Instruct: Identify the main category of the given medRxiv paper based on its title.
Query: Epidemiology of post-COVID syndrome following hospitalisation with coronavirus: a retrospective cohort study
BODY MASS INDEX TRAJECTORY BEFORE DEATH IN COMMUNITY-DWELLING OLDER ADULTS. POPULATION-BASED COHORT STUDY
More complaints than findings - Long-term pulmonary function in children and adolescents after COVID-19
Rapid antifouling nanocomposite coating enables highly sensitive multiplexed electrochemical detection of myocardial infarction and concussion markers
Choroid plexus volume predicts expansion of chronic lesions and brain atrophy
Scabies epidemiology in health care centers for refugees and asylum seekers in Greece
Machine Learning in the analysis of lethality and evolution of infection by the SARS-CoV-2 virus (COVID-19) in workers of the Mexico City Metro
Oral Cancer Prevalence, Mortality, and Costs in Medicaid and Commercial Insurance Claims Data
Water, Sanitation, and Women's Empowerment: A systematic review and qualitative metasynthesis
An artificial intelligence system for predicting mortality in COVID-19 patients using chest X-rays: a retrospective study
Covid-19 does not look like what you are looking for: clustering symptoms by nation and multi- morbidities reveal substantial differences to the classical symptom triad
Clinical Characteristics and Outcomes of Critically ill Mechanically Ventilated COVID-19 Patients Receiving interleukin-6 Receptor Antagonists and Corticosteroid Therapy: A Multicenter International Observational Study
Combined prenatal Lactobacillus reuteri and ω-3 supplementation synergistically modulates DNA methylation in neonatal T helper cells
Altered gene expression and PTSD symptom dimensions in World Trade Center responders
REGEN-COV Antibody Cocktail Clinical Outcomes Study in Covid-19 Outpatients
Long COVID In Adults at 12 Months After Mild-to-Moderate SARS-CoV-2 Infection
A cross-sectional study of socioeconomic status and treatment interruption among Japanese workers during the COVID-19 pandemic
Single-cell analysis of the epigenomic and transcriptional landscape of innate immunity to seasonal and adjuvanted pandemic influenza vaccination in humans
Gulf War veterans exhibit broadband sleep EEG power reductions in regions overlying the frontal lobe
Genomic surveillance of SARS-CoV-2 in the Bronx enables clinical and epidemiological inference
Cov2clusters: genomic clustering of SARS-CoV-2 sequences
Weakly supervised and transfer learning for adenocarcinoma classification in transurethral resection of the prostate whole slide images
Soft drinks can be misused to give false false positive SARS-CoV-2 lateral flow device results
Pride and adversity among nurses and physicians during the pandemic in two US healthcare systems: a mixed methods analysis
Anti-nucleocapsid antibodies following SARS-CoV-2 infection in the blinded phase of the mRNA-1273 Covid-19 vaccine efficacy clinical trial
Quantifying post-vaccination protective anti-SARS-CoV-2 IgG antibodies in blood and saliva with a fully automated, high throughput digital immunoassay