Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: A prospective study of asymptomatic SARS-CoV-2 infection among individuals involved in academic research under limited operations during the COVID-19 pandemic
Massive social protests amid the pandemic in selected  Colombian  cities:  Did  they increase COVID-19 cases?
Markers of immune activation and inflammation in individuals with post-acute sequelae of SARS-CoV-2 infection
Mendelian randomization analysis identified genes pleiotropically associated with central corneal thickness
Comparison and analysis of various complementary diagnosis methods for the current situation and problems of COVID-19 diagnosis
Fundamental limits on inferring epidemic resurgence in real time using effective reproduction numbers
Serum proteome analysis of systemic JIA and related pulmonary alveolar proteinosis identifies distinct inflammatory programs and biomarkers
Assessing the impact of race on glomerular filtration rate (GFR) prediction
Increase in SARS-CoV-2 seroprevalence in healthy blood donors after the second wave of COVID-19 pandemic in South-Eastern Italy: evidence for asymptomatic young individuals as potential virus spreaders
The acceptance of covid-19 vaccines in Sub-Saharan Africa: Evidence from 6 national phone surveys
Quantifying the relationship between sub-population wastewater samples and community-wide SARS-CoV-2 seroprevalence
Epidemiological characteristics of three SARS-CoV-2 variants of concern and implications for future COVID-19 pandemic outcomes
Nursing students' attitudes, knowledge, and willingness to receive the COVID-19 vaccine: A cross-sectional study
Genomic dissection of the bacterial population underlying Klebsiella pneumoniae infections in hospital patients: insights into an opportunistic pathogen
Incidence of Long-term Post-acute Sequelae of SARS-CoV-2 Infection Related to Pain and Other Symptoms: A Living Systematic Review and Meta-analysis
External Validation of a Mobile Clinical Decision Support System for Diarrhea Etiology Prediction in Children: A Multicenter Study in Bangladesh and Mali
Laboratory-Developed Test for SARS-CoV-2 Using Saliva Samples at the University of California, Riverside
Severe bandemia is not associated with increased risk for adverse events in general pediatric emergency department patients
Is chronic pain an affective disorder? Moderation of resting-state functional connectivity within the emotional brain by depressive symptoms
COVID-19 adaptive humoral immunity models: weakly neutralizing versus antibody-disease enhancement scenarios
The 501Y.V2 SARS-CoV-2 variant has an intermediate viral load between the 501Y.V1 and the historical variants in nasopharyngeal samples from newly diagnosed COVID-19 patients
COVID-19 outcomes associated with clinical and demographic characteristics in patients hospitalized with severe and critical disease in Peshawar
The impact of depression diagnosis on diabetes and lifetime hyperglycaemia
Urine metabolome of tuberculosis patients receiving intensive phase of treatment show diurnal variations.
Immediate effect of osteopathic techniques on human resting muscle tone in healthy subjects using myotonometry: A factorial randomized trial
Longitudinal Evaluation of Magnetic Resonance Spectroscopy Metabolites as Biomarkers in Huntingtons Disease