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 ...

China: A human case of avian influenza A(H9N2) reported in Yunnan Province    
submitted by kickingbird at 1 days ago from WHO
From 29 May to 4 June 2026, one new case of human infection with avian influenza A(H9N2) virus was reported to WHO in the Western Pacific Region. The case is a male child from Yunnan Province, China, with ...

US: Highly Pathogenic Avian Influenza Detected in Texas Dairy Herd    
submitted by kickingbird at 5 days ago from The Texas Animal Health Commission
The Texas Animal Health Commission (TAHC) and United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) received confirmation of the presence of highly pathogenic ...

US: Dairy HPAI Detected in Cache County in Utah    
submitted by kickingbird at 5 days ago from Utah Department of Agriculture and Food
On June 1, 2026, officials with the Utah Department of Agriculture and Food (UDAF) were notified of a sample from a dairy in Cache County that tested positive for highly pathogenic avian influenza (HPAI). ...

China: A human case of avian influenza A(H9N2) reported in Guangxi Zhuang Autonomous Region    
submitted by kickingbird at 7 days ago from WHO
From 22 to 28 May 2026, one new case of human infection with avian influenza A(H9N2) virus was reported to WHO in the Western Pacific Region. The case is an elderly female from Guangxi Zhuang Autonomous ...

Liu F, Gross FL, Li Z, House SL, Curley T, Saade E. Birth cohort effects in adults associated with influenza A(H1N1)pdm09 vaccine effectiveness. J Infect Dis. 2026 Jun 8:jiag294.  Abstract  
submitted by kickingbird at 10 hours ago from J Infect Dis. 2026 Jun 8:jiag294
Background: In the 2023-24 influenza season, adults born in the 1957-1985 birth cohort had the lowest vaccine effectiveness (VE) against A(H1N1)pdm09 viruses than other age groups, including those in the ...

Chaiyawong S, Phyu HW, Nasamran C, Boonyapisitsopa. Genetic Characterization of Swine Influenza Viruses in Thailand in 2019-2025 Reveals Novel Reassortants. Transbound Emerg Dis. 2026 Jun 2;2026:9516354.  Abstract  
submitted by kickingbird at 10 hours ago from Transbound Emerg Dis. 2026 Jun 2;2026:9516354
Swine influenza viruses (swIAVs) pose a significant zoonotic threat. Ongoing surveillance of swIAVs in Thailand is essential due to intensive pig farming, which promotes interspecies transmission and the ...

Knief, U., Ahrens, A. K., Allendorf, V., Behringer. Outbreak dynamics of high pathogenicity avian influenza virus H5N1, clade 2.3.4.4b euBB, in black-headed gulls and common terns in Germany in 2023. Avian Pathology, 1–21.  Abstract  
submitted by kickingbird at 11 hours ago from Avian Pathology, 1–21
Since the winter of 2022/23, the high pathogenicity avian influenza virus (HPAIV) H5N1 clade 2.3.4.4b, genotype euBB, has caused extensive mortality among wild birds. This genotype emerged in France in ...

Hanting Chen, etc.,al. [preprint]The canine respiratory epithelium is a permissive ecosystem for influenza interspecies transmission and emergence. https://doi.org/10.64898/2026.06.04.730051.  Abstract  
submitted by kickingbird at 11 hours ago from https://doi.org/10.64898/2026.06.04.730051
The outcome of virus spillover ranges from dead-end infections to pandemics and is underpinned by host-pathogen interactions as well as evolutionary and epidemiological processes. The emergence of novel ...

Hoang-Hai Nguyen, etc.,al. [preprint]Explainable and Calibrated AI for Decoding Host-Adaptive Changes in Influenza A Virus. https://doi.org/10.64898/2026.05.23.726879.  Abstract  
submitted by kickingbird at 11 hours ago from https://doi.org/10.64898/2026.05.23.726879
Background: Influenza A virus (IAV) is a major public health burden, causing seasonal epidemics and occasional pandemics. Its transmission from avian species to mammals and subsequent spread requires adaptive ...