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 ...

UK: Bird flu (avian influenza): latest situation in England    
submitted by kickingbird at 11 hours ago from GOV.UK
3 March 2026Highly pathogenic avian influenza (HPAI) H5N1 was confirmed at a premises near Pickering, Thirsk and Malton, Yorkshire on 3 March 2026. A 3km protection zone and 10km surveillance zone were ...

US: Highly Pathogenic Avian Influenza Confirmed in Dane County in Wisconsin    
submitted by kickingbird at 1 days ago from DATCP
The Wisconsin Department of Agriculture, Trade and Consumer Protection (DATCP) has identified a case of highly pathogenic avian influenza (HPAI) in a backyard poultry flock in Dane County. DATCP and ...

GISAID: H5N1 Bird Flu continues to circulate in the United States    
submitted by kickingbird at 3 days 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 ...

Spain: One confirmed human case of swine influenza A(H1N1)v reported in Catalonia    
submitted by kickingbird at 4 days ago from Communicable disease threats report, 21-27 Feb
In February, authorities in Spain reported a confirmed human case of swine influenza A(H1N1)v. The case, reported from the autonomous region of Catalonia, was confirmed positive for swine influenza by ...

Jiao, P., Jia, X., Bai, X. et al. A single mutation in nonstructural protein 1 is critical for the adaptive evolution of influenza B virus. Nat Commun (2026).  Abstract  
submitted by kickingbird at 11 hours ago from Nat Commun (2026)
Influenza B virus (IBV) has circulated in the human population for a long time, yet the evolutionary mechanisms responsible for host adaptation remain poorly understood. Here we show that recent IBV strains ...

Le Sage V, Vu MN, Maltepes MA, Wang S, Snow BA, Me. Fatal human H3N8 influenza virus has a moderate pandemic risk. PLoS Pathog. 2026 Mar 3;22(3):e1013586.  Abstract  
submitted by kickingbird at 11 hours ago from PLoS Pathog. 2026 Mar 3;22(3):e1013586
In China, low pathogenic avian influenza (LPAI) H3N8 virus is widespread among chickens and has recently caused three zoonotic infections, with the last one in 2023 being fatal. Here we evaluated the relative ...

López-Morales A, Benito D, Gerrikagoitia X, Alvare. No evidence of influenza A virus infection in marine mammals stranded in Basque Country coast (Northern Spain) in the context of H5N1 clade 2.3.4.4b expansion. Can J Microbiol. 2026 Mar 3.  Abstract  
submitted by kickingbird at 11 hours ago from Can J Microbiol. 2026 Mar 3
Influenza A infection is frequently detected in marine mammals causing mortality events of different magnitude. In recent years, the highly pathogenic avian influenza (HPAI) H5N1 virus (clade 2.3.4.4b) ...

Liu J, Li SH, Ye N, Griffiths T, Drapeau EM, Atkin. Antibodies Elicited by the 2025-2026 Influenza Vaccine. NEJM Evid. 2026 Mar 3:EVIDpha2600007.  Abstract  
submitted by kickingbird at 11 hours ago from NEJM Evid. 2026 Mar 3:EVIDpha2600007
AbstractA new H3N2 variant (named subclade K) possesses several key hemagglutinin substitutions and is circulating widely during the 2025-2026 influenza season. We sought to determine whether the 2025-2026 ...

Li Y, Yu Q, Jiang Q, Zhang Y, Yu J, Wang W, Yang Y. Global evolutionary landscape of H11 avian influenza and initial isolates identified in Xinjiang, China. Emerg Microbes Infect. 2026 Mar 2:2640288.  Abstract  
submitted by kickingbird at 1 days ago from Emerg Microbes Infect. 2026 Mar 2:2640288
H11 avian influenza viruses (AIVs) circulate globally among wild bird populations, yet their evolutionary pathways and risks for zoonotic transmission remain insufficiently characterized. In the current ...