Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Safe in my heart: resting heart rate variability longitudinally predicts emotion regulation, worry and sense of safeness during COVID-19 lockdown
Mental and social wellbeing and the UK Coronavirus Job Retention Scheme: evidence from nine longitudinal studies
A saliva-based RNA extraction-free workflow integrated with Cas13a for SARS-CoV-2 detection
"I feel like my body is broken": Exploring the experiences of people living with long COVID
Estimating the proportion of SARS-CoV-2 infections ascertained through diagnostic testing
Genome sequencing in the Parkinson disease clinic
Vaccine effectiveness of Pfizer-BioNTech and Oxford-AstraZeneca to prevent severe COVID-19 in Costa Rica by September and October 2021: A nationwide, observational study of hospitalisations prevalence.
Regional atrophy and cognitive decline depend on definition of subjective cognitive decline
Impact of the COVID-19 Pandemic on Early Child Cognitive Development: Initial Findings in a Longitudinal Observational Study of Child Health
Dopaminergic medication increases motivation to exert cognitive control by reducing subjective effort costs in Parkinson's patients
Assessing the causal role of sleep traits on glycated haemoglobin: a Mendelian randomization study
mRNA vaccine boosting enhances antibody responses against SARS-CoV-2 Omicron variant in patients with antibody deficiency syndromes
Association between Psychotropic Medications Functionally Inhibiting Acid Sphingomyelinase and reduced risk of Intubation or Death among Individuals with Mental Disorder and Severe COVID-19: an Observational Study
Timely Epidemic Monitoring in the Presence of Reporting Delays: Anticipating the COVID-19 Surge in New York City, September 2020
Delta variants of SARS-CoV-2 cause significantly increased vaccine breakthrough COVID-19 cases in Houston, Texas
Medical students' perception of live lectures compared to video lectures in basic sciences medical education: a cross-sectional survey of medical colleges in Pakistan
Clinical judgement of General Practitioners for the diagnosis of dementia
A joint spatial marked point process model for dengue and severe dengue in Medellin, Colombia.
Does the morphology of the posterior malleolar fragment influence clinical outcomes of trimalleolar fractures after surgical fixation? A systematic review and Meta-analysis
Provider preferences for delivery of HIV care coordination services: results from a discrete choice experiment
Optimal health and economic impact of non-pharmaceutical intervention measures prior and post vaccination in England: a mathematical modelling study
Breakthrough infection with SARS-CoV-2 and its predictors among healthcare workers in a medical college and hospital complex in Delhi, India
Comparative Genomic Study for Revealing the Complete Scenario of COVID-19 Pandemic in Bangladesh
COVID-19 Vaccine Hesitancy in India: An Exploratory Analysis
Estimating decay curves of neutralising antibodies to SARS-CoV-2 infection
Decreased retinal vascular complexity is an early biomarker of MI supported by a shared genetic control.