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| Open AccessEnhanced CD95 and interleukin 18 signalling accompany T cell receptor Vβ21.3+ activation in multi-inflammatory syndrome in children
Multi-Inflammatory Syndrome in Children (MIS-C) is a severe post-infectious presentation related to SARS-CoV-2 infection. Here authors used multi-omics approaches to characterise MIS-C cases and found increased CD95 and IL-18 signalling accompanying the expansion of TCR Vβ 21.3+ T cells.
- Zhenguang Zhang
- , Iain R. L. Kean
- & Nazima Pathan
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Article
| Open AccessOriginal COVID-19 priming regimen impacts the immunogenicity of bivalent BA.1 and BA.5 boosters
Waning immunity and the emergence of the SARS-CoV-2 Omicron lineage led to reduced vaccine effectiveness and required vaccine updates. Here, the authors assess how different priming regimens affect the immunogenicity of BA.1 and BA.5 bivalent boosters.
- Luca M. Zaeck
- , Ngoc H. Tan
- & Rory D. de Vries
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Article
| Open AccessVascular endothelial-derived SPARCL1 exacerbates viral pneumonia through pro-inflammatory macrophage activation
The molecular basis underlying infection infection-mediated lung pathology is not fully revealed. Here the authors report that SPARCL1 expressed in pulmonary capillary endothelial cells contributes to immune pathology in mouse model via pro-inflammatory macrophage induction, while circulating SPARCL1 levels corelate with COVID-19 lethality.
- Gan Zhao
- , Maria E. Gentile
- & Andrew E. Vaughan
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Article
| Open AccessStructural mechanism of bacteriophage lambda tail’s interaction with the bacterial receptor
Here, Ge et al use cryo-electron microscopy to resolve the structure of the bacteriophage lambda tail in complex with its LamB receptor from Shigella sonnei and shed light on the conformational changes that the phage tail fiber undergoes in response to binding.
- Xiaofei Ge
- & Jiawei Wang
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Article
| Open AccessStructures of the mumps virus polymerase complex via cryo-electron microscopy
The viral polymerase complex is crucial for both genome replication and transcription in non-segmented negative-strand RNA viruses. Here, the authors link varying structures of polymerase complexes with their dual functions and propose a sliding model for them to advance along the RNA templates.
- Tianhao Li
- , Mingdong Liu
- & Qing-Tao Shen
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Article
| Open AccessStructure of HIV-1 RRE stem-loop II identifies two conformational states of the high-affinity Rev binding site
HIV relies on the RRE RNA interaction with Rev protein for nuclear export of viral mRNAs. The structure of the high-affinity Rev binding site in RRE in two conformations suggests a mechanism for initial Rev binding and oligomerization onto RRE.
- Jerricho Tipo
- , Keerthi Gottipati
- & Kyung H. Choi
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Article
| Open AccessImpacts of human mobility on the citywide transmission dynamics of 18 respiratory viruses in pre- and post-COVID-19 pandemic years
Population mobility is associated with SARS-CoV-2 transmission but its impacts on other respiratory viruses are not well understood. Here, the authors investigate associations between mobile phone-derived mobility metrics and the dynamics of 18 respiratory viruses in Seattle, Washington from 2018 to 2022.
- Amanda C. Perofsky
- , Chelsea L. Hansen
- & Cécile Viboud
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Article
| Open AccessThe nucleic acid binding protein SFPQ represses EBV lytic reactivation by promoting histone H1 expression
Here, Murray-Nerger et al use a genome-wide CRISPR/Cas9 screen to show that the nuclear protein SFPQ suppresses lytic reactivation of Epstein-Barr virus by promoting the expression and accumulation of linker histone H1 on the viral genome.
- Laura A. Murray-Nerger
- , Clarisel Lozano
- & Benjamin E. Gewurz
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Article
| Open AccessThe EV71 2A protease occupies the central cleft of SETD3 and disrupts SETD3-actin interaction
Enteroviruses are responsible for several human diseases without treatment. This study describes the molecular interactions between SETD3, actin, and viral 2A in viral replication, providing a framework for the development of host-targeted therapies against enteroviruses.
- Xiaopan Gao
- , Bei Wang
- & Sheng Cui
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Article
| Open AccessImportance of social inequalities to contact patterns, vaccine uptake, and epidemic dynamics
Contact patterns influence the spread of infectious diseases, but mathematical models of epidemics typically only account for age differences in contacts. Here, the authors investigate the importance of other sociodemographic characteristics in shaping contact patterns and vaccine uptake using survey data from Hungary.
