Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Trajectories of compliance with COVID-19 related guidelines: longitudinal analyses of 50,000 UK adults
COVID Seroprevalence, Symptoms and Mortality During the First Wave of SARS-CoV-2 in Canada
Identification and Analysis of Novel Synovial Tissue-based Biomarkers and Interacting Pathways for Rheumatoid Arthritis
Assessing the efficacy of interventions to control indoor SARS-Cov-2 transmission: an agent-based modeling approach
The usefulness of D-dimer as a predictive marker for mortality in patients with COVID-19 hospitalized during the first wave in Italy.
Ketamine and attentional bias to threat: dynamic causal modeling of magnetoencephalographic connectivity in treatment-resistant depression
High performances of a novel antigen detection test on nasopharyngeal specimens for SARS-CoV-2 infection diagnosis: a prospective study
A Multiple Linear Regression Analysis of Rural-Urban COVID-19 Risk Disparities in Texas
Analytical performance of a highly sensitive system to detect gene variants using next-generation sequencing for lung cancer companion diagnostics
Improving older adults' vaccination uptake: are existing measures of vaccine hesitancy valid and reliable for older people?
Women's views and experiences of accessing vaccination in pregnancy during the COVID-19 pandemic: A multi-methods study in the United Kingdom
Persistent delirium in older hospital patients: an updated systematic review and meta-analysis
Association between motor task acquisition and hippocampal atrophy across cognitively unimpaired, amnestic Mild Cognitive Impairment, and Alzheimer's disease individuals
Surveillance of COVID-19 vaccine effectiveness - a real-time case-control study in southern Sweden
Leveraging fine-mapping and non-European training data to improve trans-ethnic polygenic risk scores
Risk heterogeneity in compartmental HIV transmission models of ART as prevention in Sub-Saharan Africa: A scoping review
Improved detection of SBDS gene mutation by a new method of next-generation sequencing analysis based on the Chinese mutation spectrum
Comparison of accelerometry-based measures of physical activity
Molecular markers for early stratification of disease severity and progression in COVID-19
Pooling of samples for SARS-CoV-2 detection using rapid antigen tests
COVID-19: Can early home treatment with Azithromycin alone or with Zinc help prevent hospitalisation, death, and long-COVID-19? A review
Artificial Intelligence Applications for COVID-19 in Intensive Care and Emergency Settings: A Systematic Review
Disease and Social Media in Post-Natural Disaster Recovery Philippines
Survival prediction with Bayesian Networks in more than 6000 non-small cell lung cancer patients
The combined impact of persistent infections and human genetic variation on C-reactive protein levels
Quality of Care for Children Under Five with Malaria Using IMCI Approach at Public Health Centre: Literature Review