Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: SARS-CoV-2 variants in Paraguay: Detection and surveillance with a readily modifiable, multiplex real-time RT-PCR
Shedding of Infectious SARS-CoV-2 Despite Vaccination when the Delta Variant is Prevalent - Wisconsin, July 2021
High-dimensional deconstruction of pancreatic ductal adenocarcinoma identifies tumor microenvironmental communities associated with survival
Glaucoma patient screening from online retinal fundus images via Artificial Intelligence
CoAI: Cost-Aware Artificial Intelligence for Health Care
Discharge prediction of critical patients with spinal cord injury: a machine learning study with 1485 cases
High density lipoprotein cholesterol and risk of subsequent COVID-19 hospitalisation: the UK Biobank study
Severity of respiratory failure and computed chest tomography in acute COVID-19 correlates with pulmonary function and respiratory symptoms after infection with SARS-CoV-2: an observational longitudinal study over 12 months
Elevated T-cell exhaustion and urinary tumor DNA levels are associated with BCG failure in patients with non-muscle invasive bladder cancer
Inhaled nitric oxide use in COVID19-induced hypoxemic respiratory failure.
Ambient Temperature and Dengue Hospitalisation in Brazil over a 10-year period, 2010-2019: a times series analysis
Simulated Diagnostic Performance of Ultra-Low-Field MRI: Harnessing Open-Access Datasets to Evaluate Novel Devices
A standardized approach for case selection and genomic data analysis of maternal exomes for the diagnosis of oocyte maturation and early embryonic developmental arrest in IVF
Impact of tiered restrictions on human activities and the epidemiology of the second wave of COVID-19 in Italy
More complaints than findings - Long-term pulmonary function in children and adolescents after COVID-19
Heart Rate Variability as a Prospective Predictor of Early COVID-19 Symptoms
Effect of Umbilical Cord Milking on Severity of Hypoxic Ischemic Encephalopathy in Asphyxiated Neonates A Pilot study
Activation of the vagal anti-inflammatory reflex by remote ischaemic conditioning in humans: experimental cross-over study.
Efficacy of Wang Nam Yen herbal tea on human milk production: A randomized controlled trial
Common Mechanisms of Virus-Mediated Oncogenesis in Bladder Cancers Arising In Solid Organ Transplant Recipients
Predictive utility of mortality by aging measures at different hierarchical levels and the response to modifiable lifestyle factors:Implications for geroprotective programs
SGLT2-Inhibition reverts urinary peptide changes associated with severe COVID-19: an in-silico proof-of-principle of proteomics-based drug repurposing
Quantitative assessment of pregnancy outcome following recurrent miscarriage clinic care: a prospective cohort study
Simple Linear Cancer Risk Prediction Models with Novel Features Outperform Complex Approaches
Averting an outbreak of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in a university residence hall through wastewater surveillance
The natural history of TB disease - a synthesis of data to quantify progression and regression across the spectrum