Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Frailty trajectories in the oldest old: Is the level or the rate of change more predictive of mortality?
Understanding the impact of the COVID-19 pandemic on a socially deprived UK coastal town: a preliminary exploratory analysis of health and socioeconomic data
"I wanna live and not think about the future" What place for advance care planning for people living with severe multiple sclerosis and their families? A qualitative study
The effect of calcium supplementation in people under 35 years old: A systematic review and meta-analysis of randomized controlled trials
Fundamental limits on inferring epidemic resurgence in real time using effective reproduction numbers
Urine metabolome of tuberculosis patients receiving intensive phase of treatment show diurnal variations.
Bacterial superinfection pneumonia in SARS-CoV-2 respiratory failure
Evaluation of the United States COVID-19 Vaccine Allocation Strategy
Primary school staff perspectives of school closures due to COVID-19, experiences of schools reopening and recommendations for the future: a qualitative survey in Wales
Analysis of screening results of high-risk population of stroke in Northern Henan Province
Biomarker-guided neuromodulation aids memory in traumatic brain injury
Three-dose mRNA-1273 vaccination schedule: sufficient antibody response in majority of immunocompromised hematology patients
Convalescent plasma for outpatients with early COVID-19
Specificity of SARS-CoV-2 antibody-detection assays against S and N protein among pre-COVID-19 sera from patients with protozoan and helminth parasitic infections
First-in-Human Trial of a Recombinant Stabilized Prefusion SARS-CoV-2 Spike Protein Vaccine with Adjuvant of Aluminum Hydroxide and CpG 1018
Immunogenicity of the Ad26.CoV2.S vaccine in people living with HIV
Antibody responses induced by trivalent inactivated influenza vaccine among pregnant and non-pregnant women in Thailand: a matched cohort study
A Systematic Review and Meta-analysis of Polycystic Ovary Syndrome and Mental Health among Black Asian Minority Ethnic populations
Reduced antibody activity against SARS-CoV-2 B.1.617.2 Delta virus in serum of mRNA-vaccinated patients receiving TNF-alpha inhibitors
Impact of vaccination on SARS-CoV-2 cases in the community: a population-based study using the UK COVID-19 Infection Survey
Sensitive detection of SARS-CoV-2 seroconversion by flow cytometry reveals the presence of nucleoprotein-reactive antibodies in unexposed individuals
Spanish Version of the Attitude Towards COVID-19 Vaccines Scale: Reliability and Validity Assessment
Multi-scalar data integration links glomerular angiopoietin-tie signaling pathway activation with progression of diabetic kidney disease
Evaluation and risk communication of effects of alcohol exposure on disposable procedure masks and portable air purifiers
Powerful gene-based testing by integrating long-range chromatin interactions and knockoff genotypes
Non-invasive Diagnosis of Deep Vein Thrombosis from Ultrasound with Machine Learning