Instruct: Identify the main category of the given Medrxiv paper based on its title.
Query: Risk perception of COVID-19 and its socioeconomic correlates in the United States: A social media analysis
Impact of long-term COVID on workers: a systematic review protocol
REACT-1 study round 14: High and increasing prevalence of SARS-CoV-2 infection among school-aged children during September 2021 and vaccine effectiveness against infection in England
Severe COVID-19 is characterised by inflammation and immature myeloid cells early in disease progression
COVID-19 IN IRAQ, THE RURAL INITIATION (AL-MUTHANNA PROVINCE AS AN EXAMPLE)
Non-invasive Diagnosis of Deep Vein Thrombosis from Ultrasound with Machine Learning
Antibody response to SARS-CoV-2 mRNA vaccine in lung cancer patients: Reactivity to vaccine antigen and variants of concern.
Mathematical Relationship between Effective Reproduction Number Rt and Epidemic Curve of Daily Cases -- Demonstration and Details
Detecting SARS-CoV-2 lineages and mutational load in municipal wastewater; a use-case in the metropolitan area of Thessaloniki, Greece
Estimation of country-specific tuberculosis antibiograms using genomic data
Metabolic Disturbances, Hemoglobin A1c, and Social Cognition Impairment in Schizophrenia Spectrum Disorders
Novel blood test for early biomarkers of preeclampsia and Alzheimer's disease
Mortality and predictors of Chronic Kidney Diseases (CKD) in selected dialysis centers in Addis Ababa, Ethiopia
Comprehensive assessment of humoral response after Pfizer BNT162b2 mRNA Covid-19 vaccination: a three-case series
SARS-CoV-2 vaccination with CoronaVac: seroconversion rate in healthcare workers after 40 days
Variants in Interferon Lambda are Associated with Infantile-Onset Inflammatory Bowel Disease
Probabilistic inference of the genetic architecture underlying functional enrichment of complex traits
Unhealthy Lifestyle Mediates the Adverse Influence of Childhood Traumas on Acceleration of Aging: Analysis of 110,596 UK Biobank Participants
Test negative designs with uncertainty, sensitivity, and specificity
Effects of testing and vaccination levels on the dynamics of the COVID-19 pandemic and the prospects for its termination
Genetic links in angioimmunoblastic T-cell lymphoma (AITL), clonal hematopoiesis and concomitant hematologic malignancies provide insights into the cell of origin, etiology and biomarker discovery for AITL
Third BNT162b2 vaccination neutralization of SARS-CoV-2 Omicron infection
Statistical Analysis Plan for the Helmet Non-Invasive Ventilation for COVID-19 Patients (Helmet-COVID) Randomized Controlled Trial
The contributions of cartilage endplate composition and vertebral bone marrow fat to intervertebral disc degeneration in patients with chronic low back pain
SARS-CoV-2 variants of concern Alpha and Delta show increased viral load in saliva
Clinical presentation, disease course and outcome of COVID-19 in hospitalized patients with and without pre-existing cardiac disease: a cohort study across eighteen countries