Instruct: Identify the main category of the given medRxiv paper based on the title.
Query: Association between COVID-19 mortality and population level health and socioeconomic indicators
Time-Varying Mortality Risk Suggests Increased Impact of Thrombosis in Hospitalized Covid-19 Patients
The effects of skin pigmentation on the accuracy of pulse oximetry in measuring oxygen saturation: a systematic review and meta-analysis
PD-1highCXCR5-CD4+ Peripheral Helper T (Tph) cells Promote Tissue-Homing Plasmablasts in COVID-19
Development and validation of multivariable machine learning algorithms to predict risk of cancer in symptomatic patients referred urgently from primary care
Implementation of a multi-modal training program for the management of comorbid mental disorders in drug and alcohol settings: Pathways to Comorbidity Care (PCC)
Nature prescriptions: a scoping review with a nested meta-analysis
Risk factors for long COVID: analyses of 10 longitudinal studies and electronic health records in the UK
Diabetes risk score in Qatar: Model development, validation, and external validation of several models.
Infected surfaces as a source of transmissible material in healthcare settings dealing with COVID 19 patients
Timing is everything: the relationship between COVID outcomes and the date at which mask mandates are relaxed
Using Digital Humanities for Understanding COVID-19: Lessons from Digital History about earlier Coronavirus Pandemic
Perceptions and acceptance of COVID-19 vaccine among pregnant and lactating women in Singapore: A cross-sectional study
rECHOmmend: an ECG-based machine-learning approach for identifying patients at high-risk of undiagnosed structural heart disease detectable by echocardiography
Integration of molecular inflammatory interactome analyses reveals dynamics of circulating cytokines and extracellular vesicle long non-coding RNAs and mRNAs in heroin addicts during acute and protracted withdrawal
Barrier gesture relaxation during vaccination campaign in France: modelling impact of waning immunity
Effectiveness of Non-Pharmaceutical Interventions on Child and Staff COVID-19 Cases in US Summer Camps
Automatic Identification of Tinnitus Malingering Based on Overt and Covert Behavioral Responses During Psychoacoustic Testing
Sales of over-the-counter products containing codeine in 31 countries, 2013-2019: a retrospective observational study
Is Netrin-1 Associated with the Development of Fibrosis in Systemic Sclerosis?
Mild cognitive impairment is not a valid concept and should be replaced by a more restrictive, biologically validated class, named Mild Cognitive Dysfunctions (MCD): a nomothetic network approach.
Effect of COVID-19 on inequalities in premature mortality in England: an analysis of excess mortality by deprivation and ethnicity
Cause-specific student absenteeism monitoring in K-12 schools for detection of increased influenza activity in the surrounding community - Dane County, Wisconsin, 2014-2020
On mobility trends analysis of COVID-19 dissemination in Mexico City
The Challenges for Screening and Diagnosing Gestational Diabetes Mellitus in Brazil: a cross-sectional study in a low-risk obstetric hospital.
Serum Oxidative Stress Markers in Women with Uterine Fibroids in Lagos, Nigeria.