Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Neutralising antibody activity against SARS-CoV-2 variants, including Omicron, in an elderly cohort vaccinated with BNT162b2
Accuracy of Rapid Antigen Testing across SARS-CoV-2 Variants
Unique plasma metabolite signature for adolescents with Klinefelter syndrome reveals altered fatty acid metabolism
Risk Factors for Low Humoral Response to BNT-162b2 In Hemodialysis Patients
Biomarker-guided neuromodulation aids memory in traumatic brain injury
Potential contribution of climate conditions on COVID-19 pandemic transmission over West and North African countries
Using Mendelian randomisation to explore the gateway hypothesis: Possible causal effects of smoking initiation and alcohol consumption on substance use outcomes
Asymptomatic SARS-CoV-2 infection by age: A systematic review and meta-analysis
Vascular Comorbidities Worsen Prognosis of Patients with Heart Failure Hospitalized with COVID-19
Primary Care for Homeless Veterans: A Systematic Review of the Homeless Patient Aligned Care Team (HPACT)
Pandemic-EBT and grab-and-go school Meals: Costs, reach, and benefits of two approaches to keep children fed during school closures due to COVID-19
Precision of Mammogram and USG based evaluation of NAST response in breast cancer and its impact on oncoplastic surgery decisions
Estimating the SARS-CoV-2 infected population fraction and the infection to-fatality ratio: A data-driven case study based on Swedish time series data
Decision curve analysis to identify optimal candidates of liver resection for intermediate-stage hepatocellular carcinoma with hepatitis B cirrhosis：A cohort study
The SARS-CoV-2 infection among students in the University of Porto: a cross-sectional study
Comprehensive assessment of Age-Specific Mortality Rate and its incremental changes using a composite measure: A sub-national analysis of rural Indian women
A prospective study of asymptomatic SARS-CoV-2 infection among individuals involved in academic research under limited operations during the COVID-19 pandemic
PERFORMANCE OF αSYNUCLEIN RT-QUIC IN RELATION TO NEUROPATHOLOGICAL STAGING OF LEWY BODY DISEASE
Association between long working hours and psychological distress: The effect of sick leave criteria in the workplace during the COVID-19 pandemic
The prevalence of adaptive immunity to COVID-19 and reinfection after recovery, a comprehensive systematic review and meta-analysis
Adjunctive Ketamine for Sedation in Critically Ill Mechanically Ventilated Patients: An Active-Controlled, Pilot, Feasibility Clinical Trial
Intentions and willingness to engage in risky driving behaviour among high school adolescents: evaluating the bstreetsmart road safety program
Strengthening vaccination delivery system resilience in the context of protracted humanitarian crisis: a realist-informed systematic review
Factors influencing focused practice: A qualitative study resident and early-career family physician practice choices
Increased household transmission and immune escape of the SARS-CoV-2 Omicron variant compared to the Delta variant: evidence from Norwegian contact tracing and vaccination data
Medical brain drain from Western Balkan and Croatia to Germany and Austria: an approach to the digital demography