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 ...

US: Highly Pathogenic Avian Influenza Confirmed in Walworth County and Jefferson County in Wisconsin    
submitted by kickingbird at 3 days ago from DATCP
The Wisconsin Department of Agriculture, Trade and Consumer Protection today announced a detection of HPAI in a commercial poultry flock in Walworth and Jefferson counties. DATCP and the U.S. Department ...

UK: Bird flu (avian influenza): latest situation in England    
submitted by kickingbird at 5 days 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 6 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 8 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 ...

WPRO. Avian Influenza Weekly Update # 1036: 06 March 2026. WHO.  Abstract  
submitted by kickingbird at 7 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. ...

Li, Y., Qiao, Y., Zhan, Y. et al. Mapping global avian influenza risk patterns through waterbird activity entropy. Nat Commun (2026).  Abstract  
submitted by kickingbird at 7 hours ago from Nat Commun (2026)
Avian influenza viruses (AIV) pose a major zoonotic threat with pandemic potential. Waterbirds facilitate AIV spillovers into farm animals and humans through exposure and virus reassortment. Here, we propose ...

Barman S, Iyengar R, Miller L, Turner JCM, Franks. Reverse genetic rescue and propagation of human influenza A(H3N2) master virus seed in HEK-293 suspension cells. Virology. 2026 Mar 3;618:110862.  Abstract  
submitted by kickingbird at 7 hours ago from Virology. 2026 Mar 3;618:110862
Human challenge studies are important tools in influenza research, especially during intensified efforts to develop a universal influenza vaccine. However, such studies of influenza viruses are often hampered ...

Lee CW, Glover S, Olivier T, Lee Y, Erickson S, Gu. Evaluation of immune response in calves vaccinated with baculovirus vectored inactivated vaccine expressing 2.3.4.4b H5 protein of highly pathogenic Avian Influenza virus. Vet Microbiol. 2026 Mar 3;316:110970.  Abstract  
submitted by kickingbird at 7 hours ago from Vet Microbiol. 2026 Mar 3;316:110970
Clade 2.3.4.4b H5N1 highly pathogenic avian influenza (HPAI) virus is circulating widely in US dairy cattle with significant implications for milk production and cow health. Due to the critical need for ...

Zhu, G., Hou, H., Wang, W. et al. Genomic surveillance of H1N1, H3N2 and influenza B Victoria lineage viruses in Qingyang (2020-2023): phylogenetic and molecular characteristics analysis of HA/NA genes. BMC Infect Dis (2026).  Abstract  
submitted by kickingbird at 7 hours ago from BMC Infect Dis (2026)
BackgroundHA and NA are important surface proteins of influenza viruses. The purpose of this study was to explore the molecular evolution and amino acid mutations of HA and NA of H1N1, H3N2 and Influenza ...