Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Ethnic differences in COVID-19 mortality in the second and third waves of the pandemic in England during the vaccine roll-out: a retrospective, population-based cohort study
Epidemiological and microbiological investigation of the large increase of vibriosis in northern Europe in 2018
Facial basal cell carcinoma: a clinicopathological analysis of incomplete excision
Adverse Outcomes in Pulmonary Tuberculosis patients on Retreatment Regimen: Evaluation of Pharmacokinetic Estimates as Risk Indicators
The Knowledge and Attitude of Physicians Regarding Vaccinations in Yerevan, Armenia: Challenges for COVID-19
Quantitative longitudinal natural history of eight gangliosidoses - conceptual framework and baseline data of the German 8-in-1 disease registry. A cross-sectional analysis.
Antigen-experienced CXCR5- CD19low B cells are plasmablast precursors expanded in SLE
The role of educational settings in the transmission chain of SARS-CoV-2 in 2020: a systematic review
The roadmap for implementing value based healthcare in European university hospitals - consensus report and recommendations
Transmission of SARS-CoV-2 Lineage B.1.1.7 in England: Insights from linking epidemiological and genetic data
COVID-19 vaccination beliefs, attitudes, and behaviours among health and social care workers in the UK: a mixed-methods study
Triangulating Causality Between Childhood Obesity and Neurobehavior: Twin and Longitudinal Evidence
Suicidal Ideation in Dementia: Associations with Neuropsychiatric Symptoms and Subtype Diagnosis
Cue-Induced Craving and Negative Emotion Disrupt Response Inhibition in Methamphetamine Use Disorder: Behavioral and fMRI Results from a Mixed Go/No-Go Task
Differential Effects of Pathological Beta Burst Dynamics Between Parkinson's Disease Phenotypes Across Different Movements
Effects of THAM Nasal Alkalinization on Airway Microbial Communities: A Pilot Study
Cost-effectiveness of vitamin D3 supplementation in older adults with vitamin D deficiency in Ireland
Performance of three molecular tests for SARS-CoV-2 on a university campus estimated jointly with Bayesian latent class modeling
Hydroxychloroquine/Chloroquine for the Treatment of Hospitalized Patients with COVID-19: An Individual Participant Data Meta-Analysis
Modelling the epidemic growth of preprints on COVID-19 and SARS-CoV-2
Polygenic risk for immuno-metabolic markers and specific depressive symptoms: A multi-sample network analysis study
Enterovirus D68 epidemic, UK, 2018, was caused by subclades B3 and D1, predominantly in children and adults respectively, with both subclades exhibiting extensive genetic diversity
Megakaryocytes are a Novel SARS-CoV-2 Infection Target and Risk Factor for Mortality and Multi-Organ Failure
Heart Rate Variability in Patients with Cirrhosis: A Systematic Review and Meta-analysis
Qualitatively distinct modes of Sputnik V vaccine-neutralization escape by SARS-CoV-2 Spike variants
Polygenic heterogeneity across obsessive-compulsive disorder subgroups defined by a comorbid diagnosis