Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Analysis of 6.4 million SARS-CoV-2 genomes identifies mutations associated with fitness
Protection conferred by vaccine plus previous infection (hybrid immunity) with vaccines of three different platforms during the Omicron variant period in Brazil
Evaluation of the performance of SARS-CoV-2 antibody assays for the longitudinal population-based study of COVID-19 spread in St. Petersburg, Russia
Vaccine effectiveness of BNT162b2 against Omicron and Delta outcomes in adolescents
Has the implementation of time-based-targets for emergency department length-of-stay influenced the quality of care for patients? A systematic review of qualitative literature
A third dose of inactivated vaccine augments the potency, breadth, and duration of anamnestic responses against SARS-CoV-2
Hypothesis-free detection of gene-interaction effects on biomarker concentration in UK Biobank using variance prioritisation
Artificial Intelligence System Reduces False-Positive Findings in the Interpretation of Breast Ultrasound Exams
Sex and gender differences in COVID testing, hospital admission, presentation, and drivers of severe outcomes in the DC/Maryland region
Scaling SARS-CoV-2 Wastewater Concentrations to Population Estimates of Infection
Aggregative trans-eQTL analysis detects trait-specific target gene sets in whole blood
The impact of post-traumatic stress disorder in pharmacological intervention outcomes for adults with bipolar disorder: a protocol for a systematic review and meta-analysis.
A Novel Smart City Based Framework on Perspectives for application of Machine Learning in combatting COVID-19
Silica-encapsulated DNA tracers for measuring aerosol distribution dynamics in real-world settings
Using Adversarial Images to Assess the Stability of Deep Learning Models Trained on Diagnostic Images in Oncology
Humoral and cellular responses to mRNA vaccines against SARS-CoV2 in patients with a history of CD20-B-cell depleting therapy
An Objective Search for Unrecognized Bias in Validated COVID-19 Prediction Models
A RANDOMIZED CLINICAL TRIAL OF 2-WEEK METHOTREXATE DISCONTINUATION IN RHEUMATOID ARTHRITIS PATIENTS VACCINATED WITH INACTIVATED SARS-COV-2 VACCINE
Clinical and haematological profile of dengue among adult patients at a tertiary care hospital in Pokhara
Is Human Bocavirus Infection Associated with Gastroenteritis in Children? An Updated Systematic Review and Meta-analysis
COVID-19 RT-PCR diagnostic assay sensitivity and SARS-CoV-2 transmission: A missing link?
COVID-19 vaccine effectiveness against SARS-CoV-2 infection in the United States prior to the Delta and Omicron-associated surges: a retrospective cohort study of repeat blood donors
Place, cause and expectedness of death and relationship to the deceased are associated with poorer experiences of end-of-life care and challenges in early bereavement: Risk factors from an online survey of people bereaved during the COVID-19 pandemic
The Role of CRP, Interleukin-6 and Their Derived Immune-Inflammatory Indices in Early Prediction of Severity and Mortality of COVID-19 Patients
Expansion of 5' UTR CGG repeat in RILPL1 is associated with oculopharyngodistal myopathy
In vivo myelin imaging and tissue microstructure in white matter hyperintensities and perilesional white matter