Instruct: Identify the main category of the given Medrxiv paper based on the title.
Query: Detection of SARS-CoV-2 nucleocapsid antigen from serum can aid in timing of COVID-19 infection
Evaluation of seven different rapid methods for nucleic acid detection of SARS-COV-2 virus
Composite trait Mendelian Randomization reveals distinct metabolic and lifestyle consequences of differences in body shape
Susceptibility and risk of suffering SARS-COV-2 infection by demographic characteristics and pre-existing medical conditions among middle-aged and older adults in Tarragona, Spain: results from the COVID19 TARRACO Cohort Study, March-June 2020
Mapping the human genetic architecture of COVID-19 by worldwide meta-analysis
Impacts of COVID-19 on long-term health and health care use
The NILS study protocol - a retrospective validation study of a preoperative decision-making tool for non-invasive lymph node staging in women with primary breast cancer .
ASSESSING VACCINATION STRATEGIES FOR THE COVID-19 EPIDEMIC IN MINAS GERAIS (BRAZIL)
Genetic risk score for intracranial aneurysms to predict aneurysmal subarachnoid hemorrhage and identify associations with patient characteristics
Effects of recreational sports and combined training on blood pressure and glycosylated hemoglobin in middle-aged and older adults: a systematic review and meta-analysis
A re-examination of the impact of COVD-19 deaths on the computation of average life expectancy
Sero-surveillance for IgG to SARS-CoV-2 at antenatal care clinics in two Kenyan referral hospitals
Characterizing features of outbreak duration for novel SARS-CoV-2 variants of concern
Wound Complications Following Surgery to the Lymph Nodes: A protocol for a systematic review and meta-analysis
Effects of diet, activities, environmental exposures and trimethylamine metabolism on alveolar breath compounds: protocol for a retrospective case-cohort observational study
Emergency department utilization and hospitalizations for ambulatory care sensitive conditions among unattached people actively seeking a primary care provider during the COVID-19 pandemic: a retrospective cohort study
Understanding social and environmental factors and their contribution mechanisms to HIV transmission among heterosexual men in Indonesia
Comparison of Phase Angle Using Bioelectrical Impedance Analysis According to Device Type and Examination Posture
Dopamine transporter in obesity: a meta-analysis
Cohort-based surveillance of SARS-CoV2 transmission mirrors infection rates at the population level: a one-year longitudinal study
Autoantibodies against nephrin elucidate a novel autoimmune phenomenon in proteinuric kidney disease
Actions for fostering cross-disciplinary global health research
Hospitalizations for emergency-sensitive conditions in Germany during the Covid-19 pandemic - Insights from the German-wide Helios hospital network
The Epidemiological Implications of Incarceration Dynamics in Jails for Community, Corrections Officer, and Incarcerated Population Risks from COVID-19
Assessing the potential impact of immunity waning on the dynamics of COVID-19: an endemic model of COVID-19
Clinical impact of the rapid molecular detection of RSV and influenza A and B virus in the emergency room