Pariani Elena, Puzelli Simona, Del Castillo Gabrie. Imported case of avian influenza A(H9N2) virus infection in a patient with miliary tuberculosis, Italy, March 2026. Euro Surveill. 2026;31(15):pii=2600285. Abstract
submitted by kickingbird at 23 hours ago from Euro Surveill. 2026;31(15):pii=2600285 (via https://www.eurosurveillance.org/content/10.2807/1560-7917.E)
On 21 March 2026, avian influenza A(H9N2) virus was confirmed in Italy in a patient with miliary tuberculosis. The patient had recently travelled to West Africa. Following the detection of an unsubtypable ... Deng L, Shah T, Wang Y, Cheng P, Kui Y, Wang B, Xi. Characterization and Genetic Evolution of H6N2 Subtype AIV Isolates from Aquatic Birds. Microorganisms. 2026; 14(4):895. Abstract
submitted by kickingbird at 1 days ago from Microorganisms. 2026; 14(4):895 (via https://www.mdpi.com/2076-2607/14/4/895)
Birds serve as the primary natural reservoirs for avian influenza viruses (AIVs), harboring nearly all known AIV subtypes. The seasonal migratory movements of wild birds play a significant role in the ... Mohammad Jawad Jahid, etc.,al. Evaluation of experiences in mass depopulation of upland gamebirds in response to HPAI H5N1 outbreaks in North America: a mixed-methods study. IJID One Health. Abstract
submitted by kickingbird at 1 days ago from IJID One Health (via https://www.sciencedirect.com/science/article/pii/S294991512)
ObjectivesOutbreaks of highly pathogenic avian influenza (HPAI) continues to threaten poultry production. Available control measures, specifically depopulation, encounter operational challenges in upland ... Lim A, Poulsen K, Caserta LC, Guan L, Opgenorth E,. Highly Pathogenic Avian Influenza A(H5N1) Virus RNA in Bovine Semen, California, USA, 2024. Emerg Infect Dis. 2026 May. Abstract
submitted by kickingbird at 2 days ago from Emerg Infect Dis. 2026 May (via https://wwwnc.cdc.gov/eid/article/32/5/25-1639_article)
Since March 2024, highly pathogenic avian influenza (HPAI) A(H5N1) virus has infected dairy cattle in the United States, prompting concern about novel transmission routes. During an outbreak in California, ... Harrington, W.N., Signore, A., Kercher, L. et al. Rapid expansion of genotype D1.1A(H5N1) influenza viruses in wild birds across North America during the 2024 migratory season. Nat Med (2026). Abstract
submitted by kickingbird at 2 days ago from Nat Med (2026) (via https://www.nature.com/articles/s41591-026-04300-1)
In late 2021, high pathogenicity avian influenza A(H5N1) clade 2.3.4.4b viruses entered North America and reassorted rapidly with local avian influenza viruses. In September 2024, we detected a new reassortant ... 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. Abstract
submitted by kickingbird at 2 days ago from Avian Pathology (via https://www.tandfonline.com/doi/full/10.1080/03079457.2026.2)
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 ... Singh G, Bhavsar D, Hermann E, Gleason C, Singh Sa. Population immunity to clade 2.3.4.4b H5N1 is dominated by anti-neuraminidase antibodies. mBio 0:e00445-26. Abstract
submitted by kickingbird at 2 days ago from mBio 0:e00445-26 (via https://journals.asm.org/doi/10.1128/mbio.00445-26)
Clade 2.3.4.4b highly pathogenic avian influenza A(H5N1) viruses continue to expand geographically and across mammalian hosts, raising concern about pandemic potential. The degree and specificity of pre-existing ... Mark A Power, etc.,al. Characterisation of immune responses targeting highly pathogenic avian influenza A(H5) viruses in health-care workers in the Netherlands: an observational, cross-sectional analysis. The Lancet Microbe. Abstract
submitted by kickingbird at 2 days ago from The Lancet Microbe (via https://www.sciencedirect.com/science/article/pii/S266652472)
BackgroundHighly pathogenic avian influenza A(H5) viruses pose a pandemic threat, with a history of mammalian adaptation and zoonotic spillovers into humans. We aimed to determine whether pre-existing ... Se-Hee An, etc.,al. Development of multiplex real-time RT-PCR assays for the simultaneous detection and lineage differentiation of H9 avian influenza viruses. Poultry Science. Abstract
submitted by kickingbird at 2 days ago from Poultry Science (via https://www.sciencedirect.com/science/article/pii/S003257912)
H9 avian influenza viruses (AIVs) have caused continuous economic losses in poultry and pose a risk of introducing novel lineages through wild birds and human activities, highlighting the importance of ... Wei Zhang, etc.,al. Molecular Characterization and Pathogenicity of H9N2 Avian Influenza Viruses in Poultry in Shandong Province, China, 2021–2023. Poultry Science. Abstract
submitted by kickingbird at 2 days ago from Poultry Science (via https://www.sciencedirect.com/science/article/pii/S003257912)
The H9N2 avian influenza virus (AIV) is currently widespread worldwide, posing a severe threat to the poultry industry and public health. To investigate the epidemiological characteristics, genomic evolution, ... Budt M, Barac I, Kohs J, Krischuns T, Naffakh N, W. Historical Pandemic and Contemporary Influenza A Viruses Reveal PB2 M631L as a Convergent Adaptation to Human ANP32. Microorganisms. 2026; 14(4):859. Abstract
