WHO/WPRO. Avian Influenza Weekly Update # 1034: 20 February 2026. WHO. Abstract
submitted by kickingbird at Feb, 23, 2026 from WHO (via https://www.who.int/westernpacific/publications/m/item/avian)
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. ... Shosha EAE, Mohamd MK, Shehata MAE, Mohamed MH, El. Genomic and evolutionary characterization of newly emerged highly pathogenic avian influenza H5N1 clade (2023-2025). Veterinary World, 18(12): 3745–3760. Abstract
submitted by kickingbird at Feb, 21, 2026 from Veterinary World, 18(12): 3745–3760 (via https://veterinaryworld.org/Vol.18/December-2025/6.php)
Background and aim: Highly pathogenic avian influenza virus (HPAI) H5N1 continues to threaten poultry biosecurity worldwide due to rapid antigenic drift and reassortment. Since late 2020, clade 2.3.4.4b ... Jańczak D, Golke A, Szymański K, Hallmann E, Pance. Clinical and Laboratory Findings in Cats with Confirmed Avian Influenza A/H5N1 Virus Infection During the 2023 Outbreak in Poland: A Retrospective Case Series of 22 Cats. Pathogens. 2026; 15(2):200. Abstract
submitted by kickingbird at Feb, 15, 2026 from Pathogens. 2026; 15(2):200 (via https://www.mdpi.com/2076-0817/15/2/200)
Highly pathogenic avian influenza (HPAI) A/H5N1 has emerged as a cause of severe disease in domestic cats, but clinical data from field outbreaks remain limited. We retrospectively reviewed medical records, ... Hennessey M, Thi TH, Raghwani J, Kim Y, Pham HTT,. Avian Influenza A(H9N2) Virus Transmission across Chicken Production and Distribution Networks, Vietnam. Emerg Infect Dis. 2026 Feb. Abstract
submitted by kickingbird at Feb, 15, 2026 from Emerg Infect Dis. 2026 Feb (via https://wwwnc.cdc.gov/eid/article/32/2/25-1416_article)
In northern Vietnam, during March 2021–March 2022, prevalence of influenza A(H9N2) in chickens was higher in distribution facilities than on farms and varied between facility types. Phylogenetic analysis ... Trombetta CM, Fiori A, Falsini A, Pellegrini F, Le. Multicenter Serologic Investigation of Influenza D Virus in Cats and Dogs, Europe, 2015~2024. Emerg Infect Dis. 2026 Feb. Abstract
submitted by kickingbird at Feb, 15, 2026 from Emerg Infect Dis. 2026 Feb (via https://wwwnc.cdc.gov/eid/article/32/2/25-1164_article)
We conducted a multicenter study in Europe (France, Italy, and Ukraine) to assess the seroprevalence of influenza D virus (IDV) in domestic cats and dogs. Serum samples from France (2015–2018) and Italy ... YANG Xiaoyi, YUAN Chunliu, WEI Hongkuang, WANG Qin. Characteristic analysis of severe case of a human infection with H9N2 avian influenza in Nanning City. J Med Pest Control, Apr 2026, Vol.42, No.4. Abstract
submitted by kickingbird at Feb, 15, 2026 from J Med Pest Control, Apr 2026, Vol.42, No.4 (via http://www.flu.org.cn/scn/article-25258.html)
Objective To analyze the clinical manifestations of a severe child case of H9N2 Avian influenza virus infection in Nanning and epidemiological features of disease, to explore its possible source of infection, ... Zeka E Glucs, etc.,al. [preprint]Rapid Decline Of Nesting Peregrine Falcons In The San Francisco Bay Region Of California Synchronous With An H5N1 Outbreak. https://doi.org/10.64898/2026.02.11.705416. Abstract
submitted by kickingbird at Feb, 15, 2026 from https://doi.org/10.64898/2026.02.11.705416 (via https://www.biorxiv.org/content/10.64898/2026.02.11.705416v1)
After rebounding from near extirpation during the organochlorine era, breeding Peregrine Falcons (Falco peregrinus) in California are again facing adversity, this time consistent with an outbreak of a ... Petie R, Costa EF, Kampichler C, Slaterus R, Gonza. Identifying avian influenza hotspots in wild birds in the Netherlands. PLoS One. 2026 Feb 12;21(2):e0341829. Abstract
