Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Omicron BA.1 and BA.2 immune response in naive and prior infected persons
Immunogenicity and Safety of Booster Dose of S-268019-b or Tozinameran in Japanese Participants: An Interim Report of Phase 2/3, Randomized, Observer-Blinded, Noninferiority Study
A Genetic Model for Central Chondrosarcoma Evolution Correlates with Patient Outcome
Center-Based Experiences Implementing Strategies to Reduce Risk of Horizontal Transmission of SARS-Cov-2: Potential for Compromise of Neonatal Microbiome Assemblage
Comparative Effectiveness of BNT162b2 versus Ad26.COV2.S for the Prevention of COVID-19 among Dialysis Patients
Identifying the regional substrates predictive of Alzheimer's disease progression through a convolutional neural network model and occlusion
Breakthrough SARS-CoV-2 infections after COVID-19 mRNA vaccination in MS patients on disease modifying therapies
Responsivity of the striatal dopamine system to methylphenidate - a within-subject I-123-β-CIT-SPECT study in children and adolescents with Attention-Deficit/Hyperactivity Disorder
Radiological follow-up of adults hospitalised with pneumonia and SARS-CoV-2 infection, in Bristol UK, during the COVID19 pandemic
Impacts of Teaching Modality on U.S. COVID-19 Spread in Fall 2020 Semester
Redeployment and training of healthcare professionals to Intensive Care during COVID-19: a systematic review
The course of COVID-19 in patients with chronic spontaneous urticaria receiving omalizumab treatment
Development of a Video-based Evidence Synthesis Knowledge Translation Resource: Applying a User-Centred Approach
Large-scale validation of the Prediction model Risk Of Bias ASsessment Tool (PROBAST) using a short form: high risk of bias models show poorer discrimination
Quality control and removal of technical variation of NMR metabolic biomarker data in ~120,000 UK Biobank participants
Levels of SARS-CoV-2 population exposure are considerably higher than suggested by seroprevalence surveys
Cervical cancer screening uptake in Sub-Saharan Africa: a systematic review and meta-analysis
Humoral and cell-mediated response in colostrum after exposure to severe acute respiratory syndrome coronavirus 2
Adaptive hearing aid benefit in children with mild/moderate hearing loss: A registered, double-blind, randomized clinical trial
Consensus on COVID-19 vaccination in pediatric oncohematological patients, on behalf of infectious working group of Italian Association of Pediatric Hematology Oncology
PBPK-led guidance for cystic fibrosis patients taking elexacaftor-tezacaftor-ivacaftor with nirmatrelvir-ritonavir for the treatment of COVID-19
Stochastic social behavior coupled to COVID-19 dynamics leads to waves, plateaus and an endemic state
Risk quantification for SARS-CoV-2 infection through airborne transmission in university settings
Rapid-CNS2: Rapid comprehensive adaptive nanopore-sequencing of CNS tumors, a proof of concept study
Talking on handsfree and handheld cellphones while driving in association with handheld phone bans.
Elucidating the genetic architecture of DNA methylation to identify promising molecular mechanisms of disease