Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Substance use and associated factors among Adolescents during the Covid-19 pandemic in Eastern Ethiopia: A cross-sectional study
Variation in English Covid booster uptake
A phase 2 study of the inhaled pan-JAK inhibitor TD-0903 in severe COVID-19: Part 1
Reduced Neutralization of SARS-CoV-2 Omicron Variant by Vaccine Sera and monoclonal antibodies
Lexical and acoustic features in speech relating to Alzheimer's disease pathology
Association of assisted reproductive technology with long-term offspring cardiometabolic health: a multi-cohort study
Fear of COVID-19 among nurses in mobile COVID-19 testing units in Greece
Vaccine effectiveness against COVID-19 related hospital admission in the Netherlands: a test-negative case-control study
Effectiveness of COVID-19 Vaccines in preventing Infectiousness, Hospitalization and Mortality: A Historical Cohort Study Using Iranian Registration Data During Vaccination program
Exploring selection bias in COVID-19 research: Simulations and prospective analyses of two UK cohort studies
Impact of COVID-19 pandemic on rare diseases- A case study on thalassaemia patients in Bangladesh
Alcohol consumption and telomere length: observational and Mendelian randomization approaches
Out-of-Pocket Spending for Health Care Within 90 Days of COVID-19 Hospitalization
Analysis of Host Immunological Response of Adenovirus-Based COVID-19 Vaccines
Fundamental limits on inferring epidemic resurgence in real time using effective reproduction numbers
Cellular and Antibody Immunity after COVID-19 Vaccination at >4-Month Follow Up in Immunocompetent and Immunocompromised Subjects
How Timing of Stay-home Orders and Mobility Reductions Impacted First-Wave COVID-19 Deaths in US Counties
The potential impact of delta variant of SARS-CoV-2 in the context of limited vaccination coverage and increasing social mixing in Bogota, Colombia
Cell-Mediated Immune Response after COVID 19 Vaccination in Patients with Inflammatory Bowel Disease
Estimating infection-related human mobility networks based on time series data of COVID-19 infection in Japan
Children Living with Disabilities Are Absent From Severe Malnutrition Guidelines
COVID-19 Infection Risk amongst 14,104 Vaccinated Care Home Residents: A national observational longitudinal cohort study in Wales, United Kingdom, December 2020 to March 2021
Personalised Cardiac Rehabilitation Outreach Service Reduces Mortality and Hospitalisations in Heart Failure with Reduced Ejection Fraction
Community Mobility and COVID-19 Dynamics in Jakarta, Indonesia
Pneumocytes are distinguished by highly elevated expression of the ER stress biomarker GRP78, a co-receptor for SARS-CoV-2, in COVID-19 autopsies
Stimulant Use Interventions May Strengthen 'Getting to Zero' Initiatives in Illinois: Insights from a Modeling Study