submitted by kickingbird at Feb, 13, 2026 from PLoS One. 2026 Feb 12;21(2):e0341829 (via https://journals.plos.org/plosone/article?id=10.1371/journal)
Highly Pathogenic Avian Influenza (HPAI) threatens wild and domestic birds, mammals, and humans. The global spread of HPAI through wild birds requires timely, spatially accurate detection for enhanced ... Viner TC, Dirks D, Straughan DJ, Hauck T. Fly larvae as an alternative sample for the detection of highly pathogenic avian influenza A(H5N1) virus. J Vet Diagn Invest. 2026 Feb 13:10406387251415197. Abstract
submitted by kickingbird at Feb, 13, 2026 from J Vet Diagn Invest. 2026 Feb 13:10406387251415197 (via https://journals.sagepub.com/doi/10.1177/10406387251415197)
Altered carcasses present a diagnostic challenge to veterinary pathologists. Autolysis and putrefaction may render organs unrecognizable, and scavenging by vertebrates and insects may remove organs entirely. ... Righter DJ, Howey EB, Siepker CL, Burrough ER, Mag. Detection of highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus in cull dairy cows with underlying respiratory and systemic disease. J Vet Diagn Invest. 2026 Feb 13:10406387261417354. Abstract
submitted by kickingbird at Feb, 13, 2026 from J Vet Diagn Invest. 2026 Feb 13:10406387261417354 (via https://journals.sagepub.com/doi/10.1177/10406387261417354)
Highly pathogenic avian influenza (HPAI) A(H5N1) clade 2.3.4.4b virus was identified in 4 cull dairy cows condemned by the U.S. Department of Agriculture because of pneumonia with accompanying systemic ... KE Qian, ZHENG Ju, WU Ping, ZHUANG Li. Analysis of the gene sequences of two cases of human infection with avian influenza H9N2 in Guizhou province in 2024. J Trop Med, Jan. 2026, Vol.26, No.1. Abstract
submitted by kickingbird at Feb, 12, 2026 from J Trop Med, Jan. 2026, Vol.26, No.1
Objective To explore the molecular characteristics of human infections with H9N2 avian influenza virus (AIV) in Guizhou province, so as to provide evidence for the prevention and control of avian influenza ... Luo WR, Yu JL, Sun Y, Gong L, Hou S, Lu ZH, Fang W. A case of avian influenza A (H5N6) presented with secondary infection in Anhui Province, China, 2024. J Microbiol Immunol Infect. 2026 Jan 29:S1684-1182. Abstract
submitted by kickingbird at Feb, 6, 2026 from J Microbiol Immunol Infect. 2026 Jan 29:S1684-1182 (via https://www.sciencedirect.com/science/article/pii/S168411822)
A case of H5N6 avian influenza was reported in Anhui Province, China. The viral titers in the patient's lungs and pharynx decreased rapidly after oseltamivir treatment, yet it still fatal. The whole genome ... Chin S, Soputhy C, Seng H, Mom S, Sar B, Finlay A,. Investigation of a Family Cluster of Human Infections With Highly Pathogenic Avian Influenza A(H5N1) Virus, Clade 2.3.2.1e, in Cambodia, February 2023. Influenza Other Respir Viruses. 2026 Feb;20(2):e70. Abstract
submitted by kickingbird at Feb, 6, 2026 from Influenza Other Respir Viruses. 2026 Feb;20(2):e70 (via https://onlinelibrary.wiley.com/doi/10.1111/irv.70231)
In February 2023, an 11-year-old girl in Cambodia developed severe respiratory symptoms and died of pneumonia and respiratory failure after testing positive for influenza A(H5). Contract tracing and testing ... W. W. Davis et al. Detecting Influenza A(H5N1) Viruses through Severe Acute Respiratory Infection Surveillance, Cambodia. Emerg Infect Dis. 2026 Mar. Abstract
submitted by kickingbird at Feb, 6, 2026 from Emerg Infect Dis. 2026 Mar (via https://wwwnc.cdc.gov/eid/article/32/3/25-0832_article)
