Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: The detection and stability of the SARS-CoV-2 RNA biomarkers in wastewater influent in Helsinki, Finland
Change in age distribution of COVID-19 deaths with the introduction of COVID-19 vaccination
Wastewater to clinical case (WC) ratio of COVID-19 identifies insufficient clinical testing, onset of new variants of concern and population immunity in urban communities
Salivary detection of COVID-19. Clinical performance of oral sponge sampling for SARS-CoV-2 testing
Testing and isolation to prevent overloaded health care facilities and to reduce death rates in the SARS-CoV-2 pandemic in Italy
Emulation of a target trial from observational data to compare effectiveness of Casirivimab/Imdevimab and Bamlanivimab/Etesevimab for early treatment of non-hospitalized patients with COVID-19
Ultra Deep Sequencing Reveals the Mutational Landscape of Classical Hodgkin Lymphoma
Increasing Trust in Real-World Evidence Through Evaluation of Observational Data Quality
A functional TGFB1 polymorphism in the donor associates with long-term graft survival after kidney transplantation.
Impact of multiple sclerosis disease-modifying therapies on SARS-CoV-2 vaccine-induced antibody and T cell immunity
Application of concise machine learning to construct accurate and interpretable EHR computable phenotypes
Quantifying contribution of Lipoprotein (a) to atherogenic lipoprotein burden: a novel particle-based approach
Factors associated with transmission in COVID-19 outbreaks in long-term care facilities
Robust methylation-based classification of brain tumors using nanopore sequencing
Strategic Treatment Optimization for HCV (STOPHCV1): a randomised controlled trial of ultrashort duration therapy for chronic hepatitis C
Socioeconomic Disparities in the Effects of Pollution on Spread of Covid-19: Evidence from US Counties
Research themes of family and community physicians in Brazil
Predictors of poor outcome in patients diagnosed with drug-resistant tuberculosis in the Torres Strait / Papua New Guinea border region
Exome sequencing of 628,388 individuals identifies common and rare variant associations with clonal hematopoiesis phenotypes
Axes of Prognosis: Identifying Subtypes of COVID-19 Outcomes
Emergence of universality in the transmission dynamics of COVID-19
Direct Comparison of SARS Co-V-2 Nasal RT- PCR and Rapid Antigen Test (BinaxNOWTM) at a Community Testing Site During an Omicron Surge
Intensity of COVID-19 in care homes following Hospital Discharge in the early stages of the UK epidemic
Characteristics of Patients Referred to a Cardiovascular Disease Clinic for Post-Acute Sequelae of SARS-CoV-2 Infection
Feasibility and utility of rapid antigen testing for COVID-19 in a university residence: a cross sectional study
Effects of myopia and glaucoma in the prelaminar neural canal and anterior lamina cribrosa using 1060-nm swept-source OCT