Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Study of knowledge and practices of local anaesthetic systemic toxicity among Doctors in Sri Lanka
The Effects of Pericapsular nerve group (PENG) block on Postoperative Recovery in Elderly Patients with Hip fracture: a study protocol for randomized, parallel controlled, double-blind trial
Early versus late third trimester maternal SARS-CoV-2 BNT162b2 mRNA immunization maximizes transplacental antibody transfer and neonatal neutralizing antibody levels
Highly sensitive and specific detection of the SARS-CoV-2 Delta variant by double-mismatch allele-specific PCR
Predisposing factors associated with the severity of the illness in adults with Covid-19 in Nepal.
SARS-CoV-2 Omicron variant: exploring healthcare workers' awareness and perception of vaccine effectiveness: a national survey during the first week of WHO variant alert
Common genetic variants identify targets for COVID-19 and individuals at high risk of severe disease
How Informative were Early SARS-CoV-2 Treatment and Prevention Trials? A longitudinal cohort analysis of trials registered on clinicaltrials.gov
Simultaneous estimation of bi-directional causal effects and heritable confounding from GWAS summary statistics
Metabolic alkalosis and mortality in COVID-19
Effectiveness of a nation-wide COVID-19 vaccination program in Mexico
Elevated fecal mitochondrial DNA from symptomatic norovirus infections suggests potential health relevance of human mitochondrial DNA in fecal source tracking
Genetic analysis of blood molecular phenotypes reveals regulatory networks affecting complex traits: a DIRECT study.
Monitoring sociodemographic inequality in COVID-19 vaccination coverage in England: a national linked data study
Polygenic basis and biomedical consequences of telomere length variation
High SARS-CoV-2 attack rates following exposure during five singing events in the Netherlands, September-October 2020
Saliva viral load is a dynamic unifying correlate of COVID-19 severity and mortality
Categorizing the Status of COVID-19 Outbreaks Around the World
Ultrasound-Guided Needling and Lidocaine Plus Sterile Water Injection in Lumbar Spinal Stenosis
Comparative Analysis of the Chemotherapy-related Cognitive Impairments in Patients with Breast Cancer: a Community-based Research
Viral load and infectivity of SARS-CoV-2 in paired respiratory and oral specimens from symptomatic, asymptomatic or post-symptomatic individuals
Favourable vaccine-induced SARS-CoV-2 specific T cell response profile in patients undergoing immune-modifying therapies
Socio-demographic and knowledge-related determinants of vitamin D supplementation in the context of the COVID-19 pandemic: assessment of an educational intervention
Differentials and determinants of immunization coverage among children aged 12-36 months in India: Analysis of nationally-representative, population-based survey data
Impact of COVID-19 on the indigenous population of Brazil: A geo-epidemiological study
Evaluating Chinese Handwriting Performance of Primary School Students Using the Smart Handwriting Analysis and Recognition Platform (SHARP)