Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Immune Responses to COVID-19 mRNA Vaccines in Patients with Solid Tumors on Active, Immunosuppressive Cancer Therapy
Unusually high risks of COVID-19 mortality with age-related comorbidities: An adjusted method to improve the risk assessment of mortality using the comorbid mortality data.
Fluid administration guided by inferior vena cava ultrasound before spinal anaesthesia may reduce post procedural hypotension rate
Hand Hygiene Products and Adverse Skin Reactions: A Comparison between Health Care and Non-Health Care Workers
Effectiveness of COVID-19 vaccines against variants of concern in Ontario, Canada
Risk-driven responses to COVID-19 eliminate the tradeoff between lives and livelihoods
Assessing Open Science practices in physical activity behaviour change intervention evaluations
BNT162b2 vaccination induces SARS-CoV-2 specific antibody secretion into human milk with minimal transfer of vaccine mRNA
COVID-19 County Level Severity Classification with Imbalanced Class: A NearMiss Under-sampling Approach
Electroconvulsive therapy effects on anhedonia and reward circuitry anatomy: a dimensional structural neuroimaging approach
Feasibility of Continuous Distal Body Temperature for Passive, Early Pregnancy Detection
Statin use in relation to intraocular pressure, glaucoma, and ocular coherence tomography parameters in the UK Biobank
Assessing the impact of a national clinical guideline for the management of chronic pain on opioid prescribing rates: A controlled interrupted time series analysis
Protective effect of a first SARS-CoV-2 infection from reinfection: a matched retrospective cohort study using PCR testing data in England
A log-odds system for waning and boosting of COVID-19 vaccine effectiveness
Causes of death in people with cardiovascular disease: a prospective UK Biobank cohort study
An adaptive testing strategy for efficient utilization of healthcare resources during an epidemic
Methylome-wide association study of antidepressant use in Generation Scotland and the Netherlands Twin Register implicates the innate immune system
Comprehensive care programmes in chronic obstructive pulmonary disease: a systematic review and meta-analysis of randomized controlled trials and real-world studies
First and Second Wave Dynamics of Emergency Department Utilization during the COVID-19 Pandemic: a retrospective study
Novelty-induced frontal-STN networks in Parkinson's disease
Deep learning segmentation model for automated detection of the opacity regions in the chest X-rays of the Covid-19 positive patients and the application for disease severity
Non-intuitive trends of fetal fraction development related to gestational age and fetal gender, and their practical implications for non-invasive prenatal testing
The Community Opinions on Vaccine Issues and Decisions (COVID) Survey: Using a rapid Knowledge, Attitude and Practice (KAP) survey in supporting a community engagement approach to address COVID-19 vaccine uptake initiatives.
Visible light optical coherence tomography of peripapillary retinal nerve fiber layer reflectivity in glaucoma
Identifying variation in GP referral rates: an observational study of outpatient headache referrals.