Of 19 human cases of avian influenza A(H5N1) virus infection detected during January 2023–March 2025 in Cambodia, 12 (63%) were detected directly by surveillance for severe acute respiratory infection ... Bashashati M, Fallah Mehrabadi MH, Moradi Haghgou. H4N6 avian influenza virus in Iran: first isolation and molecular insights. Virus Genes. 2026 Feb 3. Abstract
submitted by kickingbird at Feb, 4, 2026 from Virus Genes. 2026 Feb 3 (via https://link.springer.com/article/10.1007/s11262-026-02215-0)
The rapid evolutionary dynamics of avian influenza viruses (AIVs) enable frequent genetic drift and reassortment, posing ongoing challenges to both poultry and public health. In this study, we report the ... ZHANG Le, LI Xiang, GAO Chuyi, ZHENG Jie, SHAN Qiu. The successful treatment of a case with severe human avian influenza A (H10N3) infection. Chinese Journal of Zoonoses, 2026, 42(2). Abstract
submitted by kickingbird at Feb, 4, 2026 from Chinese Journal of Zoonoses, 2026, 42(2)
We report the clinical characteristics and treatment of a human case with severe avian influenza A (H10N3) infection and provide a reference for the diagnosis and management of similar cases. A retrospective ... Yik Lim Hew, Claire Guinat, Manon Couty, Diletta F. Introduction and inter-species transmission dynamics of high pathogenicity avian influenza H5N1 viruses in Japan 2021-2025. Virus Evolution, 2026; veag005. Abstract
submitted by kickingbird at Feb, 3, 2026 from Virus Evolution, 2026; veag005 (via https://academic.oup.com/ve/advance-article/doi/10.1093/ve/v)
High pathogenicity avian influenza virus impacts poultry and wild birds worldwide. Since the introduction of clade 2.3.4.4b H5N1 isolates in Japan in late 2021, new cases have been reported in domestic ... Acevedo HD, Beeler E, Crossley B, Armién AG, Hende. Salpingitis and multiorgan lesions caused by highly pathogenic avian influenza A(H5N1) virus in a cat associated with consumption of recalled raw milk in California. J Vet Diagn Invest. 2026 Jan 29:10406387251413563. Abstract
submitted by kickingbird at Jan, 31, 2026 from J Vet Diagn Invest. 2026 Jan 29:10406387251413563 (via https://journals.sagepub.com/doi/10.1177/10406387251413563)
A panzootic caused by highly pathogenic avian influenza (HPAI) A(H5N1) virus, clade 2.3.4.4b, has affected many animal species around the world since 2021. In March 2024, genotype B3.13 of this virus was ... Lehman KA, Leibsle SR, Detwiler L, Gaborick C, McC. Detection of highly pathogenic avian influenza A(H5N1) virus 2.3.4.4b in alpacas. J Vet Diagn Invest. 2026 Jan 29:10406387251414557. Abstract
submitted by kickingbird at Jan, 31, 2026 from J Vet Diagn Invest. 2026 Jan 29:10406387251414557 (via https://journals.sagepub.com/doi/10.1177/10406387251414557)
Highly pathogenic avian influenza (HPAI) A(H5N1) virus, clade 2.3.4.4b, genotype 3.13, was first confirmed in dairy cattle in March 2024 in a Texas dairy herd and has since spread to other states, likely ... Marco Falchieri, etc.,al. Detection of Two High Pathogenicity Avian Influenza Virus (HPAIV) Subtypes, H5N1 and H5N5, in a Mass Mortality Event in Wild Seabirds and Co-Location With Dead Seals. Transboundary and Emerging Diseases. Abstract
submitted by kickingbird at Jan, 26, 2026 from Transboundary and Emerging Diseases (via https://onlinelibrary.wiley.com/doi/10.1155/tbed/4680980)
H5Nx Clade 2.3.4.4b high pathogenicity avian influenza viruses (HPAIVs) have been detected repeatedly in Great Britain (GB) since autumn 2020, with H5N1 dominating detections but with low level detection ... 507 items, 20/Page, Page[5/26][|<<] [|<] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [>|] [>>|] |
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