Giacinti JA, Signore A, Torchetti M, Enrique Valde. North American perspective on the highly pathogenic avian influenza H5Nx clade 2.3.4.4b outbreak (November 2021 - March 2025). Can J Microbiol. 2026 May 11. Abstract
submitted by kickingbird at May, 12, 2026 from Can J Microbiol. 2026 May 11 (via https://cdnsciencepub.com/doi/10.1139/cjm-2025-0275)
Influenza A (H5Nx) highly pathogenic avian influenza viruses of clade 2.3.4.4b were first detected in North America in late 2021, initiating a multi-year outbreak unprecedented in geographic extent, duration, ... WPRO. Avian Influenza Weekly Update # 1044: 8 May 2026. WHO. Abstract
submitted by kickingbird at May, 11, 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. ... Nian YunPeng etc.,al. Investigation and Management of the First Human Case of Avian Influenza A(H10N3) Virus Infection in Northern China. Chinese Journal of Epidemiology 2026, 47(02):275. Abstract
submitted by kickingbird at May, 11, 2026 from Chinese Journal of Epidemiology 2026, 47(02):275 (via http://chinaepi.icdc.cn/zhlxbx/ch/reader/view_abstract.aspx?)
Objective: To analyze the epidemiological characteristics and field investigation findings of the first human case of H10N3 avian influenza virus infection in northern China, providing a reference for ... Michelle Wille, etc.,al. [preprint]Migratory bird and marine mammal surveillance fails to find evidence for an HPAI H5N1 2.3.4.4b incursion into Australia in 2025. https://doi.org/10.64898/2026.05.07.722556. Abstract
submitted by kickingbird at May, 11, 2026 from https://doi.org/10.64898/2026.05.07.722556 (via https://www.biorxiv.org/content/10.64898/2026.05.07.722556v1)
The panzootic caused by high pathogenicity avian influenza (HPAI) H5N1 clade 2.3.4.4b has been devastating for animals, globally. Despite global spread, the virus remains absent in Oceania. Herein we report ... Grace E. Quirk, etc.,al. [preprint]Variable transmission efficiency of mammalian origin HPAI D1.1 H5N1 strains in ferrets. https://doi.org/10.64898/2026.05.07.722809. Abstract
submitted by kickingbird at May, 11, 2026 from https://doi.org/10.64898/2026.05.07.722809 (via https://www.biorxiv.org/content/10.64898/2026.05.07.722809v1)
Highly pathogenic avian influenza H5N1 2.3.4.4b genotype D1.1 lineage continues to predominate in the United States wild bird population and has spilled over into dairy cattle three independent times. ... Ruan Z, Deng B, Yin W, Ma F, Lu Y, Wang H. Development of a nano-emulsion and evaluation of its intradermal adjuvant function of Swine Influenza H3N2 Vaccine. Virol J. 2026 May 8. Abstract
submitted by kickingbird at May, 11, 2026 from Virol J. 2026 May 8 (via https://link.springer.com/article/10.1186/s12985-026-03184-4)
Background: Intradermal (ID) immunization is a potent vaccination strategy, but its potential is limited by the lack of adjuvants that can effectively enhance immune responses while minimizing local skin ... Azbida M, Ferjani S, Elahmer O, Osman R, Shenaishe. Sentinel Surveillance of Influenza A in Libya: Subtyping and Genomic Analysis During Recent Seasons (2022–2024). Tropical Medicine and Infectious Disease. 2026; 11. Abstract
submitted by kickingbird at May, 11, 2026 from Tropical Medicine and Infectious Disease. 2026; 11 (via https://www.mdpi.com/2414-6366/11/5/127)
Influenza sentinel surveillance in Libya was formally established in 2022 by the Libyan National Center for Disease Control (NCDC). Between 2022 and 2024, a total of 1864 nasopharyngeal specimens were ... Zhao, Y., Liu, C., Li, Y. et al. Genetic and biological characterization of H9N2 avian influenza viruses isolated from swine in China. BMC Vet Res (2026). Abstract
