Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Parasite species regulates T cell activation in human malaria
Genetically predicted serum vitamin D and COVID-19: a Mendelian randomization study
Modelling infectious disease transmission potential as a function of human behaviour
Effect of intravesical chemotherapy on the survival of patients with non-muscle-invasive bladder cancer undergoing transurethral resection: a retrospective cohort study among older adults
A rapid, cost efficient and simple method to identify current SARS-CoV-2 variants of concern by Sanger sequencing part of the spike protein gene
Data-driven research on eczema: systematic characterization of the field and recommendations for the future
Risk Factors for Delirium in Elderly Patients After Lumbar Spinal Fusion
Melodic Intonation Therapy for aphasia: A multi-level meta-analysis
WikiProject Clinical Trials for Wikidata
Unified classification and risk-stratification in Acute Myeloid Leukemia
Its allowed us access to the outside world: A Qualitative Study of Lifespan Supported Mobility Device Use in Cerebral Palsy
Increased visual and cognitive demands emphasize the importance of meeting visual needs at all distances while driving
Prevalence, awareness, treatment, and control of hypertension in Bangladesh: Findings from National Demographic and Health Survey, 2017-18
Short-term antibody response and tolerability of one dose of BNT162b2 vaccine in patients receiving hemodialysis
Appropriate management of steroids and discharge planning during and after hospital admission for moderate-severe ulcerative colitis
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
Pride and adversity among nurses and physicians during the pandemic in two US healthcare systems: a mixed methods analysis
An early assessment of the epidemiological effects of SARS-CoV-2 variants of concern in Germany
Multireader Evaluation of Radiologist Performance for COVID-19 Detection on Emergency Department Chest Radiographs
Estimating treatment effect for individuals with progressive multiple sclerosis using deep learning
Nationwide rollout reveals efficacy of epidemic control through digital contact tracing
Covasim: an agent-based model of COVID-19 dynamics and interventions
Bayesian forecasting for intravenous tobramycin dosing in adults with Cystic Fibrosis using one versus two serum concentrations in a dosing interval
Diagnostic accuracy of rapid point-of-care tests for diagnosis of current SARS-CoV-2 infections in children: A systematic review and meta-analysis
Illness duration and symptom profile in a large cohort of symptomatic UK school-aged children tested for SARS-CoV-2
SEPRES: Sepsis prediction via a clinical data integration system and real-world studies in the intensive care unit