Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Equitable COVID-19 vaccine prioritization: front-line workers or 65-74 year olds?
The Impact of SARS-CoV-2 Lineages (Variants) on the COVID-19 Epidemic in South Africa
COVID-19 outcomes associated with clinical and demographic characteristics in patients hospitalized with severe and critical disease in Peshawar
SPECIFIC DETECTION OF SARS-COV-2 VARIANTS B.1.1.7 (ALPHA) AND B.1.617.2 (DELTA) USING A ONE-STEP QUANTITATIVE PCR ASSAY
Effect of removing race correction factor in glomerular filtration rate estimation on predicting acute kidney injury after percutaneous coronary intervention
Survival of vaccine-induced human milk SARS-CoV-2 IgG and IgA immunoglobulins across simulated human infant gastrointestinal digestion
Immunogenetics of resistance to SARS-CoV-2 infection in discordant couples
Mathematical modelling of SARS-CoV-2 variant outbreaks reveals their probability of extinction
Can 10x cheaper, lower-efficiency particulate air filters and box fans complement High-Efficiency Particulate Air (HEPA) purifiers to help control the COVID-19 pandemic?
Patient attrition in Molecular Tumour Boards: A Review
Convergent abnormalities of β-amyloid deposition, glucose metabolism, and fMRI activity in the dorsal precuneus in subjective cognitive decline
Relationships between freezing of gait severity and cognitive deficits in Parkinson's disease
Antibody Responses after SARS-CoV-2 Vaccination in Lymphoma
GCH1 mutations in hereditary spastic paraplegia
Characterizing Sleep Disorders in an Autism-Specific Collection of Electronic Health Records
Using explainable machine learning to identifypatients at risk of reattendance at discharge from emergency departments
Evidence for feasibility of mobile health and social media-based interventions for early psychosis and clinical high risk
A Model to Predict In-hospital Mortality in Elderly Patients with Community-acquired Pneumonia: a Retrospective Study
You're too young to have an eye problem: Reasons for nonadherence to referrals for follow-up eye care for schoolchildren in Nigeria -- a descriptive qualitative study
Efficacy and safety of Ayurveda interventions for Sinusitis: A systematic review and meta-analysis.
Histopathological assessments reveal retinal vascular changes, inflammation, and gliosis in patients with lethal COVID-19
Predicting mortality, duration of treatment, pulmonary embolism and required ceiling of ventilatory support for COVID-19 inpatients: A Machine-Learning Approach
Trust in the research community predicts intent to comply with COVID-19 prevention measures: An analysis of a large-scale international survey dataset
Prior Covid-19 and high RBD-IgG levels correlate with protection against VOC-delta SARS-CoV-2 infection in vaccinated Nursing Home Residents
Gestational SARS-CoV-2 infection is associated with placental expression of immune and trophoblast genes
Clinician views on best practice community care for people with complex emotional needs and how it can be achieved: a qualitative study