Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: IDENTIFICATION OF GENETICALLY RELATED HCV INFECTIONS AMONG SELF-DESCRIBED INJECTING PARTNERSHIPS
Emergence in Southern France of a new SARS-CoV-2 variant of probably Cameroonian origin harbouring both substitutions N501Y and E484K in the spike protein
Awareness, treatment, and control of diabetes in Bangladesh: evidence from the Bangladesh Demographic and Health Survey 2017/18
How an election can be safely planned and conducted during a pandemic: Decision support based on a discrete event model
Investigating neurophysiological effects of a short course of tDCS for cognition in schizophrenia: a target engagement study.
What is the best evidence for graft choice in ACL reconstruction? Protocol for a systematic review and network meta-analysis.
Longitudinal associations between perceived stress and anhedonia during psychotherapy
Overcoming COVID-19 vaccine preferential bias in Europe: Is the end of the pandemic still foreseeable?
Towards Optimum Reporting of Pulmonary Effectiveness Databases and Outcomes (TORPEDO): identifying a core dataset for asthma and COPD studies
Psychometric properties of the Sleep Hygiene Index in a large Italian community sample.
"If somebody had told me I'd feel like I do now, I wouldn't have believed them"    Older adults' experiences of the BELL trial: a qualitative study
Predictors of black fungus fear during the COVID-19 pandemic among the Bangladeshi health workers: a cross-sectional study
HDMAX2: A framework for High Dimensional Mediation Analysis with application to maternal smoking, placental DNA methylation and birth outcomes
Affective neural signatures do not distinguish women with emotion dysregulation from healthy controls:A mega-analysis across three task-based fMRI studies
Sustained Minimal Residual Disease Negativity in Multiple Myeloma is Associated with Stool Butyrate and Healthier Plant-Based Diets
The effect of SARS-CoV-2 variant B.1.1.7 on symptomatology, re-infection and transmissibility
Structural racism and COVID-19 response: Higher risk of exposure drives disparate COVID-19 deaths among Black and Hispanic/Latinx residents of Illinois, USA
Prognosis and hematological findings in patients with COVID-19 in an Amazonian population of Peru
A Meta-Analysis of Influenza Vaccination Following Correspondence: Considerations for COVID-19
Potentially Inappropriate Medication Use and the Hospitalization Rate among Thai Elderly Patients: a Retrospective Cohort Study
Differential Risk of SARS-CoV-2 Infection by Occupation: Evidence from the Virus Watch prospective cohort study in England and Wales
Computerized Cognitive Training in People with Depression: A Systematic Review and Meta-analysis of Randomized Clinical Trials
Implementation of predictive risk stratification to reduce emergency admissions to hospital: experiences of general practitioners and practice managers
Fine-scale heterogeneity in population density predicts wave dynamics in dengue epidemics
Evaluation of County-Level Heterogeneity in Excess Mortality in Colorado from March to September 2020
Cancer diagnosis in primary care after second pandemic year in Catalonia: a time-series analysis of primary care electronic health records covering about five million people