Instruct: Identify the main category of a Medrxiv paper based on its title.
Query: Anemia prior to or during COVID-19 is a risk factor for rehospitalization after SARS-CoV-2 clearance
Safety and immunogenicity of a recombinant DNA COVID-19 vaccine containing the coding regions of the spike and nucleocapsid proteins: Preliminary results from an open-label, phase 1 trial in healthy adults aged 19-55 years
Deep learning for caries detection using optical coherence tomography
Effect of cannabis liberalization on suicide and mental illness following recreational access: a state-level longitudinal analysis in the USA
Unsupervised clustering reveals a unique Treg profile in slow progressors to type 1 diabetes
Identifying opportunities for improving the organ supply through race-stratified data
Functional dependence of COVID-19 growth rate on lockdown conditions and rate of vaccination.
CTKG: A Knowledge Graph for Clinical Trials
A Pattern Recognition Diagnostic Model to Restore and Emulate Knee Mobility
A molecular surveillance-guided vector control response to concurrent dengue and West Nile virus outbreaks in a COVID-19 hotspot of Florida
Computational modelling of EEG and fMRI paradigms reveals a consistent loss of pyramidal cell synaptic gain in schizophrenia
Impact of a Population-based Systems Approach on Evidence-based Care for Medicaid-insured Pregnant and Postpartum Women: A Quasi-Experimental Study
A decade of Acceptability Research with Adolescents in Africa: Systematic review and evidence map
Axes of Prognosis: Identifying Subtypes of COVID-19 Outcomes
SYSTEMATIC REVIEW EXPLORING THE IMPACT OF SOCIO-CULTURAL FACTORS ON PAIN MANAGEMENT APPROACHES IN SUB- SAHARAN AFRICA
Detection of HIV and Mycobacterium tuberculosis among University Students in Port Harcourt, Nigeria
Cumulative incidence of SARS-CoV-2 infection and associated risk factors among frontline health care workers in Paris, France: the SEROCOV prospective cohort study
Child protection contact among children of culturally and linguistically diverse backgrounds: a South Australian linked data study
Immunogenicity of the Ad26.CoV2.S vaccine in people living with HIV
Examining the Relationship between COVID-19 Vaccinations and Reported Incidence
Motor Unit Number Index (MUNIX) of the Upper Trapezius: Reliability and Meta-Analysis
Significant Disruptions in the International Incidence of Hepatitis Delta Virus
Modeling the Effect of Population-Wide Vaccination on the Evolution of COVID-19 Epidemic in Canada
Scabies outbreak management in refugee/migrant camps across Europe 2014-17: a retrospective qualitative interview study of healthcare staff experiences and perspectives
Massive social protests amid the pandemic in selected  Colombian  cities:  Did  they increase COVID-19 cases?
Longevity of SARS-CoV-2 immune responses in haemodialysis patients and protection against reinfection