 2.3.4.4b, genotype B3.13 in U.S. dairy cattle marks a significant shift in the virus' host range and epidemiological profile. Infected cattle typically exhibit mild clinical signs, such as reduced milk production, mastitis and fever, with morbidity generally below 20% and
European Food Safety Authority (EFSA)   +9 more
wiley   +1 more source

Avian influenza overview March–June 2025

open access: yesEFSA Journal, Volume 23, Issue 7, July 2025.
Abstract Between 8 March and 6 June 2025, 365 highly pathogenic avian influenza (HPAI) A(H5) virus detections were reported in domestic (167) and wild (198) birds across 24 countries in Europe. HPAI A(H5N1) virus detections were predominant and mainly located in western, central and south‐eastern Europe.
European Food Safety Authority   +16 more
wiley   +1 more source

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