Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Oral and gut microbiome biomarkers of susceptibility to respiratory tract infection in adults: a longitudinal cohort feasibility study
Public Awareness of Mask Usage in 29 Countries
Safety, Immunologic Effects and Clinical Response in a Phase I Trial of Umbilical Cord Mesenchymal Stromal Cells in Patients with Treatment Refractory Systemic Lupus Erythematosus
Safety and immunogenicity of BNT162b2 mRNA COVID-19 vaccine in Japanese patients after allogeneic stem cell transplantation.
Emergence and spread of a SARS-CoV-2 variant through Europe in the summer of 2020
Professionals' views on the mental health problems and vulnerability of children and young people during the early phase of the COVID-19 pandemic
Can process mapping and a multi-site Delphi of perioperative professionals inform our understanding of system-wide factors that may impact operative risk?
Serological profiles of pan-coronavirus-specific responses in COVID-19 patients using a multiplexed electro-chemiluminescence-based testing platform
Higher education responses to COVID-19 in the United States: Evidence for the impacts of university policy
Clinical Evidence for Improved Outcomes with Histamine Antagonists and Aspirin in 22,560 COVID-19 Patients
A human-interpretable machine learning approach to predict mortality in severe mental illness
A Machine Learning Approach to Predict 5-year Risk for Complications in Type 1 Diabetes
A Propensity-Matched Nested Case-Control Study of Acute Coronary Syndrome Patients Genotyped for CYP2C19
Poor in-utero growth, and reduced beta cell compensation and high fasting glucose from childhood, are harbingers of glucose intolerance in young Indians
SENSITIVITY ANALYSIS OF A TUBERCULOSIS (TB) MATHEMATICAL MODEL
Variation in hospital cost trajectories at the end of life by age, multimorbidity and cancer type
IFNL4 genetic variant can predispose to COVID-19
The Generalizability of Clinical Prediction Models for Patients with Acute Coronary Syndromes: Results from Independent External Validations
Detection of mosaic chromosomal alterations in children with severe developmental disorders recruited to the DDD study
Incretin hypersecretion in gestational diabetes mellitus
Novel biomarkers of habitual alcohol intake and associations with risk of pancreatic and liver cancers and liver disease mortality
Unexplained longitudinal variability in COVID-19 antibody status by Lateral Flow Immuno-Antibody testing
Stakeholders' views on an institutional dashboard with metrics for responsible research
Effectiveness of COVID-19 Vaccines and Post-vaccination SARS-COV 2 Infection, Hospitalization, and Mortality: a Systematic Review and Meta-analysis of Observational Studies
SARS-CoV-2 Antigen Tests Predict Infectivity Based on Viral Culture: Comparison of Antigen, PCR Viral Load, and Viral Culture Testing on a Large Sample Cohort
A longitudinal resource for studying connectome development and its psychiatric associations during childhood