Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Identifying variation in GP referral rates: an observational study of outpatient headache referrals.
The effect of Covid-19 isolation measures on the cognition and mental health of people living with dementia: a rapid systematic review of one year of evidence.
Tenofovir Disoproxil Fumarate and severity of COVID-19 in people with HIV infection
Virological characteristics of SARS-CoV-2 vaccine breakthrough infections in health care workers
Large-scale validation of the Prediction model Risk Of Bias ASsessment Tool (PROBAST) using a short form: high risk of bias models show poorer discrimination
Comprehensive characterization of COVID-19 patients with repeatedly positive SARS-CoV-2 tests using a large US electronic health record database
TOWARD DEVELOPMENT OF GUIDELINES FOR VIRTUAL ADMINISTRATION OF STANDARDIZED LANGUAGE AND LITERACY ASSESSMENTS: RECOMMENDATIONS FOR CLINICIANS AND RESEARCHERS
Safety and efficacy of COVID-19 hyperimmune globulin (HIG) solution in the treatment of active COVID-19 infection- Findings from a Prospective, Randomized, Controlled, Multi-Centric Trial
Knowledge, Attitude, and Practices towards SARS-COV-2 Infection in the United Arab Emirates Population: a Cross-sectional Survey-based Study
A recurrent SHANK3 frameshift variant in Autism Spectrum Disorder
REACT-1 round 15 final report: Increased breakthrough SARS-CoV-2 infections among adults who had received two doses of vaccine, but booster doses and first doses in children are providing important protection
Prevalence, determinants, and impact on general health and working capacity of post-acute sequelae of COVID-19 six to 12 months after infection: a population-based retrospective cohort study from southern Germany
History of premorbid depression is a risk factor for COVID-related mortality: Analysis of a retrospective cohort of 1,387 COVID+ patients
Wastewater based surveillance system to detect SARS-CoV-2 genetic material for countries with on-site sanitation facilities: an experience from Bangladesh
Saliva-based detection of COVID-19 infection in a real-world setting using reagent-free Raman spectroscopy and machine learning
Causal and Associational Language in Observational Health Research: A systematic evaluation
Minimal observed impact of HLA genotype on hospitalization and severity of SARS-CoV-2 infection
Relationship between COVID-19 pandemic and ecological, economic, and social characteristics
Reduced amplification efficiency of the RNA-dependent-RNA-polymerase (RdRp) target enables tracking of the Delta SARS-CoV-2 variant using routine diagnostic tests
Implementing semantic interoperability of gene expression profiles using the HL7 FHIR standard
Feasibility, usability and acceptability of a novel digital hybrid-system for reporting of routine health information in Southern Tanzania A mixed-methods study
Molecular epidemiology of Escherichia coli and Klebsiella species bloodstream infections in Oxfordshire (UK) 2008-2018
Expectancy-Value-Cost motivational theory to explore final year medical students' research intentions and past research experience: a multicentre cross-sectional questionnaire study
The Effect of NFL and NCAA Football Games on the Spread of COVID-19 in the United States: An Empirical Analysis
Feasibility, Acceptability, and Effectiveness of Non-Pharmaceutical Interventions for Infectious Disease Prevention and Control in Crisis-Affected Settings and Informal Settlements: A Scoping Review
Clinicopathological features and outcome of COVID-19- early experiences from three covid hospitals, Chittagong, Bangladesh