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: H5N5 Avian influenza confirmed in Grays Harbor County resident    
submitted by kickingbird at 3 hours ago from the Washington State Health Department
A Grays Harbor resident who was hospitalized with influenza symptoms in early November has been confirmed to have influenza A H5, a type of avian influenza (bird flu). Additional testing shows the virus ...

UK: Bird flu (avian influenza): latest situation    
submitted by kickingbird at 4 hours ago from GOV.UK
14 November 2025 Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a small backyard flock of captive birds near Pontyberem, Carmarthenshire, Wales (AIV 2025/100) on 14 November 2025.A 3km ...

Canada: Highly pathogenic avian influenza in British Columbia, November 13, 2025    
submitted by kickingbird at 17 hours ago from Canadian Food Inspection Agency
The Canadian Food Inspection Agency (CFIA) has confirmed highly pathogenic avian influenza in the City of Chilliwack, British Columbia, in non-commercial poultry.The CFIA has advised the World Organisation ...

UK: Bird flu (avian influenza): latest situation in England    
submitted by kickingbird at 1 days ago from GOV.UK
13 November 2025 Highly pathogenic avian influenza (HPAI) H5N1 was confirmed in a large commercial flock of poultry near Poringland, South Norfolk, Norfolk (AIV 2025/99) on 13 November 2025.A 3km protection ...

Chu X, Yin X, Tian Y, Jiang W, Zhao Z, Wang J, Cao. Characterizations of a novel triple-reassortant H3N3 avian influenza A virus isolated from chickens in China. Poult Sci. 2025 Nov 2;104(12):106048.  Abstract  
submitted by kickingbird at 4 hours ago from Poult Sci. 2025 Nov 2;104(12):106048
The emergence of novel H3N8 and H10N3 avian influenza A viruses (IAVs) circulating in chicken flocks in China has raised significant concerns to their spillovers in humans and associated economic losses. ...

Bamford CCG, Fenney N, Coleman J, Fox-Clarke C, Di. Highly Pathogenic Avian Influenza Viruses (HPAIV) Associated with Major Southern Elephant Seal Decline at South Georgia. Commun Biol. 2025 Nov 13;8(1):1493.  Abstract  
submitted by kickingbird at 4 hours ago from Commun Biol. 2025 Nov 13;8(1):1493
The emergence of highly pathogenic avian influenza viruses (HPAIV) has caused widespread mortality wildlife globally. In 2023, mass mortalities of southern elephant seals Mirounga leonina were observed ...

Giovanetti M, Cella E, Soliani L, Prosperi A, Mesc. From North to South: transmission dynamics of H1N1pdm09 swine influenza A viruses in Italy. J Gen Virol. 2025 Nov;106(11).  Abstract  
submitted by kickingbird at 21 hours ago from J Gen Virol. 2025 Nov;106(11)
The influenza A H1N1pdm09 virus continues to pose a significant zoonotic threat, with implications for both animal and human health. Italy, which hosts one of the largest swine populations in Europe, is ...

Bi K, Bandekar SR, Bouchnita A, Cramer A, Fox SJ,. Estimated impact of 2022-2023 influenza vaccines on annual hospital burden in the United States. PNAS USA. 2025 Nov 18;122(46):e2505175122.  Abstract  
submitted by kickingbird at 2 days ago from PNAS USA. 2025 Nov 18;122(46):e2505175122
During the COVID-19 pandemic early years, infection prevention measures suppressed transmission of seasonal influenza and other respiratory viruses. The early onset and moderate severity of the US 2022-2023 ...

Z. Beau Reneer, etc.,al. [preprint]Antigenic Mapping of H2 Influenza Viruses recognized by Ferret and Human Sera and Predicting Antigenically Significant Sites. https://doi.org/10.1101/2025.11.12.687988.  Abstract  
submitted by kickingbird at 2 days ago from https://doi.org/10.1101/2025.11.12.687988
Influenza viruses cause hundreds of thousands of infections globally every year. In the past century, seasonal influenza viruses have included H1N1, H2N2 or H3N2 strains. H2N2 influenza viruses circulated ...