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An analysis of 24,202 critical cases of COVID-19 identifies potentially druggable targets in inflammatory signalling (JAK1), monocyte–macrophage activation and endothelial permeability (PDE4A), immunometabolism (SLC2A5 and AK5), and host factors required for viral entry and replication (TMPRSS2 and RAB2A).

A global network of researchers was formed to investigate the role of human genetics in SARS-CoV-2 infection and COVID-19 severity; this paper reports 13 genome-wide significant loci and potentially actionable mechanisms in response to infection.

Whole-genome sequencing, transcriptome-wide association and fine-mapping analyses in over 7,000 individuals with critical COVID-19 are used to identify 16 independent variants that are associated with severe illness in COVID-19.

Openshaw and colleagues find myeloid inflammation and complement activation signatures in patients with long COVID who were previously hospitalized.

A genome-wide association study of critically ill patients with COVID-19 identifies genetic signals that relate to important host antiviral defence mechanisms and mediators of inflammatory organ damage that may be targeted by repurposing drug treatments.

T cell responses can be generated to either pathogen infection or from priming with a vaccine. Here the authors compare T cell generation, phenotype and single cell transcriptome of participants vaccinated with a mpox vaccine or infected with the virus showing that the virus induced T cells showed more effective function and phenotype.

An investigation using various methods reports an association between adeno-associated virus 2 and paediatric hepatitis of unknown aetiology.

This study uses a combination of in silico and experimental techniques to ascribe target genes to 170 risk loci for colorectal cancer.

Large genome-wide meta-analysis of clinically diagnosed late-onset Alzheimer’s disease (LOAD) from 94,437 individuals identifies new LOAD risk loci and implicates Aβ formation, tau protein binding, immune response and lipid metabolism.

A case–control study investigating the causes of recent cases of acute hepatitis of unknown aetiology in 32 children identifies an association between adeno-associated virus infection and host genetics in disease susceptibility.

COVID-19 can be associated with neurological complications. Here the authors show that markers of brain injury, but not immune markers, are elevated in the blood of patients with COVID-19 both early and months after SARS-CoV-2 infection, particularly in those with brain dysfunction or neurological diagnoses.

Meta-analysis of genome-wide association studies on Alzheimer’s disease and related dementias identifies new loci and enables generation of a new genetic risk score associated with the risk of future Alzheimer’s disease and dementia.

In a cluster-randomized trial conducted across 70 medical centers in six countries, a 16-week structured educational program for healthcare providers improved adherence to guidelines for rhythm control but not for stroke prevention in individuals with atrial fibrillation.

Severe sepsis has a high mortality rate. Here, the authors provide genomic, transcriptomic, proteomic and metabolomic data across four sepsis-causing pathogens and identify a signature of global increase in fatty acid and lipid biosynthesis as well as cholesterol acquisition.

Do purchasable randomised reward mechanisms in video games (loot boxes) constitute gambling? Opinions often rest on whether virtual items obtained from loot boxes have real-world value. Using market data from real transactions, we show that virtual items have real-world monetary value and therefore could be regulated under existing gambling legislation.

Genome-wide ancient DNA data from individuals from the Middle Bronze Age to Iron Age documents large-scale movement of people from the European continent between 1300 and 800 bc that was probably responsible for spreading early Celtic languages to Britain.

Plant root architecture can adapt to different nutrient conditions in the soil. Here Giri et al. show that the rice auxin influx carrier AUX1 mobilizes auxin from the root apex to the differentiation zone and promotes root hair elongation when roots encounter low external phosphate.

TOI-500 hosts at least four planets, the innermost of which is an Earth-sized ultra-short-period body with a density similar to Earth. The architecture of the TOI-500 system can be explained by a slow, secular, low-eccentricity migration scenario.

Richard Houlston and colleagues report results of a genome-wide association study of childhood acute lymphoblastic leukemia. Identified risk loci include IKZF1 on 7p12.2 and ARID5B on 10q21.2, which encode transcription factors involved in the differentiation of B-cell progenitors.

Sven van der Lee, Julie Williams, Gerard Schellenberg and colleagues identify rare coding variants in PLCG2, ABI3 and TREM2 associated with Alzheimer's disease. These genes are highly expressed in microglia and provide additional evidence that the microglia-mediated immune response contributes to the development of Alzheimer's disease.

Streptococcus dysgalactiae subsp. equisimilis is closely related to Streptococcus pyogenes and colonises the same sites in humans. This study examines cross-species transmission interactions and genetic exchange in a high disease burden setting.

The genetic factors that predispose individuals to familial colorectal cancer are poorly understood. In this study, the authors use whole exome sequencing of 1,006 patients and 1,609 healthy controls and show it is unlikely that further major high-penetrance susceptibility genes exist.

Previous work has identified several genes where mutations lead to breast cancer, but other genetic and environmental factors must still be accounted for. A large study of genetic association with breast cancer points to four novel genes and many more genetic markers that should be pursued for their link to cancer susceptibility.

David Whitcomb, Bernie Devlin and colleagues report the results of a genome-wide association study of pancreatitis. They identify common variants at two loci associated with risk of this disease, including one on the X chromosome that shows strong evidence of interaction with alcohol consumption.