Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Early immune pathology and persistent dysregulation characterise severe COVID-19
The landscape of circulating platelet aggregates in COVID-19
Prognostic accuracy of qSOFA score, SIRS criteria, and EWSs for in-hospital mortality among adult patients presenting with suspected infection to the emergency department (PASSEM): protocol for an international multicentre prospective external validation cohort study
Effect of Long-Term Caloric Restriction on DNA Methylation Measures of Biological Aging in Healthy Adults: CALERIETM Trial Analysis
An optimized flow cytometry protocol for simultaneous detection of T cell activation induced markers and intracellular cytokines: application to SARS-Cov-2 vaccinated individuals
Score for Emergency Risk Prediction (SERP): An Interpretable Machine Learning AutoScore-Derived Triage Tool for Predicting Mortality after Emergency Admissions
Surveillance of COVID-19 vaccination in US nursing homes, December 2020-April 2021
Efficacy of SARS-CoV-2 wastewater surveillance for detection of COVID-19 at a residential private college
Risk of dementia after hospitalization due to traumatic brain injury: a longitudinal, population-based study
Current and Lifetime Somatic Symptom Burden Among Transition-aged Young Adults on the Autism Spectrum
Effect of commuting on the risk of COVID-19 and COVID-19-induced anxiety
Identifying opportunities for improving the organ supply through race-stratified data
Covid-19, Lockdowns and Motor Vehicle Collisions: Empirical Evidence from Greece
A phenome-wide association study identifies effects of copy number variation of VNTRs and multicopy genes on multiple human traits
Increased persuadability and credulity in people with corpus callosum dysgenesis
Estimation of the test to test distribution as a proxy for generation interval distribution for the Omicron variant in England
Gut Microbiome Predicts Clinically Important Improvement in Patients with Rheumatoid Arthritis
Transdiagnostic Profiles of Behaviour and Communication Relate to Academic and Socio-emotional Functioning and Neural White Matter Organisation
Effect of fasting therapy on vitamin D, vitality and quality of life. A randomized control trial
Elevated Neutrophil to Lymphocyte Ratio Predicts In-hospital Mortality Among Stroke Patients in a Metropolitan hospital in Australia, Universal Value-added measure in Stroke Care
Diagnostic performance of standard and inverted grey-scale CXR in detection of lung lesions in COVID-19 patients. A single institution study in the region of Abu Dhabi.
Quantitative magnetisation transfer imaging in relapsing-remitting multiple sclerosis: a systematic review and meta-analysis.
Massive social protests amid the pandemic in selected  Colombian  cities:  Did  they increase COVID-19 cases?
Few Excess Mortality probably due to COVID-19 in Tokyo, Japan in August and October, 2020
Specific concussion curriculum: Does it improve residents' comfort, Knowledge and In-Training Examination Scores? A pilot study.
Persistence of antibody and T cell responses to the Sinopharm/BBIBP-CorV vaccine in Sri Lankan individuals