Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: EFFECTS OF HAZARDOUS ALCOHOL AND DRUG USE ON ANTIRETROVIRAL ADHERENCE AND HIV VIRAL SUPPRESSION: A MEDIATION ANALYSIS
Epidemiological rather than macro-economic factors correlate with socioeconomic inequalities in HIV testing in 16 sub-Saharan African countries
Genome-Wide Association Study of Non-Alcoholic Fatty Liver Disease Identifies Association with Apolipoprotein E
Human Parainfluenza 2 & 4: clinical and genetic epidemiology in the UK, 2013-2017, reveals distinct disease features and co-circulating genomic subtypes
A COVID-19 Community Vulnerability Index to drive precision policy in the US
Replacement of the Alpha variant of SARS-CoV-2 by the Delta variant in Lebanon between April and June 2021
Assessment of COVID-19 Pandemic in Nepal: A Lockdown Scenario Analysis
Time scale separation in the vector borne diseasemodel SIRUV via center manifold analysis
Sex-specific metabolic pathways associate with Alzheimer's Disease (AD) endophenotypes in the European Medical Information Framework for AD Multimodal Biomarker Discovery (EMIF-AD MBD) cohort
Screening for diabetes and impaired glucose metabolism in Qatar: models development and validation.
Pathway specific polygenic risk scores identify pathways and patient clusters associated with inflammatory bowel disease risk, severity and treatment response
Tele-Rapid Response Team (Tele-RRT): Implementation and outcomes of Safety Network System. Before and after cohort study.
Immune enhancement to prevent infected pancreatic necrosis: A double-blind randomized controlled trial
Seroprevalence of SARS-CoV-2 antibodies in broadcast media workers
Migrants' primary care utilisation before and during the COVID-19 pandemic in England: An interrupted time series
Culture and understanding the role of feedback for health professions students: Realist synthesis protocol.
Case Study: End User Development of an Agent-based Model of Malaria Transmission to Support the Design of Late-Life-Acting Insecticides for the Control of Malaria Transmission and Delay of the Evolution of Insecticide Resistance
Early stopping in clinical PET studies: how to reduce expense and exposure
Prospective validation of diffusion-weighted MRI as a biomarker of tumor response and oncologic outcomes in head and neck cancer: Results from an observational biomarker pre-qualification study.
Two-dose SARS-CoV-2 vaccine effectiveness with mixed schedules and extended dosing intervals: test-negative design studies from British Columbia and Quebec, Canada
SARS-CoV-2 serological findings and exposure risk among employees in school and retail after first and second wave COVID-19 pandemic in Oslo, Norway: a cohort study
Radius of Gyration as predictor of COVID-19 deaths trend with three-weeks offset
Long-Term SARS-CoV-2-Specific Immune and Inflammatory Responses Across a Clinically Diverse Cohort of Individuals Recovering from COVID-19
Prevalence of RT-PCR-detected SARS-CoV-2 infection at schools: First results from the Austrian School-SARS-CoV-2 Study
Integrating Health Behavior Theories to Predict COVID-19 Vaccine Acceptance: Differences between Medical Students and Nursing Students
SARS-CoV-2 seroconversion in response to infection and vaccination: A time series local study in Brazil