- Adriana Manna
- , Júlia Koltai
- & Márton Karsai
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Article
| Open AccessSerological evidence of zoonotic filovirus exposure among bushmeat hunters in Guinea
In a serological analysis, Bore et al. utilise serum samples, collected from a cohort of individuals associated with bushmeat hunting and butchering, in the forested region of Guinea, a region close to the epicentre of the 2013–2016 West Africa Ebola virus disease epidemic.
- Joseph Akoi Boré
- , Joseph W. S. Timothy
- & Miles W. Carroll
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Article
| Open AccessADAM9 promotes type I interferon-mediated innate immunity during encephalomyocarditis virus infection
Mice lacking A Disintegrin and Metalloproteinase 9 (ADAM9) do not mount Type 1 interferon responses against encephalomyocarditis infection. Here, Bazzone et al show that ADAM9 regulates innate immune responses via by MDA5.
- Lindsey E. Bazzone
- , Junji Zhu
- & Evelyn A. Kurt-Jones
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Article
| Open AccessSequential glycosylations at the multibasic cleavage site of SARS-CoV-2 spike protein regulate viral activity
Here, the authors show that GalNAc-T3 and T7 regulate furin cleavage of the SARS-CoV-2 spike protein via O-glycosylation. This influences viral assembly and infection, highlighting glycosylation as a host defense mechanism.
- Shengjun Wang
- , Wei Ran
- & Yang Mao
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Article
| Open AccessRisk assessment of a highly pathogenic H5N1 influenza virus from mink
In 2023, a highly pathogenic H5N1 virus caused an outbreak in mink. In the ferret model of influenza, the virus exhibits limited airborne transmissibility and high virulence. These findings indicate heightened pandemic potential of these viruses.
- Katherine H. Restori
- , Kayla M. Septer
- & Troy C. Sutton
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Article
| Open AccessOctyl itaconate enhances VSVΔ51 oncolytic virotherapy by multitarget inhibition of antiviral and inflammatory pathways
The use of oncolytic viruses as a therapy for cancer is limited by mechanisms inhibiting viral replication in the tumor. Here, the authors show that a chemical derivative of itaconate, 4-octyl itaconate, increases oncolytic virus VSVΔ51 efficacy in various cancer models, through decreasing antiviral immunity.
- Naziia Kurmasheva
- , Aida Said
- & David Olagnier
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Article
| Open AccessStructures of H5N1 influenza polymerase with ANP32B reveal mechanisms of genome replication and host adaptation
The authors demonstrate how avian H5N1 influenza A virus polymerase interacts with human ANP32B to facilitate the replication of the viral genetic information in mammalian hosts, revealing insights into cross-species transmission.
- Ecco Staller
- , Loïc Carrique
- & Ervin Fodor
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Article
| Open AccessFunctional and antigenic characterization of SARS-CoV-2 spike fusion peptide by deep mutational scanning
Deep mutational scanning experiments on an S2 region spanning the fusion peptide of authentic SARS-CoV-2 with different cell lines revealed that mutations at residue 813 of the spike protein reduced TMPRSS2-mediated entry with decreased virulence.
- Ruipeng Lei
- , Enya Qing
- & Lok-Yin Roy Wong
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Article
| Open AccessSafety, immunogenicity and efficacy of the self-amplifying mRNA ARCT-154 COVID-19 vaccine: pooled phase 1, 2, 3a and 3b randomized, controlled trials
In this randomized, controlled integrated phase 1/2/3a/3b clinical trial, the authors show that the self-amplifying mRNA COVID-19 vaccine ARCT-154 shows good immunogenicity and is safe and efficient against COVID-19 (57% against any COVID-19, and 95% against severe COVID-19).
- Nhân Thị Hồ
- , Steven G. Hughes
- & Xuan-Hung Nguyen
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Article
| Open AccessGene editing for latent herpes simplex virus infection reduces viral load and shedding in vivo
The main challenge for anti-HSV therapy is to target latent virus in ganglionic neurons. Here, the authors report a well-tolerated anti-HSV gene editing approach against HSV which targets latent HSV genomes and leads to reductions of ganglionic viral loads, and viral shedding upon reactivation in mouse models.
