Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: GRADING prognostic factors for severe and recurrent Clostridioides difficile infection: expected and unexpected findings. A systematic review.
Modelling the population-level protection conferred by COVID-19 vaccination
Test negative designs with uncertainty, sensitivity, and specificity
Mood stabilizer: a concept analysis and operationalization of a model
Identification of Global DNA Methylation Signatures in Patients of High Altitude Induced Venous Thrombo-Embolism (HA-VTE)
Risk factors for intensive care admission and death amongst children and young people admitted to hospital with COVID-19 and PIMS-TS in England during the first pandemic year
A randomized controlled trial of a video intervention shows evidence of increasing COVID-19 vaccination intention
Genomic answers for children: Dynamic analyses of >1000 pediatric rare disease genomes
Descriptive epidemiology of cardiorespiratory fitness in UK adults: The Fenland Study.
A fructo-oligosaccharide prebiotic is well-tolerated in adults undergoing allogeneic hematopoietic stem cell transplantation: a phase I dose-escalation trial
Mendelian randomization analyses show that higher acetyl-carnitine and carnitine levels in blood protect against severe Covid19
Inactivated Poliovirus Vaccine Induces Antibodies that Inhibit RNA Synthesis of SARS-CoV-2: An open-label, pre-post vaccine clinical trial
Accessibility of Canadian COVID-19 Testing Locations for People with Disabilities During the Third Wave of the COVID-19 Pandemic
Short Report: A National E-Cohort Study of Incidence and Prevalence of Autism
Whole-exome sequencing of the mummified remains of Cangrande della Scala (1291-1329 CE) indicates the first known case of late-onset Pompe disease
ASSESSING VACCINATION STRATEGIES FOR THE COVID-19 EPIDEMIC IN MINAS GERAIS (BRAZIL)
Deep Learning for Predicting Cognitive Gap as a Reliable Biomarker of Dementia
Thyroid function and risk of anemia: a multivariable-adjusted and Mendelian Randomization analysis in the UK Biobank
Oral, similar to intranasal, administration of oxytocin decreases top-down social attention, but additionally enhances bottom-up control
Decreased tissue stiffness in glioblastoma by MR Elastography is associated with increased cerebral blood flow
COVID-19 vaccine effectiveness against SARS-CoV-2 infection in the United States prior to the Delta and Omicron-associated surges: a retrospective cohort study of repeat blood donors
Using kinematics to re-define the pull test as a quantitative biomarker of the postural response
Factors Associated with Food Insecurity among Pregnant Women in Gedeo Zone Public Hospitals, Southern Ethiopia
Transmission of SARS-CoV-2 in Norwegian schools: A population-wide register-based cohort study on characteristics of the index case and secondary attack rates
Multiplex Fragment Analysis Identifies SARS-CoV-2 Variants
Lipoprotein and metabolite associations to breast cancer risk in the HUNT2 study