Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Improved performance of saliva for the detection of the B.1.351 variant in South Africa
The Impact of New SARS-CoV-2 Variants on Vaccine Breakthrough: a pilot study on spreading infection in the communities
Multi-ancestry Multivariate Genome-Wide Analysis Highlights the Role of Common Genetic Variation in Cardiac Structure, Function, and Heart Failure-related Traits
EFCAB4B (CRACR2A) genetic variants associated with COVID-19 fatality
Importation Risk Stratification for COVID19 using Quantitative Serology
Prioritizing interventions for preventing COVID-19 outbreaks in military basic training
Refined characterization of circulating tumor DNA through biological feature integration
Manual curation of TCGA treatment data and identification of potential markers of therapy response.
Understanding how Victoria, Australia gained control of its second COVID-19 wave
Evaluation of Urine SARS-COV-2 RT-PCR as a predictor of Acute Kidney Injury and disease severity in critical COVID-19 patients
COVID-19 Prevention Beliefs and Practices in College Students
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery, a comprehensive systematic review and meta-analysis of 12 011 447 individuals
Evaluating clinical acceptability of organ-at-risk segmentation In head & neck cancer using a compendium of open-source 3D convolutional neural networks
Age-dependent heterogeneity of lymph node metastases and survival: A population-based study.
Seroconversion rates following COVID-19 vaccination amongst patients with malignant disease- the impact of diagnosis and cancer-directed therapies
Social mixing patterns relevant to infectious diseases spread by close contact in urban Blantyre, Malawi.
City-wide school-located influenza vaccination: a retrospective cohort study
Histone H3 lysine 27 acetylation profile undergoes two global shifts in undernourished children and suggests one-carbon metabolite insufficiency
Association between work attendance when experiencing fever or cold symptoms and company characteristics and socioeconomic status in the COVID-19 pandemic in Japanese workers: a cross-sectional study
Informal Sector Employment and the Health Outcomes of Older Workers in India
Clumpiness: Modeling the Impact of Social Dynamics on COVID-19 Spread
Trajectories of Clinical and Laboratory Characteristics Associated with COVID-19 in Hemodialysis Patients by Survival
A Predictive Modelling Framework for COVID-19 Transmission to Inform the Management of Mass Events
Genome-wide cell-free DNA termini in patients with cancer.
Willingness to volunteer of medical students during the COVID-19 pandemic: Assessment at a tertiary care hospital in India
An Accurate and Explainable Deep Learning System Improves Interobserver Agreement in the Interpretation of Chest Radiograph