Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Association of chronic kidney disease, ethnicity and socioeconomic status with COVID-19 hospitalisation and mortality: a UK Biobank study
A glomerular transcriptomic landscape of APOL1 in Black patients with focal segmental glomerulosclerosis
Combined administration of inhaled DNase, baricitinib and tocilizumab as rescue treatment in COVID-19 patients with severe respiratory failure
Comparative magnitude and persistence of SARS-CoV-2 vaccination responses on a population level in Germany
Autoantibodies against IL-1-receptor-antagonist in multisystem inflammatory syndrome in children
Understanding microvascular thrombosis in COVID-19 via massive single-cell imaging of circulating platelets
Changing incidence of invasive pneumococcal disease in infants less than 90 days of age before and after introduction of the 13-valent Pneumococcal Conjugate Vaccine in Blantyre, Malawi: a 14-year hospital based surveillance study
Implementing the Maternal Postnatal Attachment Scale (MPAS) in universal services: Qualitative interviews with health visitors
The gut microbiome is a significant risk factor for future chronic lung disease
COVID-19 OUTCOMES IN PREGNANCY: A REVIEW OF 275 SCREENED STUDIES
Validation of a Pancreatic Cancer Detection Test in New-Onset Diabetes Using Cell-Free DNA 5-Hydroxymethylation Signatures
Communicating the health risks of wildfire smoke exposure: Health literacy considerations of public health campaigns
Diversity in Parkinson's disease genetics research: current landscape and future directions
Association of lipid-regulating drugs with dementia and related conditions: an observational study of data from the Clinical Practice Research Datalink
Determinants of pre-vaccination antibody responses to SARS-CoV-2: a population-based longitudinal study (COVIDENCE UK)
Contribution of white matter hyperintensities to ventricular enlargement in older adults
The common H202D variant in GDF-15 does not affect its bioactivity but can significantly interfere with measurement of its circulating levels
Spread of infection and treatment interruption among Japanese workers during the COVID-19 pandemic: a cross-sectional study
Leaders gender and the fight against COVID-19: investigation, replication, and a possible explanation
Adaptive single-channel EEG artifact removal withapplications to clinical monitoring
Safety, Immunogenicity, and Efficacy of COVID-19 Vaccine in Children and Adolescents: A Systematic Review
Genetic mismatch explains sizable variation of COVID-19 vaccine efficacy in clinical trials
The impact of legislation on Covid-19 mortality in a Brazilian federative unit was mediated by social isolation.
Global epidemiology of SARS-CoV-2 infection: a systematic review and meta-analysis of standardized population-based seroprevalence studies, Jan 2020-Oct 2021
A Multi-Stage Stochastic Programming Approach to Epidemic Resource Allocation with Equity Considerations
Estimating typhoid incidence from community-based serosurveys:  A multicohort study in Bangladesh, Nepal, Pakistan and Ghana