Instruct: Identify the main category of medRxiv papers based on the titles.
Query: Single EV analysis (sEVA) of mutated proteins allows detection of stage 1 pancreatic cancer
Interim results of the safety and immune-efficacy of 1 versus 2 doses of COVID-19 vaccine BNT162b2 for cancer patients in the context of the UK vaccine priority guidelines
Heme Oxygenase-1 Promoter (GT)n Alleles and Neurocognitive Functioning in Thai Youth with Perinatally-Acquired HIV: A Pilot Study
Paediatric/young versus adult patients with long QT syndrome or catecholaminergic polymorphic ventricular tachycardia
COVID-19: a study about the impact of coronavirus on physicians of La Plata, Argentina
Using random forests to understand unrecognized progression to late-stage CKD, a case-control study
Protocol for a nationwide Internet-based health survey in workers during the COVID-19 pandemic in 2020
Association between COVID-19 Outcomes and Mask Mandates, Adherence, and Attitudes
Application of the Logistic Model to the COVID-19 Pandemic in South Africa and the United States: Correlations and Predictions
Telomere shortening as a stress biomarker in children and adolescents affected by natural disasters.
Antimicrobial use in COVID-19 patients in the first phase of the SARS-CoV-2 pandemic: Rapid review and evidence synthesis
Metrics to relate COVID-19 wastewater data to clinical testing dynamics
Clinical profile and immediate outcome of Multisystem Inflammatory Syndrome in Children (MIS-C) associated with Covid-19: a multicentric study
Real-time monitoring of the effectiveness of six COVID-19 vaccines in Hungary in 2021 using the screening method
Antibody response in individuals affected with Sars-Cov-2 infection: temporal trends and qualitative and quantitative differences in symptomatic and asymptomatic subjects. A Cross Sectional Analysis. Ab-Covid Study
Evaluating Digital Device Technology in Alzheimer's Disease via Artificial Intelligence
Long Term Humoral Immunity Decline in Hemodialysis Patients Following SARS-CoV-2 Vaccination
Antibiotic resistance profile of E. coli isolates in 17 municipal wastewater utilities across Oregon
Association of frailty, age, and biological sex with SARS-CoV-2 mRNA vaccine-induced immunity in older adults
Independent and Combined Associations of 677C/T and 1298A/C Polymorphisms in the MTHFR gene with Breast Cancers in a South-Asian Population
Pilot program for test-based SARS-CoV-2 screening and environmental monitoring in an urban public school district
Animals in higher education settings: Do animal-assisted interventions improve mental and cognitive health outcomes of students?  A systematic review and meta-analysis
Abrupt increase in the UK coronavirus death-case ratio in December 2020
Predictors of poor outcome in patients diagnosed with drug-resistant tuberculosis in the Torres Strait / Papua New Guinea border region
Dissecting heart age using cardiac magnetic resonance videos, electrocardiograms, biobanks, and deep learning
Prediction of severe COVID-19 cases requiring intensive care in Osaka, Japan