Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Myeloid-derived suppressor cells in the blood of Iranian COVID-19 patients
The effect of COVID-19 vaccination in Italy and perspectives for 'living with the virus'
Impulse dispersion of aerosols during playing wind instruments
The Impact of COVID-19 Vaccination on California's Return to Normalcy
Widespread cell stress and mitochondrial dysfunction in early Alzheimers Disease
Psychological distress of healthcare workers in Quebec (Canada) during the second and the third pandemic waves
Emergence of the Delta Variant and risk of SARS-CoV-2 infection in secondary school students and staff: prospective surveillance in 18 schools, England
Recovery Time and Its Predictors among Women Admitted with Obstetric Fistula in Jimma University Medical Center Southwest, Ethiopia: A Retrospective Cohort Study
A PRACTICAL MODEL FOR EARLY IDENTIFICATION OF PROSPECTIVE HIGH NEED HIGH COST PATIENTS
COVID-19 and Medical Education in Ghana: Assessing the Impact
Cohort Design and Natural Language Processing to Reduce Bias in Electronic Health Records Research: The Community Care Cohort Project
Spatial Correlation of Left Atrial Low Voltage Substrate in Sinus Rhythm versus Atrial Fibrillation: Identifying the Pathological Substrate Irrespective of the Rhythm
Analyzing county-wide trends in Tennessee Covid-19 rates, Median Household Income, and Presence of Hospital
Children hospitalized for COVID-19 during the first winter of the pandemic in Buenos Aires, Argentina
Evaluation of the Weightage on Pain Management in Pharmacology Curricula of the Undergraduate Medical Program (MBBS) of Bangladesh
Effect of Pre-Exercise Caffeine Intake on Endurance Performance and Core Temperature Regulation During Exercise in the Heat: A Systematic Review with Meta-Analysis
Physician Reimbursement and Retention in HIV Care: Racial Disparities in the US South
Evaluating Adoption, Impact, and Factors Driving Adoption for TREWS, a Machine Learning-Based Sepsis Alerting System
COVID-19 vaccine brand hesitancy and other challenges to vaccination in the Philippines
Men are the main COVID-19 transmitters: lessons from couples
A Novel Computer-Assisted Drug-Induced Liver Injury Causality Assessment Tool (DILI-CAT)
Assessing the level and determinants of COVID-19 Vaccine Confidence in Kenya
A MULTI-MINERAL INTERVENTION TO MODULATE COLONIC MUCOSAL PROTEIN PROFILE: Results from a 90-day trial in healthy human subjects
COVID-19 vaccines effectiveness against symptomatic SARS-CoV-2 during Delta variant surge: a population-based case-control study in St. Petersburg, Russia
Gut-bladder axis syndrome associated with recurrent UTIs in humans
Spatially refined time-varying reproduction numbers of SARS-CoV-2 in Arkansas and Kentucky and their relationship to population size and public health policy, March - November, 2020