Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Antibody longevity and cross-neutralizing activity following SARS-CoV-2 wave 1 and B.1.1.7 infections
A Systematic Review of Human Challenge Trials, Designs, and Safety
Engagement with daily testing instead of self-isolating in contacts of confirmed cases of SARS-CoV-2.
Half the picture: Word frequencies reveal racial differences in clinical documentation, but not their causes
Serum miRNA-based signature indicates radiation exposure and dose in humans: a multicenter diagnostic biomarker study
Genetically determined serum testosterone level and Covid-19 illness level: A mendelian randomization study
Systematic review and meta-analysis of the prevalence of coronavirus in the world: One health approach is urgent
Potential Association of Mitochondrial Haplogroups and A8860G Mutation with Breast Cancer Risk
Modeling Clinical Trial Attrition Using Machine Intelligence: A driver analytics case study using 1,325 trials representing one million patients
Computational systematics of nutritional support of vaccination against viral and bacterial pathogens as prolegomena to vaccinations against COVID-19
Environmental Exposure to Respirable Particles and Estimated Risk of Sarcoidosis: A systematic Review and Meta-Analysis
Phylogenomics, Epigenomics, Virulome, and Mobilome of Gram-negative Bacteria Co-resistant to Carbapenems and Polymyxins: A One-Health Systematic Review and Meta-analyses
The King's College London Coronavirus Health and Experiences of Colleagues at King's Study: SARS-CoV-2 antibody response in a higher education sample
Strengthening health systems capacity for pre-exposure Prophylaxis for adolescent girls and young women and adolescent boys and young men in South Africa (SHeS'Cap - PrEP): Protocol for a mixed methods study in KwaZulu-Natal, South Africa
Meta-Analysis of Risk of Vaccine-Induced Immune Thrombotic Thrombocytopenia Following ChAdOx1-S Recombinant Vaccine
COVID-19-Associated Hospitalizations Among Children Less Than 12 Years of Age in the United States
Non-pharmaceutical interventions, vaccination and the Delta variant: epidemiological insights from modelling England's COVID-19 roadmap out of lockdown
Quantifying the ongoing epidemic of disability after covid-19 in the UK population aged under 35 years; secondary analysis of the ONS Infection Survey
Cellular composition of human early and advanced coronary atherosclerotic lesions
Electrophysiological correlates of thalamocortical function in acute severe traumatic brain injury
Background incidence rates of adverse events of special interest related to COVID-19 vaccines in Ontario, Canada, 2015 to 2020, to inform COVID-19 vaccine safety surveillance
A normative model representing autistic individuals amidst Autism Spectrum Disorders phenotypic heterogeneity
Timing is everything: the relationship between COVID outcomes and the date at which mask mandates are relaxed
Post-peak dynamics of a national Omicron SARS-CoV-2 epidemic during January 2022
Developing a deep learning system to drive the work of the critical care outreach team
HeAlth System StrEngThening in four sub_Saharan African countries (ASSET) to achieve high-quality, evidence-informed surgical, maternal and newborn, and primary care: protocol for pre-implementation phase studies