Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Investigating the relationship between serum ACE 2 level and COVID-19 patients' prognosis: a cross-sectional study
Fetal Tracheal Occlusion Increases Lung Basal Cells via Increased Yap Signaling
Sentinel seroprevalence of SARS-CoV-2 in the Gauteng province, South Africa August to October 2020.
How many lives do COVID vaccines save? Evidence from Israel.
Assessment of Genetic Susceptibility to Multiple Primary Cancers through Whole-Exome Sequencing in Two Large Multi-Ancestry Studies
A phenome-wide association study identifies effects of copy number variation of VNTRs and multicopy genes on multiple human traits
Prevention and Attenuation of COVID-19 by BNT162b2 and mRNA-1273 Vaccines
Comparison of radiation dose and cancer risk between conventional polychromatic imaging and gemstone spectral imaging in computed tomography (CT) examination: a phantom study
Inherently explainable deep neural network-based interpretation of electrocardiograms using variational auto-encoders
Effect of Long-Term Caloric Restriction on DNA Methylation Measures of Biological Aging in Healthy Adults: CALERIETM Trial Analysis
Risk-stratified lifestyle intervention to prevent type 2 diabetes
Multicenter, Randomized, Open-Label, Comparative Study of Therapeutic Efficacy, Safety, and Tolerability of BNO 1030 application in the technology of delayed prescription of antibiotics in patients with severe acute tonsillitis.
Correlation between the environmental parameters with outbreak pattern of COVID-19: A district level investigation based on yearlong period in India
Structural Neuroplasticity Following Cognitive Behavioral Therapy for the Treatment of Chronic Musculoskeletal Pain: A Randomized Controlled Trial with Secondary MRI Outcomes
Functional and structural impairment of small nerve fibers in patients suffering from hypermobile Ehlers Danlos Syndrome/Hypermobility Spectrum Disorder
Safety and immunogenicity of a high-dose quadrivalent influenza vaccine administered concomitantly with a third dose of the mRNA-1273 SARS-CoV-2 vaccine in adults >= 65 years of age: a Phase II, open-label study
Seroconversion following SARS-CoV-2 Infection or Vaccination in Pediatric IBD Patients
Preclinical Efficacy in Investigator's Brochures: Stakeholders' views on measures to improve Completeness and Robustness
Common and rare variant analyses combined with single-cell multiomics reveal cell-type-specific molecular mechanisms of COVID-19 severity
Progress of the Delta variant and erosion of vaccine effectiveness, a warning from Utah
A mixed-methods study of risk factors and experiences of healthcare workers tested for the novel coronavirus in Canada
The Effects of Pericapsular nerve group (PENG) block on Postoperative Recovery in Elderly Patients with Hip fracture: a study protocol for randomized, parallel controlled, double-blind trial
Potential severity, mitigation, and control of Omicron waves depending on pre-existing immunity and immune evasion
Epitweetr: Early warning of public health threats using Twitter data
A booster dose is immunogenic and will be needed for older adults who have completed two doses vaccination with CoronaVac: a randomised, double-blind, placebo-controlled, phase 1/2 clinical trial
The motivational control of human action, its neural bases and functional impact in OCD