Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Double burden of malnutrition and its social disparities among rural Sri Lankan adolescents
The mass balance model of obesity explains the weight loss advantage of a low-carbohydrate diet over a isocaloric low-fat diet
Dysbiosis and structural disruption of the respiratory microbiota in COVID-19 patients with severe and fatal outcomes
Short-term effects of BNT162b2 mRNA COVID-19 vaccination on physiological measures: a prospective study
Screening and vaccination against COVID-19 to minimize school closure
Acceptance of COVID-19 vaccine among healthcare workers in Katsina state, Northwest Nigeria
A log-odds system for waning and boosting of COVID-19 vaccine effectiveness
'When will this end? Will it end?' The impact of the March-June 2020 UK Covid-19 lockdown response on mental health: a longitudinal survey of mothers in the Born in Bradford study.
Understanding the association between mental health knowledge and mental health service utilization among Black adults
Factors associated with repeat childbirth among Adolescent Mothers in Soroti District, Teso sub-region, Uganda: A cross-sectional study
An external validation of the QCovid risk prediction algorithm for risk of mortality from COVID-19 in adults: national validation cohort study in England
It Takes Two to Tango: Combining Conventional Culture with Molecular Diagnostics Enhances Accuracy of Streptococcus pneumoniae Detection and Pneumococcal Serogroup/Serotype determination in Carriage
Prevalence, incidence and risk factors for myopia among urban and rural children in southern China: protocol for a school-based cohort study
Myocarditis and Pericarditis following COVID-19 Vaccination: Rapid Systematic Review of Incidence, Risk Factors, and Clinical Course
Measuring the digital divide among people with Severe Mental Ill Health using the Essential Digital Skills framework.
Durability of Protection against COVID-19 Breakthrough Infections and Severe Disease by Vaccines in the United States
Point-of-care lung ultrasound predicts severe disease and death due to COVID-19: a prospective cohort study.
A feasible and more efficient SARS-Cov-2 vaccine allocation to states and counties in the USA
The Association Between Hypoglycemic Agents and Clinical Outcomes of COVID-19 in Patients with Diabetes: A Systematic Review and Meta-Analysis
COVID-19 Variant Detection with a High-Fidelity CRISPR-Cas12 Enzyme
Comparing SARS-CoV-2 natural immunity to vaccine-induced immunity: reinfections versus breakthrough infections
Deaths from cardiovascular disease involving anticoagulants: a systematic synthesis of coroners' case reports
Predicting cause of death from free-text health summaries: development of an interpretable machine learning tool
Dissecting the Epigenomic Differences between Smoking and Nicotine Dependence in a Veteran Cohort
Diffusion Kurtosis Imaging of the neonatal Spinal Cord: design and application of the first processing pipeline implemented in Spinal Cord Toolbox
Baseline Characteristics and Outcomes of 180 Egyptian COVID-19 Patients Admitted to Quarantine Hospitals of Ain Shams University: A Retrospective Comparative Study