Instruct: Identify the main category of Medrxiv papers based on their titles.
Query: Lifestyle behaviours of children and adolescents during the first two waves of the COVID-19 pandemic in Switzerland and their relation to well-being: a population-based study
Impact and effectiveness of social distancing for COVID-19 mitigation -- A transnational and transregional study
Salivary molecular testing for SARS-CoV-2: simplifying the diagnosis without losing accuracy
Short-term variability of proton density fat fraction in pancreas and liver assessed by multi-echo chemical-shift encoding-based MRI at 3 T
Alterations in resting-state activity and functional connectivity in children with 22q11.2 deletion syndrome
Feasibility and accuracy of a novel saliva sampling method for large-scale SARS-CoV-2 screening in children < 12 years of age
A Systematic Review and Meta-Analysis of Digital Application use in Clinical Research in Pain Medicine
Association of long-term body weight variability with dementia: a prospective study
Vitamin D Status: A U-shaped relationship for SARS-CoV-2 seropositivity in UK healthcare workers
Neurofilament light protein as a blood biomarker for Huntington's disease in children
Raised cardiovascular disease mortality after central nervous system tumour diagnosis: analysis of 171 926 patients from UK and USA
Standard pleural interventions are not high-risk aerosol generating procedures.
Safety and immunogenicity of heterologous and homologous inactivated and adenoviral-vectored COVID-19 vaccines in healthy adults
Emergence of the E484K Mutation in SARS-CoV-2 Lineage B.1.1.220 in Upstate New York
Low somatosensory cortex excitability in the acute stage of low back pain causes chronic pain
Prognostic Value of Serum/Plasma Neurofilament Light Chain for COVID-19 Associated Mortality
Social inequalities in hostility toward vaccination against Covid-19
Increasing viral transmission paradoxically reduces progression rates to severe COVID-19 during endemic transition
Obesity may hamper SARS-CoV-2 vaccine immunogenicity
Distinct time courses and pathogenic contributions of alveolar epithelial and endothelial injury in acute respiratory distress syndrome with COVID-19: evidence from circulating biomarkers
Cellular and humoral immunity to SARS-CoV-2 infection in multiple sclerosis patients on ocrelizumab and other disease-modifying therapies: a multi-ethnic observational study
Multiple drug arrests reported to the Maine Diversion Alert Program more frequently involved carisoprodol, amitriptyline, or quetiapine
Attitude towards gender inequitable norms and associated factors among male youths in Arba Minch town, Southern Ethiopia
EMS responses to hospice patients: a qualitative study
Systematic review reveals multiple sexually antagonistic polymorphisms affecting human disease and complex traits
In vitro Characterization of SARS-CoV-2 Protein Translated from the Moderna mRNA-1273 Vaccine