submitted by kickingbird at May, 9, 2026 from BMC Vet Res (2026) (via https://link.springer.com/article/10.1186/s12917-026-05501-z)
Background: H9N2 avian influenza virus (AIV) has been circulating in poultry in China for decades and are undergoing adaptation to mammals, posing potential pandemic risks. To investigate the prevalence ... Lu Qingxia, Zhang Qingrui, Zhang Jiaqi, Zhu Xiangc. Retrospective Investigation on an Outbreak of Human-Swine Co-infection with H1 Subtype Influenza Virus in Hubei Province. DOI: 10.3969/j.issn.1005-944X.2026.04.002. Abstract
submitted by kickingbird at May, 9, 2026 from DOI: 10.3969/j.issn.1005-944X.2026.04.002 (via http://www.flu.org.cn/scn/article-25913.html)
Based on an outbreak of human-swine co-infection with H1 subtype influenza virus occurred on a farm in Hubei Province in 2023，the process of investigation and response，as well as related data were reviewed，the ... Richard J Sugrue, Richard Sutejo, Boon Huan Tan. [preprint]Evaluating the use of siRNA to silence the expression of the H5N2 virus polymerase genes as strategy to block the transmission of the avian H5N2 virus in mammalian cells. https://doi.org/10.64898/2026.05.04.722578. Abstract
submitted by kickingbird at May, 9, 2026 from https://doi.org/10.64898/2026.05.04.722578 (via https://www.biorxiv.org/content/10.64898/2026.05.04.722578v1)
We prepared siRNA libraries against the H5N2 virus NP gene, and the PA, PB1 and PB2 genes that express the proteins that form the virus polymerase complex. The antiviral activity of the siRNA libraries ... Josephine von Kempis, etc.,al. [preprint]Opposing cell type preferences for binding and replication shape influenza A virus infection in human airways. https://doi.org/10.64898/2026.05.04.722582. Abstract
submitted by kickingbird at May, 9, 2026 from https://doi.org/10.64898/2026.05.04.722582 (via https://www.biorxiv.org/content/10.64898/2026.05.04.722582v1)
Influenza A viruses (IAVs) pose a persistent threat to human health through seasonal epidemics and zoonotic spillover from avian reservoirs. As respiratory pathogens, they primarily target the airway epithelium. ... Tamiru N. Alkie et al. Mammary and respiratory infection of sheep with H5Nx clade 2.3.4.4b viruses with milk-mediated transmission to lambs. Sci. Adv.12,eaed1287(2026). Abstract
submitted by kickingbird at May, 9, 2026 from Sci. Adv.12,eaed1287(2026) (via https://www.science.org/doi/10.1126/sciadv.aed1287)
H5Nx clade 2.3.4.4b viruses are evolving rapidly, expanding host ranges and threatening animal and public health. In the US, genotype B3.13 dominates dairy outbreaks, while D1.1 is linked to fewer cases. ... Kieran TJ, Maines TR, Belser JA. Limited ´heft´ of weight-based outcomes in predicting influenza A virus disease severity in ferrets. PLoS Comput Biol. 2026 May 8;22(5):e1014210. Abstract
submitted by kickingbird at May, 9, 2026 from PLoS Comput Biol. 2026 May 8;22(5):e1014210 (via https://journals.plos.org/ploscompbiol/article?id=10.1371/jo)
Studies evaluating viral pathogenicity in small mammalian models often quantify disease severity using the magnitudes of temperature rise and weight loss post-challenge. However, no rigorous assessment ... Wei, M., Pan, Y., Wang, K. et al. Post-Marketing Active Surveillance of Adverse Events Following Quadrivalent Subunit Influenza Vaccine in Healthy Participants Aged≥3 Years in China. Infect Dis Ther (2026). Abstract
submitted by kickingbird at May, 9, 2026 from Infect Dis Ther (2026) (via https://link.springer.com/article/10.1007/s40121-026-01354-z)
