Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Systematic review of imaging tests to predict the development of rheumatoid arthritis in people with unclassified arthritis
Risk factors for infection, predictors of severe disease and antibody response to COVID-19 in patients with rheumatic diseases in Portugal - a multicentre, nationwide study
Prospective cohort study of socioeconomic status and subsequent unemployment under COVID-19 in Japan
Social and racial/ethnic differences in parental willingness to vaccinate children against COVID-19 in Montreal, Canada
Huge Excess Mortality due to the delta strain of COVID-19 in Japan in August and September, 2021
Serum DNA methylome of the colorectal cancer serrated pathway
Nomogram-Based Prognostic Model to predict the High blood pressure in Children and Adolescents: Findings from 342,736 individuals in China
Black and Native Overdose Mortality Overtook that of White Individuals During the COVID-19 Pandemic
The evidence on transmission dynamics of COVID-19 from pre- and asymptomatic cases: protocol for a systematic review. (Version 2 modified on 6 July 2021)
Geospatial approach to investigate spatial clustering and hotspots of blood lead levels in children within Kabwe, Zambia
Multi-ancestry meta-analysis identifies 2 novel loci associated with ischemic stroke and reveals heterogeneity of effects between sexes and ancestries
Predicting pneumothorax after lung biopsy from pre-operative imaging using a deep convolutional neural network
An external validation of the QCovid risk prediction algorithm for risk of mortality from COVID-19 in adults: national validation cohort study in England
Comprehensive analysis of GBA using a novel algorithm for Illumina whole-genome sequence data or targeted Nanopore sequencing
Seroconversion rate and socioeconomic and ethnic risk factors for SARS-CoV-2 infection in children in a population-based cohort
COVID-19 cases from the first local outbreak of SARS-CoV-2 B.1.1.7 variant in China presented more serious clinical features: a prospective, comparative cohort study
Effect of vaccination on transmission of COVID-19: an observational study in healthcare workers and their households
Rapid assessment of COVID-19 mortality risk with GASS classifiers
Performance of intensive care unit severity scoring systems across different ethnicities.
Identification Of Genetically Related HCV Infections Among Self-Described Injecting Partnerships
Can we predict antibody responses in SARS-CoV-2? A cohort analysis.
Australian children's foot, ankle and leg problems in primary care: a secondary analysis of the Bettering the Evaluation and Care of Health (BEACH) data
How Informative Were Early SARS-CoV-2 Treatment and Prevention Trials? A longitudinal cohort analysis of trials registered on clinicaltrials.gov
Clinical Evidence for Improved Outcomes with Histamine Antagonists and Aspirin in 22,560 COVID-19 Patients
Mining for Health: A Comparison of Word Embedding Methods for Analysis of EHRs Data
Intrahost-diversity of influenza A virus in upper and lower respiratory tract derived samples from a college community