Instruct: Identify the main category of Medrxiv papers based on the titles.
Query: Dietary patterns among 13 - 17-years old school adolescents: A national comparison of the three geographical regions in Bolivia
Calorie reformulation: A systematic review and meta-analysis examining the effect of manipulating food energy density on daily energy intake and body weight
Visible and real dynamics of the COVID-19 pandemic in Ukraine in the spring of 2021
Determinants of mobility decline in nephrology-referred patients with CKD: a longitudinal cohort study
Does trust in government improve Covid-19's crisis management?
Thinner cortex is associated with psychosis onset in individuals at Clinical High Risk for Developing Psychosis: An ENIGMA Working Group mega-analysis
First genotype-phenotype study in TBX4 syndrome: gain-of-function mutations causative for lung disease
Brazilian model estimation for SARS-CoV-2 peak contagion (BMESPC)
Efficacy and safety of a drug-free, barrier-forming nasal spray for allergic rhinitis: randomized, open-label, crossover noninferiority trial
A Systematic Review of the Protective Effect of Prior SARS-CoV-2 Infection on Repeat Infection
Monitoring socioeconomic inequalities across HIV knowledge, attitudes, behaviours and prevention in 18 sub-Saharan African countries
Determining the Impact of Ethnicity on the Accuracy of Measurements of Oxygen Saturations. A Retrospective Cohort Study
Characterising COVID-19 empirical research production in Latin America and the Caribbean: a scoping review
Multisystem inflammatory syndrome in European White children - study of 274 cases
Changing characteristics over time of individuals receiving COVID-19 vaccines in Denmark: A population-based descriptive study of vaccine uptake
Benchmarking observational analyses before using them to address questions trials cannot answer: an application to coronary thrombus aspiration
Acute COVID-19 severity and 16-month mental morbidity trajectories in patient populations of six nations
Acute upper airway disease in children with the omicron (B.1.1.529) variant of SARS-CoV-2: a report from the National COVID Cohort Collaborative (N3C)
Monitoring the proportion infected by SARS-CoV-2 from age-stratified hospitalisation and serological data
Factors associated with the stigma-discrimination complex towards healthcare workers among university students during the coronavirus pandemic in Mexico
The importance of a consistent workflow to estimate muscle-tendon lengths based on joint angles from the conventional gait model
Comprehensive genome-wide association study of different forms of hernia identifies more than 80 associated loci
Exposures to different SARS-CoV-2 spike variants elicit neutralizing antibody responses with differential specificity towards established and emerging strains
Genomic epidemiology of COVID-19 in care homes in the East of England
Pay-it-forward to improve influenza vaccine uptake and public engagement among children and older adults in China: A quasi-experimental pragmatic trial
Using a physical model and aggregate data from Israel to estimate the current (July 2021 ) efficacy of the Pfizer-BioNTech vaccine