IntroductionThe observational phase IV study through an active surveillance system aimed to assess the safety of the subunit influenza vaccine in healthy individuals aged?≥?3 years and explore the feasibility ... Mengdan Fei, etc.,al. Migration of Brown-headed Gulls on the Qinghai-Tibet Plateau: Potential transmission routes for highly pathogenic H5Nx virus. Avian Research. Abstract
submitted by kickingbird at May, 9, 2026 from Avian Research (via https://www.sciencedirect.com/science/article/pii/S205371662)
The Qinghai-Tibet Plateau serves as a critical hub along the Central Asian Flyway (CAF) and a recognized hotspot for the emergence of highly pathogenic avian influenza (HPAI) viruses. Despite recurrent ... Knief U, Bouwhuis S, Globig A, Günther A, Courtens. Counting cases, conserving species: addressing highly pathogenic avian influenza in wildlife. Biol Rev Camb Philos Soc. 2026 May 8. Abstract
submitted by kickingbird at May, 9, 2026 from Biol Rev Camb Philos Soc. 2026 May 8 (via https://onlinelibrary.wiley.com/doi/abs/10.1002/brv.70173)
Highly pathogenic avian influenza (HPAI) has become a critical threat to wildlife, shifting from a seasonal epizootic to a persistent, year-round panzootic with global consequences. Here, we summarise ... Bhat S, Sadeyen JR, Yang J, Chrzastek K, Karunarat. A G57 (BJ/94-like) H9N2 avian influenza virus exhibits enhanced replication and tissue dissemination in chickens compared with a G1-B virus. J Gen Virol. 2026 May;107(5). Abstract
submitted by kickingbird at May, 9, 2026 from J Gen Virol. 2026 May;107(5) (via https://www.microbiologyresearch.org/content/journal/jgv/10.)
Avian influenza H9N2 viruses cause economic losses to the poultry industry and pose a public health risk. Two major H9N2 lineages dominate globally: the G1 lineage (genotype G1-B), prevalent in the Middle ... Fran?ois-Xavier Briand, etc.,al. Re-emergence of a highly pathogenic avian influenza H5N1 virus of clade 2.3.4.4b in poultry in France. Infection, Genetics and Evolution. Abstract
submitted by kickingbird at May, 9, 2026 from Infection, Genetics and Evolution (via https://www.sciencedirect.com/science/article/pii/S156713482)
Two epidemic waves of the same HPAI H5N1 virus, three months apart, were observed in poultry farms in southwestern France in 2022–2023. The high genetic similarity of the viruses observed between the two ... Vaughan A, Joyce A, Traub E, et al. Serologic Evidence of Highly Pathogenic Avian Influenza A(H5N1) Virus Infection in a Veterinary Professional Exposed to an Infected Domestic Cat - Los Angeles County, California, Dec 2024-Jan 2025. MMWR 2026;75:215-220. Abstract
submitted by kickingbird at May, 8, 2026 from MMWR 2026;75:215-220 (via https://www.cdc.gov/mmwr/volumes/75/wr/mm7517a1.htm?s_cid=OS)
Since 2021, avian influenza A(H5N1) clade 2.3.4.4b viruses have spread widely among wild birds and domesticated poultry in the United States, with sporadic spillover into mammals. During November 2024–January ... Kibiger L, Oltean HN, Leitz L, et al. Fatal Human Case of Highly Pathogenic Avian Influenza A(H5N5) in a Backyard Flock Owner - Washington, November 2025. MMWR Morb Mortal Wkly Rep 2026;75:221-225. Abstract
submitted by kickingbird at May, 8, 2026 from MMWR Morb Mortal Wkly Rep 2026;75:221-225 (via https://www.cdc.gov/mmwr/volumes/75/wr/mm7517a2.htm?s_cid=mm)
Clade 2.3.4.4b influenza A(H5N1) viruses have circulated across migratory bird flyways in the United States since 2022, including in Washington, where backyard flock detections have been reported annually. ... 10273 items, 20/Page, Page[7/514][|<<] [|<] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [>|] [>>|] |
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