Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: The Impact of Sampling Type, Frequency and Scale of Collection System on SARS-CoV-2 Quantification Fidelity
Wastewater-based epidemiology for tracking COVID-19 trend and variants of concern in Ohio, United States
Efficacy and Safety of Ayurveda Intervention AYUSH 64 as add-on therapy for patients with COVID 19 infections: An open labelled, Parallel Group, Randomized controlled clinical trial
Comparison of children and young people admitted with SARS-CoV-2 across the UK in the first and second pandemic waves: prospective multicentre observational cohort study
Rapid initiation of nasal saline irrigation to reduce morbidity and mortality in COVID+ outpatients: a randomized clinical trial compared to a national dataset
Cohort Profile: The Birhan Health and Demographic Surveillance System
Integrated radiogenomics models predict response to neoadjuvant chemotherapy in high grade serous ovarian cancer
Post-stroke reorganization of transient brain activity characterizes deficits and recovery of cognitive functions
Establishing consensus on emergency department interventions that could be conducted in sub-acute care settings for non-emergent paramedic transported visits: A RAND/UCLA modified Delphi study
Kinematic analysis of upper body movements in adolescent with mild idiopathic scoliosis: a preliminary study
Quantifying the dynamics of COVID-19 burden and impact of interventions in Java, Indonesia
PCSK6 and Survival in Idiopathic Pulmonary Fibrosis
Age-Specific Changes in Virulence Associated with SARS-CoV-2 Variants of Concern
Association of left atrial structure and function with cognitive function among adults with metabolic syndrome
A highly efficient T-cell immunoassay provides assessment of B cell help function of SARS-CoV-2 specific memory CD4+ T cells
COVID-19 epidemic scenarios into 2021 based on observed key superdispersion events
How to incentivise doctor attendance in Bangladesh: a latent class analysis of a discrete choice experiment
Human liver organoid derived intra-hepatic bile duct cells support SARS-CoV-2 infection and replication and its comparison with SARS-CoV
Are We There Yet? Big Data Significantly Overestimates COVID-19 Vaccination in the US
The retirement-health puzzle: Breathe a sigh of relief at retirement?
A Mathematical Model of Platelet Antiparasitic Action in Erythrocytes and Merozoites During Malaria Infection
Real-time SARS-CoV-2 diagnostic and variants tracking over multiple candidates using nanopore DNA sequencing
Impact of long-term care facility size on preparedness and adherence to infection prevention and control guidance for the mitigation of COVID-19
Underlying cardiovascular risk and major adverse cardiovascular events after acute respiratory infection: a population-based cohort study of over 4.2 million individuals in England, 2008-2018
Implementing semantic interoperability of gene expression profiles using the HL7 FHIR standard
Emergence of a new SARS-CoV-2 variant from GR clade with a novel S glycoprotein mutation V1230L in West Bengal, India