Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Harmony COVID-19: a ready-to-use kit, low-cost detector, and smartphone app for point-of-care SARS-CoV-2 RNA detection
Effectiveness of a SARS-CoV-2 mRNA vaccine booster dose for prevention of infection, hospitalization or death in two nation-wide nursing home systems
Consent is a confounding factor in a prospective observational study of critically ill elderly patients
Multi-ancestry gene-trait connection landscape using electronic health record (EHR) linked biobank data
A randomized controlled trial of a video intervention shows evidence of increasing COVID-19 vaccination intention
Mentalizing abilities mediate the impact of the low-level social cognitive processes on negative symptoms.
Genomic epidemiology and longitudinal sampling of ward wastewater environments and patients reveals complexity of the transmission dynamics of blaKPC-carbapenemase-producing Enterobacterales in a hospital setting
Image- vs. histogram-based considerations in semantic segmentation of pulmonary hyperpolarized gas images
The course of COVID-19 in patients with chronic spontaneous urticaria receiving omalizumab treatment
Technological advances in elite marathon performance
Population Estimates of People with Spina Bifida in the United States in 2020
A multilevel approach to individual and organizational predictors of stress and fatigue among healthcare workers of a university hospital: A longitudinal study
Increased risk of cognitive impairment and hyperglycemia-related mortality in late middle-aged African Americans with low serum adropin levels
Gut microbiome diversity measures for metabolic conditions: a systematic scoping review
Optimal test-assisted quarantine strategies for COVID-19
The Relationship Between Food Security and Dietary Patterns Status with COVID-19 in Northeastern Iran: Protocol for a Case-Control Study
Effectiveness of BNT162b2 and mRNA-1273 COVID-19 vaccines against symptomatic SARS-CoV-2 infection and severe COVID-19 outcomes in Ontario, Canada: a test-negative design study
Assessing the impact of community-based interventions on hypertension and diabetes management in three Minnesota communities: findings from the prospective evaluation of US HealthRise programs
Optimal SARS-CoV-2 vaccine allocation using real-time seroprevalence estimates in Rhode Island and Massachusetts
Disulfiram associated with lower risk of Covid-19: a retrospective cohort study
Worldwide clustering and infection cycles as universal features of multiscale stochastic processes in the SARS-CoV-2 pandemic
Public attitudes to COVID-19 vaccines: A qualitative study
Electronic cigarette communications between patients and physicians in the United States
One size does not fit all: Single-subject analyses reveal substantial individual variation in electroencephalography (EEG) characteristics of antidepressant treatment response
A Mathematical Model for Stability Analysis of Covid like Epidemic/Endemic/Pandemic
Using a transection paradigm to enhance the repair mechanisms of an investigational human cell therapy