Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Genomic reconstruction of the SARS-CoV-2 epidemic in England
A structured model for COVID-19 spread: modelling age and healthcare inequities
Genetic variation of IFNL4 is associated with COVID-19
Long-lasting cellular immunity to SARS-CoV-2 following infection or vaccination and implications for booster strategies
SARS-CoV-2 lineage dynamics in England from January to March 2021 inferred from representative community samples
COVID-19 Neutralizing Antibody Surveillance Testing for Fully Vaccinated Individuals During Delta Variant Spread
Cardiovascular disease biomarkers derived from circulating cell-free DNA methylation
Novel Mutations in Human Luteinizing Hormone Beta Subunit Related to Polycystic Ovary Syndrome among Sudanese Women
Impact of vaccination on SARS-CoV-2 cases in the community: a population-based study using the UK COVID-19 Infection Survey
Socially stratified DNA-methylation profiles are associated with disparities in child and adolescent mental health
Proxalutamide (GT0918) Improves Lung Injury in Hospitalized COVID-19 Patients - an Analysis of the Radiological Findings of the Proxa-Rescue AndroCoV Trial
Rapid Clinical Screening and Staging for COVID-19 Severe Outcome - A Hospitalization Study in New York City
Evaluation of patient-specific cell free DNA assays for monitoring of minimal residual disease in solid tumors
Variability in physical inactivity responses of university students during COVID-19 pandemic: A monitoring of daily step counts using a smartphone application
Proxalutamide (GT0918) Reduction of Mortality Rate in Hospitalized COVID-19 Patients Depends on Treatment Duration - an Exploratory Analysis of the Proxa-Rescue AndroCoV Trial
Deep Learning-Aided Diagnosis of Autoimmune Blistering Diseases
Dynamic changes in human single cell transcriptional signatures during fatal sepsis
Cross-border transmissions of delta substrain AY.29 during Olympic and Paralympic Games
School and community reopening during the COVID-19 pandemic: a mathematical modeling study
Industry and workplace characteristics associated with the use of a COVID-19 contact tracing app in Japan: a nation-wide employee survey
Connecting Artificial Intelligence and Primary Care Challenges: Findings from a Multi-Stakeholder Collaborative Consultation
Understanding COVID-19 trajectories from a nationwide linked electronic health record cohort of 56 million people: phenotypes, severity, waves & vaccination
Mono- and bi-allelic effects of coding variants on disease in 176,899 Finns
SARS-CoV-2 Antibody Response in Patients Undergoing Kidney Transplantation
Rapid vaccination and early reactive partial lockdown will minimize deaths from emerging highly contagious SARS-CoV-2 variants
SARS-CoV-2 Vaccine Induced Atypical Immune Responses in Antibody Defects: everybody does their best