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Changes to virus taxonomy, the international code of virus classification and nomenclature, and the ICTV statutes ratified by the International Committee on Taxonomy of Viruses (2025)

Arch Virol. 2025 Dec 18;171(1):23. doi: 10.1007/s00705-025-06485-1. ABSTRACT The 56th meeting of the Executive Committee (EC) of the International Committee on Taxonomy of Viruses (ICTV) was held in Bari, Italy, in July/August, 2024, and 115 submitted taxonomy proposals were reviewed. A total of 112 were subsequently ratified by the ICTV membership. An additional 9 error … Read more

Population ecology and biogeochemical implications of ssDNA and dsDNA viruses along a permafrost thaw gradient

Nat Commun. 2025 Dec 11;17(1):375. doi: 10.1038/s41467-025-67057-0. ABSTRACT Anthropogenic-driven climate change is accelerating permafrost thaw, threatening to release vast carbon stores through increased microbial activity. While microbial roles are increasingly studied, the contributions of viruses remain largely unexplored, in part due to soil-associated technical challenges that have hindered their detection and characterization. Here, we applied … Read more

Novel circoviruses identified in short-finned pilot whale and orca from the North Atlantic Ocean

Virology. 2026 Feb;615:110768. doi: 10.1016/j.virol.2025.110768. Epub 2025 Dec 5. ABSTRACT The family Circoviridae comprises viruses with small single-stranded DNA genomes that are known to infect various animals, resulting in considerable morbidity and mortality in some hosts. Circoviruses have been recently identified through metagenomic sequencing in diverse terrestrial vertebrate species, but their distribution and diversity in … Read more

Early-life infection dynamics and genomic diversity of adenoviruses in a wild primate (Theropithecus gelada)

Microb Genom. 2025 Dec;11(12):001595. doi: 10.1099/mgen.0.001595. ABSTRACT In humans, adenoviruses (AdVs) are frequently associated with respiratory illnesses, posing risks to children with developing immune systems and immunocompromised individuals. Outbreaks and epidemics are generally centred in close-contact settings, such as childcare facilities, and transmission occurs through faecal-oral and airborne pathways. AdVs have coevolved across the primate … Read more

Campus-based genomic surveillance uncovers early emergence of a future dominant A(H3N2) influenza clade

iScience. 2025 Nov 4;28(12):113941. doi: 10.1016/j.isci.2025.113941. eCollection 2025 Dec 19. ABSTRACT We conducted genomic surveillance during the 2022-2023 northern hemisphere influenza season at a university in the southwestern US to assess how local diversity and evolution compared to national trends. We identified 100 positive samples (19%) from clinical swabs collected at a student health clinic … Read more

Diversity of polyomaviruses and papillomaviruses in penguins from eastern and western Antarctica

Microb Genom. 2025 Nov;11(11):001580. doi: 10.1099/mgen.0.001580. ABSTRACT Polyomaviruses and papillomaviruses are icosahedral viruses with small circular dsDNA genomes. Limited information on their diversity and evolution in avian hosts is available, with even less known regarding Antarctic penguins. Prior to this study, only one polyomavirus and two papillomaviruses had been identified in Adélie penguins (Pygoscelis adeliae). … Read more

Identification and characterization of a novel papillomavirus in thornback skate (Raja clavata)

Microb Genom. 2025 Nov;11(11):001541. doi: 10.1099/mgen.0.001541. ABSTRACT Papillomaviruses are non-enveloped, double-stranded DNA viruses capable of infecting a wide range of vertebrates, from chondrichthyans to mammals. In this study, we report for the first time the identification and complete genome of a papillomavirus in the thornback skate (Raja clavata), named Raja clavata papillomavirus 1 (RclaPV1). The … Read more

Age-stratified Data Highlight Worldwide Variability in Organ Donation Rates and the Potential Increase in Organ Donation

Transplantation. 2026 Mar 1;110(3):e707-e714. doi: 10.1097/TP.0000000000005564. Epub 2025 Nov 6. ABSTRACT BACKGROUND: Ongoing shortages of organs for transplantation have prompted the critical question of which countries have the highest organ donation rates and how each can increase those rates. The existing metric of donors per million population is flawed because it does not sufficiently account … Read more

Canine Parvovirus and Vaccine-Origin Feline Panleukopenia Virus in Wastewater, Arizona, USA: July 2022-June 2023

Microorganisms. 2025 Sep 11;13(9):2124. doi: 10.3390/microorganisms13092124. ABSTRACT Canine parvovirus (CPV) is a virus of veterinary health significance and a member of the Parvoviridae family. Despite its clinical significance and global distribution, surveillance is often limited to cases serious enough to result in veterinary visit and/or hospitalization, thereby limiting our understanding of its evolution and diversity. … Read more

Incidence and diversity of circoviruses, polyomaviruses, and adenoviruses in exotic free-roaming rosy-faced lovebirds from Phoenix, Arizona, USA

Incidence and diversity of circoviruses, polyomaviruses, and adenoviruses in exotic free-roaming rosy-faced lovebirds from Phoenix, Arizona, USA Kraberger, S., Custer, J. M., Hammond, R., Gibson, M., Aguiar de Souza Penha, V., McGraw, H., Fountain-Jones, N. M., Olivo, D., Vargas, K. L., Kaján, G. L., Harrach, B., McGraw, K. J. & Varsani, A., Oct 2025, In: … Read more