Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Sequential appearance and isolation of a SARS-CoV-2 recombinant between two major SARS-CoV-2 variants in a chronically infected immunocompromised patient
Expansion of Cytotoxic CD4+ T cells in the lungs in severe COVID-19
Expression quantitative trait methylation analysis elucidates gene regulatory effects of DNA methylation: The Framingham Heart Study
Hospital Preparedness and Response Framework during infection pandemic.
School start times and academic achievement - a systematic review on grades and test scores
An ensemble prediction model for COVID-19 mortality risk
Dental biofilm microbiota dysbiosis is associated with the risk of aGVHD after allogeneic HSCT
Uptake of SARS-CoV-2 workplace testing programs, March 2020 to March 2021
Up-regulated tumor intrinsic growth potential and decreased immune function orchestrate the evolution of lung adenocarcinoma
A Highly Accurate Ensemble Classifier for the Molecular Diagnosis of ASD at Ages 1 to 4 Years
Unsupervised Learning for Large Scale Data: The ATHLOS Project
Evaluating the efficacy and mechanism of metformin targets on reducing Alzheimers disease risk in the general population: a Mendelian randomization study
Altered branched-chain α-keto acid metabolism is a feature of NAFLD in individuals with severe obesity
Direct, Indirect and Mixed Methods of Health Education By Nurse and Its Impact on Type 2 Diabetes Patients: A Literature review
Forecasting COVID-19 cases: A comparative analysis between Recurrent and Convolutional Neural Networks
Multimodal Classification of Mild Traumatic Brain Injury Reveals Local Coupling Between Structural and Functional Connectomes
Loss of C2orf69 defines a fatal auto-inflammatory mitochondriopathy in Humans and Zebrafish
Lived experiences of pregnant and new mothers during COVID-19 pandemic: A narrative analysis of YouTube birth stories.
Gout and coronavirus disease-19 (COVID-19): the risk of diagnosis and death in the UK Biobank
GroceryDB: Prevalence of Processed Food in Grocery Stores
Estimating the increase in reproduction number associated with the Delta variant using local area dynamics in England
Disparities in SARS-CoV-2 seroprevalence among individuals presenting for care in central North Carolina over a six-month period
SARS-CoV-2 is associated with changes in brain structure in UK Biobank
Cohort Study: The Accuracy of Screening Methods of COVID-19 in Pregnancy: Practical Approach in Low Resources Health Services
Amyloid deposition in granuloma of tuberculosis patients: A pilot study
Sex differences in the genetic regulation of the blood transcriptome response to glucocorticoid receptor activation