Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Implementation of COVID-19 Preventive Measures in Primary and Secondary Schools Following Reopening of Schools in Autumn 2020; A Cross-Sectional Study of Parents' and Teachers' Experiences in England
Sexual Orientation Experiences of Discrimination: Dimensionality, internal consistency, and nomological validity in a diverse Colombian population
Optimal piecewise constant vaccination and lockdown policies for COVID-19
Integrated genomic and histopathological analysis of low grade serous ovarian carcinoma identifies clinically distinct disease subtypes
Context Matters! Depression following childbirth or a chronic disease diagnosis shows specific risk factor profiles.
redBERT: A Topic Discovery and Deep SentimentClassification Model on COVID-19 OnlineDiscussions Using BERT NLP Model
Evaluating quality improvement at scale: routine reporting for executive board governance in a UK National Health Service organisation
Effectiveness of Localized Lockdowns in the SARS-CoV-2 Pandemic
Time-Varying Mortality Risk Suggests Increased Impact of Thrombosis in Hospitalized Covid-19 Patients
Multiplexed CRISPR-based microfluidic platform for clinical testing of respiratory viruses and SARS-CoV-2 variants
Syndromic surveillance for severe acute respiratory infections (SARI) enables valid estimation of COVID-19 hospitalization incidence and reveals underreporting of hospitalizations during pandemic peaks of three COVID-19 waves in Germany, 2020-2021
Evaluating a first fully automated interview grounded in MMI methodology: results from a feasibility study
Seroepidemiological Study of Novel Corona Virus (CoVID-19) in Tehran, Iran
Evaluation of gait cycle time variability in patients with knee osteoarthritis using a triaxial accelerometer
Clinicopathological features and outcome of COVID-19- early experiences from three covid hospitals, Chittagong, Bangladesh
Impact of early life nutrition on gut health in children: A prospective clinical study
Disruption of spatiotemporal clustering in dengue cases by wMel Wolbachia in Yogyakarta, Indonesia
Factors Associated with Timely Test Seeking, Test Turnaround, and Public Reporting of COVID-19: a retrospective analysis in Ontario, Canada
Risk of reactivation of hepatitis B virus (HBV) and tuberculosis (TB) and complications of hepatitis C virus (HCV) following Tocilizumab therapy: A systematic review to inform risk assessment in the COVID era
Cohort Profile: National Institute for Health Research Health Informatics Collaborative: Hepatitis B Virus (NIHR HIC HBV) Research Dataset
Infants have lower RT-PCR cycle threshold for SARS-CoV-2 in comparison with older children and adults
Vaccination and Non-Pharmaceutical Interventions: when can the UK relax about COVID-19?
Pre-treatment lactate dehydrogenase levels as predictor of hepatic resection in intermediate stage hepatocellular carcinoma
SARS-CoV-2 Heterogeneity by Ethnicity in Los Angeles
ELIPSE-COL: A novel ELISA test based on rational envisioned synthetic peptides for detection of SARS-CoV-2 infection in Colombia.
Combination between Mifepristone and Methotrexate to Treat Ectopic Pregnancy: A Systematic Review Protocol