Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Use of U.S. Blood Donors for National Serosurveillance of SARS-CoV-2 Antibodies: Basis for an Expanded National Donor Serosurveillance Program.
Risk of death among teachers in England and Wales during the Covid19 pandemic
Evaluation of a Rapid Implementation of Telemedicine for Delivery of Obstetric Care During the COVID-19 Pandemic
Data Driven Exploration of Network Connectivity in task-fMRI of Focal Hand Dystonia
No safe level of alcohol consumption for brain health: observational cohort study of 25,378 UK Biobank participants
Transmission of SARS-CoV-2 associated with cruise ship travel: protocol for a systematic review (Version 1)
Seroconversion rate after primary vaccination with two doses of BNT162b2 versus mRNA-1273 in solid organ transplant recipients: a systematic review and meta-analysis
Association of the Transthyretin Variant V122I With Polyneuropathy Among Individuals of African Descent
Robotic-Assisted Gait for lower-limb Rehabilitation: Evidence of Altered Neural Mechanisms in Stroke
Risk Score Stratification of Alzheimer's Disease and Mild Cognitive Impairment using Deep Learning
Use of the FebriDx point-of-care assay as part of a triage algorithm for medical admissions with possible COVID-19
COVIDFast: A high-throughput and RNA extraction-free method for SARS-CoV-2 detection in swab (SwabFAST) or saliva (SalivaFAST)
Reduced serum neutralization capacity against SARS-CoV-2 variants in a multiplex ACE2 RBD competition assay
Can the Rapid Antigen Test for COVID-19 Replace RT-PCR: A Meta-analysis of Test Agreement
Using Blood-Test Parameters to Define Biological Age among Older Adults: Association with Morbidity and Mortality Independent of Chronological Age Validated in Two Separate Birth Cohorts
How do Hemodialysis Center Prevent the Secondary COVID-19 Transmission in Poverty-Stricken Rural Region of China: Eperiences and Strategies
Radiological follow-up of adults hospitalised with pneumonia and SARS-CoV-2 infection, in Bristol UK, during the COVID19 pandemic
Immunological Cross-Reactivity to Dengue Virus among Persons with Neuroinvasive West Nile Virus Infection
Interpretable Brain Disease Classification and Relevance-Guided Deep Learning
Structural disconnectome mapping of cognitive function in chronic stroke patients
A randomized controlled trial of a video intervention shows evidence of increasing COVID-19 vaccination intention
Reduced Incidence of Long-COVID Symptoms Related to Administration of COVID-19 Vaccines Both Before COVID-19 Diagnosis and Up to 12 Weeks After
Risk of Ocular Adverse Events with Taxane Based Chemotherapy
Diagnostic Model of in-Hospital Mortality in Patients with Acute ST-Segment Elevation Myocardial Infarction Used Artificial Intelligence Methods : Algorithm Development and Validation
Modeling the COVID-19 Vaccination Dynamics in the United States: An Estimation of Coverage Velocity and Carrying Capacity Based on Socio-demographic Vulnerability Indices in California
Both COVID-19 infection and vaccination induce high-affinity cross-clade responses to SARS-CoV-2 variants