Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: SARS-CoV-2 Immunogenicity in individuals infected before and after COVID-19 vaccination: Israel, January-March 2021: Implications for vaccination policy
Quantifying the vaccine-induced humoral immune response to spike-receptor binding domain as a surrogate for neutralization testing following mRNA-1273 (Spikevax) vaccination against COVID-19
FastMix: A Versatile Multi-Omics Data Integration Pipeline for Cell Type-Specific Biomarker Inference
Multimodal Classification of Mild Traumatic Brain Injury Reveals Local Coupling Between Structural and Functional Connectomes
The PKN1- TRAF1 signaling axis as a potential new target for chronic lymphocytic leukemia
Perceived barriers and enablers influencing physical activity in heart failure: a qualitative one-to-one interview study
Resting State Functional Connectivity Alterations in Individuals with Autism Spectrum Disorders: A Systematic Review
Consent is a confounding factor in a prospective observational study of critically ill elderly patients
Predictors of parents intention to vaccinate their children against the COVID-19 in Greece: a cross-sectional study
Impact of the representation of contact data on the evaluation of interventions in infectious diseases simulations
Development of reference equations for the six-minute walk distance of school-aged Nigerian children
The clinical and prognostic significance of Protein Arginine Deiminase 2 and 4 (PADI2 & PADI4) in colorectal cancer
Medication use and physical assaults in the psychiatric emergency room
Description of a community paediatric strategy offering a package of services to prevent malnutrition among children in one health district in Mali
Ornithine Decarboxylase (ODC1) gene variant (rs2302615) is associated with gastric cancer independently of  Helicobacter pylori  CagA serostatus
Effect of antibiotic consumption on self-reported recovery from uncomplicated urinary tract infection
Identifying the regional substrates predictive of Alzheimer's disease progression through a convolutional neural network model and occlusion
Genome-wide by environment interaction study of stressful life events and hospital-treated depression in the iPSYCH2012 sample
SARS-CoV-2 Variant Under Investigation 202012/01 has more than twofold replicative advantage
Rate discrimination training may partially restore temporal processing abilities from age-related deficits
Removal of the race coefficient and adjustment to individual BSA provide the most accurate estimation for GFR in Black adolescents
Combination therapy of infliximab and thiopurines, but not monotherapy with infliximab or vedolizumab, is associated with attenuated IgA and neutralisation responses to SARS-CoV-2 in inflammatory bowel disease.
Frailty and rate of fractures in patients initiating antihypertensive medications: a cohort study in primary care.
Domain specific need assessment for Disaster Preparedness: a systematic review and critical interpretative synthesis
CD16ahigh NK cell infiltration and spatial relationships with T cells and macrophages can predict improved progression-free survival in high grade ovarian cancer
COVID-19 risk assessment for the Tokyo Olympic Games