- Martine Aubert
- , Anoria K. Haick
- & Keith R. Jerome
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Article
| Open AccessRelationship between HLA genetic variations, COVID-19 vaccine antibody response, and risk of breakthrough outcomes
Human leucocyte antigens are important in the adaptive immune response. Here, the authors use data from the UK Biobank linked to electronic health records to investigate the association between genetic variation in HLA alleles and antibody responses to SARS-CoV-2 vaccination and breakthrough COVID-19 outcomes.
- Junqing Xie
- , Beatriz Mothe
- & Daniel Prieto Alhambra
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Article
| Open AccessHerpes simplex encephalitis due to a mutation in an E3 ubiquitin ligase
Encephalitis is a rare and severe complication of Herpes Simplex type 1 infection. Here, Bibert et al describe a genetic variant in a 2-year-old affected child that impairs interferon production in neuronal cells and enhances viral replication.
- Stéphanie Bibert
- , Mathieu Quinodoz
- & Pierre-Yves Bochud
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Article
| Open AccessTemporal shifts in 24 notifiable infectious diseases in China before and during the COVID-19 pandemic
Public health and social measures for COVID-19 also impacted the incidence of other infectious diseases. In this study, the authors characterise the impacts of these measures on 24 notifiable infectious diseases in China until December 2023.
- Kangguo Li
- , Jia Rui
- & Tianmu Chen
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Article
| Open AccessHigh SARS-CoV-2 incidence and asymptomatic fraction during Delta and Omicron BA.1 waves in The Gambia
Many low- and middle-income countries, including The Gambia, had low COVID-19 vaccination coverage during the emergence of the Delta and Omicron variants. Here, the authors perform a prospective household cohort study in the Gambia to investigate the dynamics of SARS-Cov-2 infection in this setting.
- Sheikh Jarju
- , Rhys D. Wenlock
- & Thushan I. de Silva
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Article
| Open AccessReplication competent HIV-guided CRISPR screen identifies antiviral factors including targets of the accessory protein Nef
Innate immune mechanisms are critical for antiviral defense. Here, the authors developed a CRISPR/Cas9-based HIV-driven approach to identify cellular factors compromising viral transcription, assembly, release or infectivity in human T cells. They identify targets of the Nef protein as antiviral factors.
- Caterina Prelli Bozzo
- , Alexandre Laliberté
- & Frank Kirchhoff
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Article
| Open AccessSeasonal antigenic prediction of influenza A H3N2 using machine learning
This study presents a machine learning model that accurately predicts seasonal antigenic changes of influenza A H3N2 using genetic data. The model’s predictions can aid influenza surveillance, vaccine strain selection, and public health management.
- Syed Awais W. Shah
- , Daniel P. Palomar
- & Matthew R. McKay
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Article
| Open AccessAdjuvant-dependent impact of inactivated SARS-CoV-2 vaccines during heterologous infection by a SARS-related coronavirus
Here, Dillard and Taft-Benz et al. show in a female mouse model how different adjuvants affect inactivated vaccine-mediated protection against homologous SARS-CoV-2 and heterologous SARS-CoV-1-like coronaviruses. They find that an aluminum hydroxide-adjuvanted vaccine can increase risk of adverse outcomes during heterologous infection.
- Jacob A. Dillard
- , Sharon A. Taft-Benz
- & Mark T. Heise
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Article
| Open AccessConcomitant human papillomavirus (HPV) vaccination and screening for elimination of HPV and cervical cancer
Here the authors report baseline results of a population-based trial testing concomitant human papillomavirus (HPV) vaccination and HPV-based screening of young women in Sweden and, using a transmission model, suggest that this approach may reduce high-risk HPV infections.
- Laila Sara Arroyo Mühr
- , Andrea Gini
- & Joakim Dillner
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Article
| Open AccessDynamic diversity of SARS-CoV-2 genetic mutations in a lung transplantation patient with persistent COVID-19
In this study, the authors report the case of a patient who underwent lung transplantation and subsequently developed COVID-19 that resulted in persistent infection. Following antiviral treatment, SARS-CoV-2 (BA.5) showed dynamic genetic diversity with remdesivir resistant mutations leading to enhanced fusogenicity.
- Hidetoshi Igari
- , Seiichiro Sakao
- & Eiji Ido
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Article
| Open AccessCD8+ T-cell responses towards conserved influenza B virus epitopes across anatomical sites and age
Influenza B viruses are linked to significant morbidity and mortality, and yet their immunobiology is comparatively poorly understood. Here Menon et al identify influenza B virus-specific CD8+ T cell epitopes and characterise these in adults, children and the elderly.
