Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Risk factors and survival in patients with COVID-19 in northeastern Brazil.
Expected Rates of Select Adverse Events following Immunization for COVID-19 Vaccine Safety Monitoring
Baseline QRS Duration Associates with Cardiac Recovery in Patients with Continuous-Flow Left Ventricular Assist Device Implantation
Deep Learning Prediction of Biomarkers from Echocardiogram Videos
Novel scotoma detection method using time required for fixation to the random targets
Single-Particle Counting Based on Digital Plasmonic Nanobubble Detection for Rapid and Ultrasensitive Diagnostics
Machine learning enabled subgroup analysis with real-world data to inform better clinical trial design
Soluble immune checkpoints are dysregulated in COVID-19 and heavy alcohol users with HIV infection
REACT-2 Round 5: increasing prevalence of SARS-CoV-2 antibodies demonstrate impact of the second wave and of vaccine roll-out in England
JOINT CONTRIBUTION OF MARKERS OF NEURODEGENERATION AND HYPERCHOLESTEROLEMIA TO DEMENTIA RISK
Reappraising Treatment Effect Heterogeneity in Schizophrenia: A Meta-analysis
Results publications are inadequately linked to trial registrations: An automated pipeline and evaluation of German university medical centers
REACT-1 round 13 interim report: acceleration of SARS-CoV-2 Delta epidemic in the community in England during late June and early July 2021
COVID-19 Vaccine Acceptance and Hesitancy in Low and Middle Income Countries, and Implications for Messaging
Gout, rheumatoid arthritis and the risk of death from COVID-19: an analysis of the UK Biobank
Suppression of de novo antibody responses against SARS-CoV2 and the Omicron variant after mRNA vaccination and booster in patients with B cell malignancies undergoing active treatment, but maintenance of pre-existing antibody levels against endemic viruses.
Experiences with Primary Care in the State of Utah for Gender Diverse People: Surveying the Difficulties in Accessing Healthcare
Imaging synaptic microstructure and synaptic loss in vivo in early Alzheimers Disease
The impact of National Centralized Drug Procurement policy on the use of policy-related original and generic drugs in public medical institutions in China: A difference-in-difference analysis based on national database
TSABL: Trait Specific Annotation Based Locus Predictor
In vivo kinetics of SARS-CoV-2 infection and its relationship with a person's infectiousness
Outbreaks of Covid-19 Variants in Prisons: A Mathematical Modeling Analysis of Vaccination and Re-Opening Policies
Physician-confirmed and administrative definitions of stroke in UK Biobank reflect the same underlying genetic trait.
Predictive targeting of mitochondrial metabolism in Acute Myeloid Leukemia patients with a lipoic acid analog
Memory recovery is related to default mode network impairment and neurite density during brain tumours treatment
The impact of high dose oral cotrimoxazole in patients with COVID-19 with hypoxic respiratory failure requiring non-invasive ventilation: A Case Control Study