Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Strategies for vaccination against SARS-CoV-2 to efficiently bring R<1
COVIDHunter: An Accurate, Flexible, and Environment-Aware Open-Source COVID-19 Outbreak Simulation Model
Forensic Alcohol Calculations in transgender individuals undergoing gender-affirming hormonal treatment
Impact of the COVID-19 pandemic on the provision of routine childhood immunizations in Ontario, Canada
Development and validation of the RCOS prognostic index: a bedside multivariable logistic regression model to predict hypoxaemia or death in patients with of SARS-CoV-2 infection
Genetic insights into the biological mechanisms governing human ovarian ageing
Research Letter: Reactive balance responses after mild traumatic brain injury (mTBI): a scoping review
Interim estimates of increased transmissibility, growth rate, and reproduction number of the Covid-19 B.1.617.2 variant of concern in the United Kingdom
Modern UNOS Data Reveals Septuagenarians have Inferior Heart Transplant Survival
Longitudinal changes in age and race of patients with SARS-CoV-2 in a multi-hospital health system
Impact of B.1.351 (beta) SARS-CoV-2 variant on BNT162b2 mRNA vaccine effectiveness in long-term care facilities of eastern France: a retrospective cohort study
Ready for Impact? A validity and feasibility study of instrumented mouthguards (iMGs)
Airway-specific autoantibodies identify a subset of patients with fibrotic interstitial lung disease
Food Insecurity in Households of People with Autism Spectrum Disorder during the COVID-19 Pandemic
Results Availability and Timeliness of Registered COVID-19 Clinical Trials: A Cross-Sectional Study
Dopamine D1 agonist effects in late-stage Parkinson's disease
Metabolomic and lipidomic signatures in autosomal dominant and late-onset Alzheimer disease brains
GWAS of Retinal Vessel Tortuosity Identifies 173 Novel Loci Revealing Genes and Pathways Associated with Vascular Pathomechanics and Cardiometabolic Diseases
Tanycytes are degraded in Alzheimer Disease, disrupting the brain-to-blood efflux of Tau
Compassionate Use of REGEN-COV(R) in Patients with COVID-19 and Immunodeficiency-Associated Antibody Disorders
Development and Validation of Suspicious Liver Lesion Deep Learning Algorithm for Computed Tomography
Usual Source of Primary Care and Preventive Care Measures in a Pandemic: A Nationwide Study in Japan
COVID-19-associated school closures and related efforts to sustain education and subsidized meal programs, United States, February 18-June 30, 2020
Comparison of endoscopic activity before and during the covid pandemic at a tertiary care hospital in South Punjab
Comparison of Object Detection Approaches Applied to Field Images of Papanicolaou Stained Cytology Slides
Multi-ethnic Investigation of Risk and Immune Determinants of COVID-19 Outcomes