- Tejas Menon
- , Patricia T. Illing
- & Katherine Kedzierska
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Article
| Open AccessHIV transmission dynamics and population-wide drug resistance in rural South Africa
There is limited data on drug resistance in South African communities strongly affected by HIV. In this study, the authors observed low levels of resistance to newer drugs but widespread resistance to older HIV medications in a South African community. Resistance to rilpivirine was detected even in untreated individuals.
- Steven A. Kemp
- , Kimia Kamelian
- & Ravindra K. Gupta
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Article
| Open AccessOxygen enhances antiviral innate immunity through maintenance of EGLN1-catalyzed proline hydroxylation of IRF3
Oxygen is an essential requirement for aerobic organisms. Here the authors explore the role of oxygen in the antiviral innate response in multiple models of infection and suggest oxygen enhances the antiviral innate response via EGLN1 hydroxylation of IRF3.
- Xing Liu
- , Jinhua Tang
- & Wuhan Xiao
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Article
| Open AccessMucosal prime-boost immunization with live murine pneumonia virus-vectored SARS-CoV-2 vaccine is protective in macaques
Immunization via the respiratory route is predicted to increase the effectiveness of SARS-CoV-2 vaccines. Here, Kaiser et al. describe a murine pneumonia virus vectored vaccine expressing spike protein, and show that intranasal immunization of male rhesus macaques provides good mucosal and systemic immunogenicity and efficacy.
- Jaclyn A. Kaiser
- , Christine E. Nelson
- & Cyril Le Nouën
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Article
| Open AccessThe airborne transmission of viruses causes tight transmission bottlenecks
Genomic analyses have indicated that a small number of virus particles usually found new infections. Here, the authors use a mathematical model to show that this small transmission bottleneck is a result of the physical processes of airborne virus emission, diffusion, and inhalation.
- Patrick Sinclair
- , Lei Zhao
- & Christopher J. R. Illingworth
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Article
| Open AccessBat-borne H9N2 influenza virus evades MxA restriction and exhibits efficient replication and transmission in ferrets
In this study, the authors report that bat H9N2 influenza A virus replicates and transmits in ferrets, efficiently infects human lung explant cultures, evades MxA antiviral activity in mice, and has low antigenic similarity to seasonal N2, meeting pre-pandemic criteria.
- Nico Joel Halwe
- , Lea Hamberger
- & Martin Beer
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Article
| Open AccessCross-species spill-over potential of the H9N2 bat influenza A virus
In this study, the authors report that a bat influenza A (H9N2) virus shows receptor binding features similar to avian influenza viruses, efficiently infects ex-vivo human respiratory cells and replicates in the lungs of mice and upper respiratory tract of ferrets following airborne transmission.
- Rabeh El-Shesheny
- , John Franks
- & Richard J. Webby
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Article
| Open AccessAmbient carbon dioxide concentration correlates with SARS-CoV-2 aerostability and infection risk
Carbon dioxide concentration has previously been used as a proxy for overall ventilation efficiency to indirectly estimate the risk of indoor SARS-CoV-2 transmission. Here, authors investigate whether the concentration of carbon dioxide also has a direct mechanistic role in improving transmission efficiency.
- Allen Haddrell
- , Henry Oswin
- & Jonathan P. Reid
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Article
| Open AccessTravel surveillance uncovers dengue virus dynamics and introductions in the Caribbean
Dengue is a major public health concern in the Americas, and the Caribbean can be a source for reintroduction and spread. Here, the authors use travel surveillance data and genomic epidemiology to reconstruct Dengue epidemic dynamics in the Caribbean from 2009-2022.
- Emma Taylor-Salmon
- , Verity Hill
- & Nathan D. Grubaugh
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Article
| Open AccessLoss of TRIM29 mitigates viral myocarditis by attenuating PERK-driven ER stress response in male mice
Knowledge of pathogenesis mechanisms and effective treatments for viral myocarditis is lacking. Here, Wang et al show that loss of TRIM29 and PERK inhibitor mitigate viral myocarditis by attenuating PERK-driven ER stress and ROS responses in male mice.
- Junying Wang
- , Wenting Lu
- & Junji Xing
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Article
| Open AccessMYADM binds human parechovirus 1 and is essential for viral entry
Host factors required for parechovirus entry are not well understood. Here, the authors identify MYADM as an essential host entry factor that directly binds human parechovirus 1 and that is required for PeV-A infection in cell lines and human gastrointestinal epithelial organoids.
