China´s Scientists Make Breakthrough on How H5N1 Influenza Occurred in the U.S.    
submitted by kickingbird at Jul, 9, 2025 from CASAD
Chinese scientists have found out how the H5N1 virus initially invades the mammary glands of dairy cattle and may have triggered the outbreak of H5N1 avian influenza across over 1,000 dairy farms in the ...

Canada: Milk sampling and testing for highly pathogenic avian influenza (HPAI)    
submitted by kickingbird at 7 hours ago from Canadian Food Inspection Agency (CFIA)
As part of the Government of Canada's One Health approach, the Canadian Food Inspection Agency (CFIA) in collaboration with the Public Health Agency of Canada (PHAC) and Health Canada, is taking proactive ...

Australia: H5 bird flu events    
submitted by kickingbird at 1 days ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 4 September 2026, Australia has 484 positive events of H5 bird flu in wildlife. 10 in Western Australia (WA) 271 in South Australia (SA) 22 in New South Wales (NSW) 2 in Queensland (QLD) ...

Australia: H5 bird flu events    
submitted by kickingbird at 2 days ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 3 September 2026, Australia has 479 positive events of H5 bird flu in wildlife. 10 in Western Australia (WA) 271 in South Australia (SA) 20 in New South Wales (NSW) 2 in Queensland (QLD) ...

Australia: H5 bird flu events    
submitted by kickingbird at 3 days ago from Department of Agriculture, Fisheries and Forestry
As of 4pm AEST, 2 September 2026, Australia has 468 positive events of H5 bird flu in wildlife. 10 in Western Australia (WA) 263 in South Australia (SA) 20 in New South Wales (NSW) 2 in Queensland (QLD) ...

Diane Meyer, etc.,al. Lessons Learned During the 2024~2025 Highly Pathogenic Avian Influenza A(H5N1) Virus Outbreak Response in the United States: The Experience of State and Local Public Health Departments. American Journal of Public Health (ajph).  Abstract  
submitted by kickingbird at 7 hours ago from American Journal of Public Health (ajph)
Objectives. To describe challenges and lessons learned during state and local health department responses to the 2024?2025 highly pathogenic avian influenza A(H5N1) outbreaks.Methods. We conducted semistructured ...

Hayden Farquhar. No receptor-binding domain adaptation detected in within-host H5N1 surveillance of 4,559 US dairy outbreak sequences. Virology.  Abstract  
submitted by kickingbird at 13 hours ago from Virology
BackgroundThe 2024–2026 US H5N1 clade 2.3.4.4b dairy cattle outbreak has been characterised primarily through consensus-level phylogenetics. Whether mammalian-adaptation variants are emerging at sub-consensus ...

Chang L, Ren X, Han L, Xia C, Zhao Y. Global Patterns of Geographic Distribution, Temporal Trends, Host Spectrum, and Molecular Variation of H9N2 Avian Influenza Virus, 1966~2023. Viruses. 2026; 18(9):977.  Abstract  
submitted by kickingbird at 13 hours ago from Viruses. 2026; 18(9):977
The H9N2 avian influenza virus (AIV) is currently widespread globally and poses a serious threat to the poultry industry and public health; however, its global epidemiological characteristics and key molecular ...

Wang, S., Yin, Z., Fang, Q. et al. Avian influenza surveillance among migratory birds, poultry, and occupationally exposed population in Quzhou City, China, 2023~2025. Virol J (2026).  Abstract  
submitted by kickingbird at 14 hours ago from Virol J (2026)
BackgroundQuzhou City, located in western Zhejiang Province, China, is a critical stopover site on the East Asian-Australasian Flyway and has previously reported human cases of avian influenza. However, ...

Ronja Piesche, etc.,al. [preprint]Experimental reproduction numbers disentangle vaccine effects on susceptibility and infectiousness during H5N1 transmission in geese. https://doi.org/10.64898/2026.09.02.748824.  Abstract  
submitted by kickingbird at 14 hours ago from https://doi.org/10.64898/2026.09.02.748824
Vaccination against high pathogenicity avian influenza virus (HPAIV) is increasingly used to protect poultry, but vaccine performance is commonly inferred from clinical protection and virus shedding rather ...