Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Comprehensive Evaluation of COVID-19 Patient Short- and Long-term Outcomes: Disparities in Healthcare Utilization and Post-Hospitalization Outcomes
The lost microbes of COVID-19: Bifidobacterium, Faecalibacterium depletion and decreased microbiome diversity associated with SARS-CoV-2 infection severity
Impact on Mental Health of students due to restriction caused by COVID-19 pandemic: Cross-sectional study
Possible future waves of SARS-CoV-2 infection generated by variants of concern with a range of characteristics
Identifying variation in GP referral rates: an observational study of outpatient headache referrals.
"The vaccination is positive; I don't think it's the panacea": A qualitative study on COVID-19 vaccine attitudes among ethnically diverse healthcare workers in the United Kingdom
Emergence of SARS-CoV-2 stains harbouring the signature mutations of both A2a and A3 clade
AKI Risk Score (AKI-RiSc): Developing an Interpretable Clinical Score for Early Identification of Acute Kidney Injury for Patients Presenting to the Emergency Department
Explaining ethnicity disparities in COVID-19 mortality: population-based, prospective cohort study
Quantifying the impact of association of environmental mixture in a type 1 and type 2 error balanced framework
Autoantibodies linked to autoimmune diseases associate with COVID-19 outcomes
Cardiovascular Signatures of COVID-19 Predict Mortality and Identify Barrier Stabilizing Therapies
Predicting Clinical Endpoints and Visual Changes with Quality-Weighted Tissue-based Histological Features
Novel MAPK/AKT-impairing germline NRAS variant identified in a melanoma-prone family
Comparing SARS-CoV-2 case rates between pupils, teachers and the general population: results from Ger-many
PDGRFA-mutant gastrointestinal stromal tumours (GISTs) in Eastern England: clinicopathological features and outcomes of 50 patients diagnosed between 2008-2021
Correlation of Suspected COVID-19 Symptoms with COVID-19 Positivity in Children
Multi-ethnic polygenic risk modifies the association between APOL1 high risk genotypes and chronic kidney disease
Reasons underlying the intention to vaccinate children aged 5-11 against COVID-19: A cross-sectional study of parents in Israel, November 2021
Association of COVID-19 vaccines ChAdOx1 and BNT162b2 with major venous, arterial, and thrombocytopenic events: whole population cohort study in 46 million adults in England
Assessing our capability to predict the presence of respiratory diseases at the age of four using data available at one month of age
Pathogenesis of Alzheimer's disease: Involvement of the Choroid Plexus
Cerebello-thalamic activity drives an abnormal motor network into dystonic tremor
Attitudes to health promotion among teaching staff in South West England: a qualitative study
Recalibrating SARS-CoV-2 antigen rapid lateral flow test relative sensitivity from validation studies to absolute sensitivity for detecting individuals with live virus
Deep Learning Model for Mortality Prediction of ICU Patients with Paralytic Ileus