Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Injection Drug use Practices and HIV infection among People Who Inject Drugs in Kigali, Rwanda.
HIV service interruptions during the COVID-19 pandemic in China: the role of HIV service challenges and institutional response from healthcare professional's perspective
Are we back to normal yet? The impact of the COVID-19 pandemic on mental health with a specific focus on schizotypal traits in the general population of Germany and the UK, comparing responses from April/May vs. September/October
Effective Connectivity of LSD-induced Ego Dissolution
SARS-CoV-2 Omicron neutralization and risk of infection among elderly after a booster dose of Pfizer vaccine
A prototype vaccination model for endemic Covid-19 under waning immunity and imperfect vaccine take-up
Robotic-Assisted Gait for lower-limb Rehabilitation: Evidence of Altered Neural Mechanisms in Stroke
Genetic variation of IFNL4 is associated with COVID-19
Do epigenetic clocks provide explanations for sex differences in lifespan? A cross-sectional twin study
Investigating childhood maltreatment as a modifier of genetic risk for cardiovascular disease in the UK Biobank
TCA cycle remodeling is associated with IL-1β-mediated proinflammatory eicosanoid signaling in humans with pulmonary tuberculosis
Assessment of the COVID-19 Vaccine Program: Impact of the No Mask Mandate Executive Order in the State of Texas
In vivo white matter microstructure in adolescents with early-onset psychosis: a multi-site mega-analysis via the ENIGMA Consortium.
Immune response to SARS-CoV-2 variants of concern in vaccinated individuals
The effect of COVID-19 on critical care research: A prospective longitudinal multinational survey
Respiratory symptoms of Swiss people with Primary Ciliary Dyskinesia
Trajectories: a framework for detecting temporal clinical event sequences from health data standardized to the OMOP Common Data Model
Cross-sectional equity analysis of accessibility by automobile to tertiary care emergency services in Cali, Colombia in 2020
The impact of mental health and substance use issues on COVID-19 vaccine readiness: a cross sectional community-based survey in Ontario, Canada
The COVID-19 pandemic shifted the Veterans Affairs System toward being a payer and virtual care provider: is it sustainable?
Evaluation of the Causal Relationship Between Smoking and Schizophrenia in Asia
Population Changes in Seroprevalence among a Statewide Sample in the United States
Risk-factors Associated with Non-Vaccination in Gambian Children: A Population-Based Cohort Study
Using body temperature and variables commonly available in the EHR to predict acute infection: A proof-of-concept study showing improved pretest probability estimates for acute COVID-19 infection among discharged emergency department patients
Mortality in cancer patients with congenital anomalies across different age groups: trend analysis and prognostic risk factors
Estimated Spike Evolution and Impact of Emerging SARS-CoV-2 Variants