submitted by kickingbird at 2 days ago from Microorganisms. 2026; 14(4):859 (via https://www.mdpi.com/2076-2607/14/4/859)
Understanding the genetic changes that allow avian influenza A viruses (IAVs) to switch their natural hosts and establish productive infection in humans is important for pandemic risk assessment. Adaptations ... Branda F, Petrosillo N, Ceccarelli G, Scarpa F, Gi. Influenza A(H3N2) Subclade K (J.2.4.1): Molecular Characterization, Antigenic Divergence, and Global Spread During the 2025/26 Season. Infectious Disease Reports. 2026; 18(2):37. Abstract
submitted by kickingbird at 2 days ago from Infectious Disease Reports. 2026; 18(2):37 (via https://www.mdpi.com/2036-7449/18/2/37)
Background: Influenza A(H3N2) continues to evolve rapidly, frequently eroding population immunity and challenging seasonal vaccine strain selection. During the 2025/26 season, the A(H3N2) subclade K (J.2.4.1) ... Ojha CR, Rovito SW, Banoth B, Kim H, Jones JC, Ala. Effect of Acid-Stabilizing Hemagglutinin Mutations on Immunogenicity and Heterologous Protection by H1N1 Influenza Virus mRNA-LNP Vaccines. Viruses. 2026; 18(4):467. Abstract
submitted by kickingbird at 2 days ago from Viruses. 2026; 18(4):467 (via https://www.mdpi.com/1999-4915/18/4/467)
While current influenza vaccines often lack broad protection against antigenically drifted strains, some modified hemagglutinin (HA) protein antigens have shown promise in eliciting broadly neutralizing ... Samuel A. Turner, David J. Pattinson, etc.,al. [preprint]Predicting the antigenic evolution of seasonal influenza viruses using phylogenetic convergence. https://doi.org/10.64898/2026.04.10.717627. Abstract
submitted by kickingbird at 3 days ago from https://doi.org/10.64898/2026.04.10.717627 (via https://www.biorxiv.org/content/10.64898/2026.04.10.717627v1)
The antigenic evolution of human seasonal influenza viruses is primarily driven by single amino acid substitutions immediately adjacent to the receptor binding site in the hemagglutinin (HA) protein. The ... Ibrahim M, Mostafa D, Manie EA, El-Sanousi AA, Sha. Field study using sentinel birds and ELISA for differentiating infected from vaccinated animals (DIVA) in chicken flocks vaccinated with inactivated avian influenza H5 vaccines. Br Poult Sci. 2026 Apr 13:1-8. Abstract
submitted by kickingbird at 3 days ago from Br Poult Sci. 2026 Apr 13:1-8 (via https://www.tandfonline.com/doi/full/10.1080/00071668.2026.2)
1. This study used unvaccinated sentinels plus Avian Influenza Virus (AIV) specific ELISA for differentiating infected from vaccinated animals (DIVA). Birds assessed were from 10 broiler flocks (F1-F10), ... Li B, Wu Y, Song Y, Guo H, Qin G, Lin L, Zhao H, R. Genetic Characterization and Pathogenicity of a Triple-Reassortant H1N1 Swine Influenza Virus Isolated in Guangdong. Transbound Emerg Dis. 2026 Apr 10;2026:7175378. Abstract
submitted by kickingbird at 3 days ago from Transbound Emerg Dis. 2026 Apr 10;2026:7175378 (via https://onlinelibrary.wiley.com/doi/10.1155/tbed/7175378)
An H1N1 subtype swine influenza virus (SIV) was isolated from nasal swabs collected from pigs with suspected swine influenza (SI) on a farm in Guangdong, China. The virus, designated A/Swine/Guangdong/JJK/2025(H1N1) ... Marotta MG, Mapulanga T, Maina M, Daly J, Camero M. Development and Qualification of a Pseudotyped Virus-Based Microneutralisation Assay for Influenza D Virus. Influenza Other Respir Viruses. 2026 Apr;20(4):e70. Abstract
submitted by kickingbird at 3 days ago from Influenza Other Respir Viruses. 2026 Apr;20(4):e70 (via https://onlinelibrary.wiley.com/doi/10.1111/irv.70245)
Background: Epidemiological surveillance of influenza D virus (IDV) has gained increased priority following recent serological findings indicating its potential zoonosis in humans. In this context, it ... Liu Y, Wu S, Liu Y, Chen J, Xiao J, Zhang J, Huang. Molecular and antigenic characteristics of the influenza B virus in Guangzhou, 2022-2023. Virol J. 2026 Apr 14. Abstract
submitted by kickingbird at 3 days ago from Virol J. 2026 Apr 14 (via https://link.springer.com/article/10.1186/s12985-026-03141-1)
Background: The Influenza B virus (IBV), which accounts for nearly a quarter of annual global influenza-associated morbidity, represents a major human respiratory pathogen. Since late 2019, IBV transmission ... Wang FR, Huang H, Zheng QT, Deng YY, Zheng GP, Liu. Expert consensus on imaging diagnosis of human infection with avian influenza. Quant Imaging Med Surg. 2026 Apr 1;16(4):319. Abstract
submitted by kickingbird at 3 days ago from Quant Imaging Med Surg. 2026 Apr 1;16(4):319 (via https://qims.amegroups.org/article/view/151392/html)
Avian influenza viruses (AIVs) can infect humans through respiratory transmission, direct contact, and other routes, with the lungs being the most commonly affected site. In recent years, sporadic cases ... WPRO. Avian Influenza Weekly Update # 1040: 10 April 2026. WHO. Abstract
submitted by kickingbird at 5 days ago 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. ... 10058 items, 20/Page, Page[1/503][|<<] [|<] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [>|] [>>|] |
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