Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Optimal time to return to normality: parallel use of COVID-19 vaccines and circuit breakers
Differential Risk of SARS-CoV-2 Infection by Occupation: Evidence from the Virus Watch prospective cohort study in England and Wales
Egg-derived anti-SARS-CoV-2 immunoglobulin Y (IgY) with broad variant activity as intranasal prophylaxis against COVID-19: preclinical studies and randomized controlled phase 1 clinical trial
Serological reconstruction of COVID-19 epidemics through analysis of antibody kinetics to SARS-CoV-2 proteins
ADESSO detects SARS-CoV-2 and its variants: extensive clinical validation of an optimised CRISPR-Cas13-based COVID-19 test
Correlation of Long-Term Care Facility Influenza Vaccination Practices between Seasons and Resident Types
Novel scotoma detection method using time required for fixation to the random targets
The external validity of four risk scores predicting 30-day mortality after surgery
Healthcare workers' COVID-19 Omicron variant uncertainty-related stress, resilience, and coping strategies during the first week of World Health Organization alert
Changes in live births, preterm birth, low birth weight, and cesarean deliveries in the United States during the SARS-CoV-2 pandemic
A Randomized Trial of Otilimab in Severe COVID-19 Pneumonia (OSCAR)
A privacy-preserving Bayesian network model for personalised COVID19 risk assessment and contact tracing
Development and Validation of a Simplified Risk Score for the Prediction of Critical COVID-19 Illness in Newly Diagnosed Patients
Cultural adaptation of the person-centered maternity care scale at governmental health facilities in Cambodia
Multiple Sclerosis: Exploring the Limits of Genetic and Environmental Susceptibility
New Insight into the Neural Mechanisms of Migraine in Adolescents: Relationships with Sleep
Impact and cost-effectiveness of frequent HIV re-testing among key populations in Viet Nam: a modeling study
Explant analysis of Utah electrode arrays implanted in human cortex for brain-computer-interfaces
COVID-19 Susceptibility and Severity Risks in a Survey of Over 500,000 Individuals
Anthropometric measures and their relationship to corneal refractive power in the United States population
SOFA score performs worse than age for predicting mortality in patients with COVID-19
Convolutional neural networks on eye tracking trajectories classify patients with spatial neglect
Immunogenomic intertumor heterogeneity across primary and metastatic sites in a patient with lung adenocarcinoma
SARS-CoV-2 third vaccine immune response in MS patients treated with ocrelizumab
Disentangling heterogeneity of psychosis expression in the general population: sex-specific moderation effects of environmental risk factors on symptom networks
Surveillance of COVID-19 cases associated with dental settings using routine health data from the East of Scotland with a description of efforts to break chains of transmission from October 2020 to December 2021.