Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Pre-pandemic cognitive function and COVID-19 mortality: prospective cohort study
A general model for the demographic signatures of the transition from pandemic emergence to endemicity
Epidemiological characteristics of three SARS-CoV-2 variants of concern and implications for future COVID-19 pandemic outcomes
Effect of Digoxin on Interstage Outcomes following Stage I Palliation for Functionally Univentricular Hearts: A Systematic Review and Meta-Analysis
Shocked-relaxed-tired: Mental health during the three waves of the Covid-19
Severe COVID-19 is characterised by inflammation and immature myeloid cells early in disease progression
Plasma Markers of Disrupted Gut Permeability in Severe COVID-19 Patients
Local CCL18 and CCL21 expand lung fibrovascular niches and recruit lymphocytes, leading to tertiary lymphoid structure formation in prolonged COVID-19
Multi-strain fermented milk promotes gut microbiota recovery after Helicobacter pylori therapy: a randomised, controlled trial
Model-based estimation of transmissibility and reinfection of SARS-CoV-2 P.1 variant
A Comparative Study Between Nasopharyngeal/Oropharyngeal, Faecal and Saliva Viral Shedding In Ghanaian COVID-19 Patients attending KATH from October-December, 2020
A polygenic risk score for coronary heart disease performs well in individuals aged 70 years and older
Derivation and external validation of clinical prediction rules identifying children at risk of linear growth faltering (stunting) presenting for diarrheal care
Contribution of white matter hyperintensities to ventricular enlargement in older adults
Translational Modeling Identifies Synergy between Nanoparticle-Delivered miRNA-22 and Standard-of-Care Drugs in Triple Negative Breast Cancer
Assessment of Quadriceps Muscle Weakness in Association with Symptomatic and Radiological Osteoarthritis of the Knee
Mask up! Testing strategies to increase mask usage in Kenya
A Net Benefit Approach for the Optimal Allocation of a COVID-19 Vaccine
COVID-19 mortality in the United States: It's been two Americas from the start
SARS-CoV-2 infections in infants in Haiti 2020-2021; evidence from a serological cohort
The interaction between lifetime depression severity and BMI is related to altered activation pattern in the right inferior frontal gyrus during food anticipation
Antimicrobial use in COVID-19 patients in the first phase of the SARS-CoV-2 pandemic: Rapid review and evidence synthesis
Disease waves of SARS-CoV-2 in Iran closely mirror global pandemic trends
Google Trends as a predictive tool for COVID-19 vaccinations in Italy: a retrospective infodemiological analysis.
Genome, proteome, and immunome data explain why 6 month controlled human malaria infection with sporozoites of the Pf7G8 clone of Plasmodium falciparum is a rigorous predictor of the efficacy of the PfNF54-based PfSPZ Vaccine in Africa
Reliability of multi-modal MRI-derived brain phenotypes for multi-site assessment of neuropsychiatric complications of SARS-CoV-2 infection