China´s Scientists Make Breakthrough on How H5N1 Influenza Occurred in the U.S.    
submitted by kickingbird at 9 days ago 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 ...

GISAID: H5N1 Bird Flu continues to take its toll in the United States    
submitted by kickingbird at 11 hours ago from GISAID
Clade 2.3.4.4b of the highly pathogenic avian influenza (HPAI) virus causing outbreaks in wild and domestic birds around the world, continues to spread in dairy cows, poultry and other animals across the ...

WHO: Avian Influenza A(H5N1) - Cambodia    
submitted by kickingbird at 12 days ago from WHO
Between 1 January and 1 July 2025, the World Health Organization (WHO) was notified by Cambodia’s International Health Regulations (IHR) National Focal Point (NFP) of 11 laboratory-confirmed cases of human ...

Cambodia: Human infection with avian influenza A(H5N1) virus    
submitted by kickingbird at Jun, 30, 2025 from WHO
From 20 to 26 June 2025, three new cases of human infection with avian influenza A(H5N1) virus were reported to WHO in the Western Pacific Region, all from Cambodia. Two cases were reported in Takeo Province: ...

UK: Bird flu (avian influenza) - latest situation in England    
submitted by kickingbird at Jun, 25, 2025 from GOV.UK
24 June 2025Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in commercial poultry at a premises in Wales near Glyn Ceiriog, Wrexham (AIV 2025/49).A 3km protection zone and 10km surveillance ...

WPRO. Avian Influenza Weekly Update # 1006: 18 July 2025. WHO.  Abstract  
submitted by kickingbird at 5 hours ago from WHO
Avian influenza subtype A(HxNy) normally spreads in birds but can also infect humans. Human infections are primarily acquired through direct contact with infected poultry or contaminated environments. ...

Ciacci Zanella G, Markin A, Neveau Thomas M, Snyde. Transmission and Pathologic Findings of Divergent Human Seasonal H1N1pdm09 Influenza A Viruses Following Spillover Into Pigs in the United States. Influenza Other Respir Viruses. 2025 Jul;19(7):e70.  Abstract  
submitted by kickingbird at 12 hours ago from Influenza Other Respir Viruses. 2025 Jul;19(7):e70
BackgroundThe H1N1 pandemic (H1N1pdm09) lineage of influenza A viruses (IAV) emerged in North America in 2009. It spread rapidly due to efficient transmission and the limited immunity in humans, replacing ...

Remigio Martínez, Irene Agulló-Ros, Moisés Gonzá. Highly Pathogenic Avian Influenza A (H5N1) Infection in Bearded Vultures in Spain. Zoonoses and Public Health.  Abstract  
submitted by kickingbird at 23 hours ago from Zoonoses and Public Health
We report mortality in bearded vultures (Gypaetus barbatus) associated with highly pathogenic avian influenza HPAI A H5N1 clade 2.3.4.4b, responsible for the current HPAI panzootic. Between April and May ...

Krista Howden, etc.,al. Applying Field and Genomic Epidemiology Methods to Investigate Transmission Networks of Highly Pathogenic Avian Influenza A (H5N1) in Domestic Poultry in British Columbia, Canada (2022–2023). Transboundary and Emerging Diseases 2025.  Abstract  
submitted by kickingbird at 23 hours ago from Transboundary and Emerging Diseases 2025
Highly pathogenic avian influenza (HPAI) virus A (H5N1) was first detected in North America in 2021. Ongoing spillover events from wild to domestic birds and subsequent transmission between domestic birds ...

Wang B, Wang G, Wang Y-h, Liu X, Li M, Kong H, Che. A Strand-Specific Quantitative RT-PCR Method for Detecting vRNA, cRNA, and mRNA of H7N9 Avian Influenza Virus in a Mouse Model. Viruses. 2025; 17(7):1007.  Abstract  
submitted by kickingbird at 23 hours ago from Viruses. 2025; 17(7):1007
Avian influenza virus (AIV) remains a persistent threat to both the poultry industry and human health. Among the AIV subtypes posing public health threats, H7N9 AIV is responsible for five epidemic waves ...