Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: The Association of Opioid Use Disorder and COVID-19 in Shahroud, Iran
The Addiction Genetic Factor a(g): A Unitary Genetic Vulnerability Characterizes Substance Use Disorders and Their Associations with Common Correlates
High-throughput sequencing of SARS-CoV-2 in wastewater provides insights into circulating variants
Durability of antibody responses elicited by a single dose of Ad26.COV2.S and substantial increase following late boosting
Evaluation of High Flow Local Extraction on control of the aerosol plume in an operating theatre
COVID-19 vaccine acceptance among healthcare workers in India: Results from a cross-sectional survey
Decreased Diastolic Hydraulic Forces Incrementally Associate With Survival Beyond Conventional Measures of Diastolic Dysfunction
Immunogenicity of heterologous prime/boost inactivated and mRNA COVID-19 vaccine
Neutralizing responses in fully vaccinated with BNT162b2, CoronaVac, ChAdOx1, and Ad26.COV2.S against SARS-CoV-2 lineages in Colombia, 2020-2021
Extending upon: What effect might border screening have on preventing importation of COVID-19 compared with other infections? - Considering the additional effect of post-arrival isolation
Early Detection of Alzheimer's Disease with Low-Cost Neuropsychological Tests: A Novel Predict-Diagnose Approach using Recurrent Neural Networks
The potential of digital health technologies in African context, Ethiopia
Genomic insights into early SARS-CoV-2 strains isolated in Reunion Island
Government restriction efficiency on curbing COVID-19 pandemic transmission in Western Europe
Real-world clinical outcomes of treatment with casirivimab-imdevimab among patients with mild-to-moderate coronavirus disease 2019 during the Delta variant pandemic
Over- and under-estimation of vaccine effectiveness
RELATIONSHIP BETWEEN ADVERSE EVENTS PREVALENCE, PATIENT SAFETY CULTURE AND PATIENT SAFETY PERCEPTION IN A SINGLE SAMPLE OF PATIENTS: A CROSS-SECTIONAL STUDY
Effect of seizures on developmental trajectories in children with autism
Sex differences in brain development in fetuses and infants who are at low or high likelihood for autism
Prevalence of Occupation Associated with Increased Mobility During COVID-19 Pandemic
Medication Guideline Adherence Among Patients with Markedly Elevated Blood Pressure in A Real-World Setting
Interoperability Assessment of Emergency Department Processes Based on Multicriteria Decision-Making Methods
Voice patterns as markers of schizophrenia: building a cumulative generalizable approach via cross-linguistic and meta-analysis based investigation
The evolutionary landscape of SARS-CoV-2 variant B.1.1.519 and its clinical impact in Mexico City
A mixed method study on supportive supervision of Community Health Workers from Central India
Public health relevant consequences of the COVID-19 pandemic on malaria in sub-Saharan Africa: A scoping review