Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: A booster dose of an inactivated SARS-CoV-2 vaccine increases neutralizing antibodies and T cells that recognize Delta and Omicron variants of concern
Slight increase in fomite route transmission risk of SARS-CoV-2 Omicron variant compared with the ancestral strain in households
Re-contacting biobank participants: lessons from a pilot study within FinnGen
Kinetics of immune responses to the AZD1222/Covishield vaccine with varying dose intervals in Sri Lankan individuals
Rapid, widespread, and preferential increase of SARS-CoV-2 B.1.1.7 variant in Houston, TX, revealed by 8,857 genome sequences
Widening Disparities in Online Information Access during the COVID-19 Pandemic
Severe and common mental disorders and risk of hospital admissions for Ambulatory Care Sensitive Conditions (ACSCs): prospective cohort study using UK Biobank
Incidence of delirium in an acute geriatric community hospital: an exploratory analysis of an observational cohort study controlled with a meta-analysis of incidences from literature.
Working from home due to the COVID-19 pandemic abolished the sleep disturbance vulnerability of late chronotypes relieving their predisposition to depression
Global diversity of policy, coverage, and demand of COVID-19 vaccines: a descriptive study
Change in Plasma Alpha-Tocopherol Associations with Attenuated Pulmonary Function Decline and with CYP4F2 Missense Variation
A claims-based score for the prediction of bleeding in a contemporary cohort of patients receiving oral anticoagulation for venous thromboembolism
'It all ends too soon' - Exploring stroke survivors and physiotherapists perspectives on stroke rehabilitation and the role of technology for promoting access to rehabilitation in the community
Comparison of Pandemic Intervention Policies in Several Building Types Using Heterogeneous Population Model
Longitudinal Changes in Functional Connectivity in Antipsychotic-treated and Antipsychotic-naive Patients with First Episode Psychosis
Adults' self-reported barriers and enablers to riding a bike for transport: a systematic review
Drug Repurposing of potential drug targets for treatment of COVID-19
Discovery of Neurocognitive Phenotypes of Autism By Analyzing Functional Connectivity in the Default Mode Network and Dorsolateral Prefrontal Cortex
LUCAS: A highly accurate yet simple risk calculator that predicts survival of COVID-19 patients using rapid routine tests
Effectiveness of non-pharmaceutical measures (NPIs) on COVID-19 in Europe: A systematic literature review
USA Winter 2021 CoVID-19 Resurgence Post-Christmas Update
Distribution of 54 polygenic risk scores for common diseases in long lived individuals and their offspring
Large-scale seroepidemiology identifies a nephro-vascular syndrome associated with autoimmune reactivity to tau
The mental health impact of COVID-19 racial and ethnic discrimination against Asian American and Pacific Islanders
An alternative approach for bioanalytical assay development for wastewater-based epidemiology of SARS-CoV-2
Epicardial adipose tissue thickness is associated with increased severity and mortality related to SARS-CoV-2 infection