Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Evaluation of a throat spray with lactobacilli in COVID-19 outpatients in a randomized, double-blind, placebo-controlled trial for symptom and viral load reduction
Development and evaluation of rapid data-enabled access to routine clinical information to enhance early recruitment to the national clinical platform trial of COVID-19 community treatments
Class 1 integrons in clinical and swine industry isolates of Salmonella Typhimurium from Colombia, dating 1997 to 2017
Novel approach to diagnosis of His bundle capture using individualized left ventricular lateral wall activation time as reference
Fitness barriers to spread of colistin-resistant Klebsiella pneumoniae overcome by establishing niche in patient population with elevated colistin use
The common H202D variant in GDF-15 does not affect its bioactivity but can significantly interfere with measurement of its circulating levels
Optimal control of the spatial allocation of COVID-19 vaccines: Italy as a case study
Risk Stratification tool for Healthcare workers during the CoViD-19 Pandemic; using published data on demographics, co-morbid disease and clinical domain in order to assign biological risk
Microbiota development in early life mediates association between mode of delivery and vaccine responses
Wastewater surveillance for infectious disease: a systematic review
Modeling the impact of COVID-19 vaccination in Lebanon: A call to speed-up vaccine roll out
Hand Hygiene Products and Adverse Skin Reactions: A Comparison between Health Care and Non-Health Care Workers
An externally validated deep learning model for the accurate segmentation of the lumbar paravertebral muscles
Detection of SARS-CoV-2 infection in gargle, spit and sputum specimens
Virtual Trials: Causally-validated treatment effects efficiently learned from an observational brain cancer registry
Protocol for the COG-UK hospital onset COVID-19 infection (HOCI) multicentre interventional clinical study: evaluating the efficacy of rapid genome sequencing of SARS-CoV-2 in limiting the spread of COVID-19 in United Kingdom NHS hospitals
Parent attitudes about childhood vaccines: a vaccine hesitancy point prevalence study.
Automated detection of axonal injury along white matter tracts in acute severe head trauma
Towards a COVID-19 symptom triad: The importance of symptom constellations in the SARS-CoV-2 pandemic
Repurposing EEG monitoring of general anaesthesia for building biomarkers of brain ageing: An exploratory study
SARS-CoV-2 Worldwide Replication Drives Rapid Rise and Selection of Mutations across the Viral Genome: A Time-Course StudyPotential Challenge for Vaccines and Therapies
Differential antibody production by symptomatology in SARS-CoV-2 convalescent individuals
The feasibility of an objective measure of the parent-child relationship in health visiting practice: assessment of the Maternal Postnatal Attachment Scale.
Reliability of citations of medRxiv preprints in articles published on COVID-19 in the world leading medical journals
Comprehensive analyses reveal the impacts of vaccination status and physiological variables in early infection on viral persistence in COVID-19 patients: a retrospective single-center cohort study
Hospitalizations, resource use and outcomes of acute pulmonary embolism in Germany during the Covid-19 pandemic - Emergence of different phenotypes of thrombotic disease?