Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Prevalence of SARS-CoV-2 antibodies among workers of the public higher education institutions of Porto, Portugal
Is the Association Between Smoking and Depression Mediated by Inflammation? A Mendelian Randomization Study.
Did the COVID-19 pandemic result in more family physicians stopping practice? Results from Ontario, Canada
COVID-19 vaccination breakthrough infections in a real-world setting: Using community reporters to evaluate vaccine effectiveness
CSF and PET biomarkers for noradrenergic dysfunction in neurodegenerative diseases: a systematic review and meta-analysis
GestaltMatcher: Overcoming the limits of rare disease matching using facial phenotypic descriptors
Establishing consensus on emergency department interventions that could be conducted in sub-acute care settings for non-emergent paramedic transported visits: A RAND/UCLA modified Delphi study
Uncovering Survivorship Bias in Longitudinal Mental Health Surveys
Prediction of type 1 diabetes at birth: cord blood metabolites versus genetic risk score in the MoBa cohort.
Contact tracing indicators for COVID-19: rapid scoping review and conceptual framework
SARS-CoV-2 lineage dynamics in England from January to March 2021 inferred from representative community samples
Environmental surveillance for Salmonella Typhi as a tool to estimate the incidence of typhoid fever in low-income populations
Quantifying within-school SARS-CoV-2 transmission and the impact of lateral flow testing in secondary schools in England
Improving postpartum hemorrhage risk prediction using longitudinal electronic medical records
How are declarations of interest working? A cross sectional study in declarations of interest in medical practice in Scotland and England in 2020/2021
Cerebrovascular Response to an Acute Bout of Short Interval High Intensity Interval Exercise and Recovery in Healthy Adults
Analysis of 200,000 exome-sequenced UK Biobank subjects implicates genes involved in increased and decreased risk of hypertension
Individual-level and neighborhood-level factors associated with longitudinal changes in cardiometabolic measures in participants of a care coordination program
Digitizing Non-Invasive Neuromodulation Trials: Scoping Review, Process Mapping, and Recommendations from a Delphi Panel
Public Search Interests related to COVID-19: Insights from Google Search Trends in Bangladesh
TSABL: Trait Specific Annotation Based Locus Predictor
Radiographic Imaging of Power Injectable Medical Access Ports as a Supplemental Identification Tool
Development and validation of multivariable prediction models for adverse COVID-19 outcomes in IBD patients
Exploring Patient and Staff Experiences of Video Consultations During COVID-19 in an English Outpatient Care Setting: Secondary Data Analysis of Routinely Collected Feedback Data
Evaluation of a surrogate virus neutralization test for high-throughput serosurveillance of SARS-CoV-2
Data-driven analysis shows robust links between fatigue and depression in early multiple sclerosis