Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Trends, regional variation, and clinical characteristics of COVID-19 vaccine recipients: a retrospective cohort study in 23.4 million patients using OpenSAFELY.
Effect of vaccination on transmission of COVID-19: an observational study in healthcare workers and their households
High sensitivity of a novel rapid test for the diagnosis of clinical and subclinical Plasmodium falciparum infections in a high transmission setting in Burundi
Empirical networks for localized COVID-19 interventions using WiFi infrastructure at university campuses
SARS-CoV-2 IgG detection in human oral fluids
LifeSim: A Lifecourse Dynamic Microsimulation Model of the Millennium Birth Cohort in England
Psychological resilience, coping behaviours, and social support among healthcare workers during the COVID-19 pandemic: A systematic review of quantitative studies
The mortality risk factor of severe community-acquired pneumonia (SCAP) patients with Sepsis: a retrospective study
Quantifying representativeness in randomized clinical trials using machine learning fairness metrics
Outcomes and phenotypic expression of rare variants in hypertrophic cardiomyopathy genes amongst UK Biobank participants
Anti-inflammatory therapy with nebulised dornase alfa in patients with severe COVID-19 pneumonia. A Randomised Clinical Trial.
Community ECHO (Extension for Community Healthcare Outcomes) Project Promotes Cross-Sector Collaboration and Evidence-Based Trauma-Informed Care
COVID-19 infections in day care centres in Germany: Social and organizational determinants of infections in children and staff in the second and third wave of the pandemic
Pharmacometabolomics Identifies Candidate Predictor Metabolites of an L-carnitine Treatment Mortality Benefit in Septic Shock
T Cell Positive B Cell Negative Flow Cytometry Crossmatch (FCXM): Frequency, HLA-Locus Specificity, and Mechanisms Among 3073 Clinical FCXM Tests
Cross-sectional study of the association between perceived organizational support and COVID-19 vaccine intention
Adaptive vaccination may be needed to eliminate COVID-19: Results from a runtime-alterable strain-drift and waning-immunity model
Differential excretion of urinary complement fragments in kidney diseases: a potential link to complement activation?
A validated hypoxia-inducible factor (HIF) signature across tissue compartments predicts clinical outcome in human lung fibrosis
A RANDOMIZED CLINICAL TRIAL OF 2-WEEK METHOTREXATE DISCONTINUATION IN RHEUMATOID ARTHRITIS PATIENTS VACCINATED WITH INACTIVATED SARS-COV-2 VACCINE
Mapping the human genetic architecture of COVID-19: an update
COVID-19 vaccine coverage among immigrants and refugees in Alberta: a population-based cross-sectional study
Precision recruitment for high-risk participants in a COVID-19 research study
Engineered RNA biosensors enable ultrasensitive SARS-CoV-2 detection in a simple color and luminescence assay
Capturing additional genetic risk from family history for improved polygenic risk prediction
Identifying variation in GP referral rates: an observational study of outpatient headache referrals.