Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: COVID-19 contact tracing during first delta wave, Lebanon, 2021
Adaptive vaccination may be needed to extirpate COVID-19: Results from a runtime-alterable strain-drift and waning-immunity model
Cost-effectiveness analysis of patent foramen ovale closure versus medical therapy alone after cryptogenic stroke.
Multimodal MRI examination of structural and functional brain changes in older women with breast cancer in the first year of antiestrogen hormonal therapy
Why does purpose in life predict mortality in older adults?
Using numerical modelling and simulation to assess the ethical burden in clinical trials and how it relates to the proportion of responders in a trial sample
Molecular surveillance reveals widespread colonisation by carbapenemase and extended spectrum beta-lactamase producing organisms in neonatal units in Kenya and Nigeria
An international, inter-laboratory ring trial confirms the feasibility of an open source, extraction-less "direct" RT-qPCR method for reliable detection of SARS-CoV-2 RNA in clinical samples
Environmental impact and life cycle financial cost of hybrid (reusable/ single-use) instruments versus single-use equivalents in laparoscopic cholecystectomy
Sex-specific DNA methylation changes in Alzheimer's disease pathology
Association of machine learning-derived measures of body fat distribution in >40,000 individuals with cardiometabolic diseases
AI/ML Models to Aid in the Diagnosis of COVID-19 Illness from Forced Cough Vocalizations: Good Machine Learning Practice and Good Clinical Practices from Concept to Consumer for AI/ML Software Devices
The drop in reported invasive pneumococcal disease among adults during the first COVID-19 wave in the Netherlands explained.
A booster dose of mRNA-based COVID-19 vaccines fosters the development of an immune response in immunosuppressed fragile patients.
A Method for Machine Learning Generation of Realistic Synthetic Datasets for Validating Healthcare Applications
ANTERIOR OR POSTERIOR ANKLE FOOT ORTHOSES FOR ANKLE SPASTICITY: WHICH ONE IS BETTER?
Long-Term Downwind Exposure to Air Pollution from Power Plants and Adult Mortality: Evidence from COVID-19
Demarcation line determination for diagnosis of gastric cancer disease range using unsupervised machine learning in magnifying narrow-band imaging
Inverse planning for radiofrequency ablation in cancer therapy using multiple damage models
Race and ethnicity-related differences in neuroimaging markers of neurodegeneration and cerebrovascular disease in middle and older age
Genetic variation of IFNL4 is associated with COVID-19
CYP2D6 Genotyping for Personalized Therapy of Tamoxifen in Indonesian Women with ER+ Breast Cancer
Ethnic inequalities in multiple long-term health conditions in the United Kingdom: a systematic review and narrative synthesis
Multicentric Evaluation of a Novel Point of Care Electrochemical ELISA Platform for SARS-CoV-2 Specific IgG and IgM Antibody Assay
Trans-ancestry genome-wide association study identifies novel genetic mechanisms in rheumatoid arthritis
Unusual SARS-CoV-2 intra-host diversity reveals lineages superinfection