- Wenjie Qiao
- , Christopher M. Richards
- & Jan E. Carette
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Article
| Open AccessA giant virus infecting the amoeboflagellate Naegleria
This is the first report on a virus infecting the amoeboflagellate Naegleria, including the lethal human pathogen N. fowleri. The new virus isolate, Catovirus naegleriensis (Naegleriavirus, NiV), shows hallmarks of giant viruses (Nucleocytoviricota) and unique adaptations to its protist host.
- Patrick Arthofer
- , Florian Panhölzl
- & Matthias Horn
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Article
| Open AccessLong-term monitoring of SARS-CoV-2 seroprevalence and variants in Ethiopia provides prediction for immunity and cross-immunity
Detailed data on SARS-CoV-2 dynamics in Africa remain limited. Here, the authors use longitudinal serology and SARS-CoV-2 sequencing data from Ethiopia between August 2020 and July 2022 to characterise circulating variants, identify infection pathways, and explore cross-immunity properties.
- Simon Merkt
- , Solomon Ali
- & Andreas Wieser
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Article
| Open AccessMulti-omics analysis reveals COVID-19 vaccine induced attenuation of inflammatory responses during breakthrough disease
Here, Drury et al study gene, microRNA and protein expression during COVID-19, in a randomised controlled trial of ChAdOx1 nCoV19 vaccine and find that ChAdOx1 nCoV-19 attenuates the inflammatory response, thought to be the basis for severe COVID-19.
- Ruth E. Drury
- , Susana Camara
- & Daniel O’Connor
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Article
| Open AccessAn ancestral SARS-CoV-2 vaccine induces anti-Omicron variants antibodies by hypermutation
Repeat vaccination with COVID-19 mRNA vaccines has been shown to increase breadth of the antibody response. Here the authors demonstrate that B cell clones induced by the ancestral COVID-19 vaccine develop into daughter clones with different reactivity to individual SARS-CoV-2 variants through the accumulation of somatic hypermutations.
- Seoryeong Park
- , Jaewon Choi
- & Junho Chung
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Article
| Open AccessDeviations in RSV epidemiological patterns and population structures in the United States following the COVID-19 pandemic
Non-pharmaceutical interventions for COVID-19 also impacted the transmission of other viruses including respiratory syncytial virus (RSV). Here the authors describe the changing epidemiology, clinical severity, and genetic diversity of RSV in Chicago, Illinois, from July 2010 to April 2023.
- Estefany Rios-Guzman
- , Lacy M. Simons
- & Judd F. Hultquist
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Article
| Open AccessMonkeypox virus genomic accordion strategies
The 2023 monkeypox outbreak was caused by a subclade IIb monkeypox virus (MPXV). Here, using advanced sequencing techniques, the authors identify variations on low-complexity regions of the MPXV genome and describe their potential as evolutionary drivers.
- Sara Monzón
- , Sarai Varona
- & Gustavo Palacios
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Article
| Open AccessImprovement of immune dysregulation in individuals with long COVID at 24-months following SARS-CoV-2 infection
Post-acute sequelae of COVID (PASC) or long-COVID can affect a proportion of those infected but this is not well understood. Here the authors perform a single cell transcriptomics analysis of immune cells from long-COVID patients at 24 months and find that cell changes observed at 3 and 8 months do not persist to 24 months.
- Chansavath Phetsouphanh
- , Brendan Jacka
- & Gail V. Matthews
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Article
| Open AccessData-driven recombination detection in viral genomes
Here, the authors present RecombinHunt, a computational method based on big data analysis, that enhances community-based detection of recombinant viral lineages.
- Tommaso Alfonsi
- , Anna Bernasconi
- & Stefano Ceri
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Article
| Open AccessSynergistic effect of two human-like monoclonal antibodies confers protection against orthopoxvirus infection
In this study, the authors show that a single dose of a combination of two human-like monoclonal antibodies protect mice in therapeutic treatment against challenges with ectromelia virus and monkeypox virus. Combination treatment provided more effective viral clearance than single antibody treatment.
- Hadas Tamir
- , Tal Noy-Porat
- & Tomer Israely
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Matters Arising
| Open AccessReply to: Population genetic considerations regarding the interpretation of within-patient SARS-CoV-2 polymorphism data
- Chase W. Nelson
- , Leo L. M. Poon
- & Haogao Gu
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