Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Echinacea purpurea for the Long-term Prevention of Viral Respiratory Tract Infections during COVID-19 Pandemic: A Randomized, Open, Controlled, Exploratory Clinical Study
COVIDFast: A high-throughput and RNA extraction-free method for SARS-CoV-2 detection in swab (SwabFAST) or saliva (SalivaFAST)
Toward a geography of community health workers in Niger: a geospatial analysis
The impact of heating, ventilation, and air conditioning design features on the transmission of viruses, including the 2019 novel coronavirus: a systematic review of ventilation and coronavirus
Statin intolerance - Prevalence and practical management in a specialized lipid clinic
An umbrella review and meta-analysis of the use of renin-angiotensin system drugs and COVID-19 outcomes: what do we know so far?
Adapted "Break The Cycle for Avant Garde" Intervention to Reduce Injection Assisting and Promoting Behaviours in People Who Inject Drugs in Tallinn, Estonia: A Pre- Post Trial.
Network analysis shows decreased ipsilesional structural connectivity in glioma patients
COVID-19 relevant genetic variants confirmed in an admixed population
Diurnal brain temperature rhythms and mortality after brain injury: a prospective and retrospective cohort study
COVID-19 Vaccination and Healthcare Demand
Rates and predictors of uptake of formal and informal mental health support during the COVID-19 pandemic: an analysis of 26,740 adults in the UK in lockdown
Multiple drug arrests reported to the Maine Diversion Alert Program more frequently involved carisoprodol, amitriptyline, or quetiapine
Adherence to the PRISMA statement and risk of bias assessment in Systematic Reviews in rehabilitation journals: a protocol for a meta-research study
Stability of the stroke code during the COVID-19 pandemic in the region of Madrid: a retrospective cohort study
Comparing SARS-CoV-2 case rates between pupils, teachers and the general population: results from Ger-many
Speech and language impairments in behavioral variant frontotemporal dementia: A systematic review
The effect of Arbidol Hydrochloride on reducing mortality of Covid-19 patients: a retrospective study of real world date from three hospitals in Wuhan
The Case for Altruism in Institutional Diagnostic Testing
Association between Maternal Depression during Pregnancy and Newborn DNA Methylation
Improving prediction of amyloid deposition in Mild Cognitive Impairment with a timed motor task
Genome-wide analysis of 102,084 migraine cases identifies 123 risk loci and subtype-specific risk alleles
Analysis of the metabolic syndrome and its association with cART in HIV positive individuals receiving various cART regimens with review of literature.
Tracking SARS-CoV-2 in rivers as a tool for epidemiological surveillance
Discovery of cardiac imaging biomarkers by training neural network models across diagnostic modalities
Associations between governor political affiliation and COVID-19 cases, deaths, and testing in the United States